diff --git a/GameOfLife/GameOfLife.csproj b/GameOfLife/GameOfLife.csproj
index 7b05c62..c1f01fb 100644
--- a/GameOfLife/GameOfLife.csproj
+++ b/GameOfLife/GameOfLife.csproj
@@ -2,8 +2,17 @@
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net5.0-windows</TargetFramework>
     <UseWindowsForms>true</UseWindowsForms>
+    <StartupObject>GameOfLife.Program</StartupObject>
   </PropertyGroup>
 
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
+    <PlatformTarget>x64</PlatformTarget>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="unvell.D2DLib-x64" Version="1.3.1" />
+  </ItemGroup>
+
 </Project>
\ No newline at end of file
diff --git a/GameOfLife/MainForm.Designer.cs b/GameOfLife/MainForm.Designer.cs
index 0aab3aa..c8b5237 100644
--- a/GameOfLife/MainForm.Designer.cs
+++ b/GameOfLife/MainForm.Designer.cs
@@ -44,7 +44,6 @@ namespace GameOfLife
             this.Name = "MainForm";
             this.StartPosition = System.Windows.Forms.FormStartPosition.Manual;
             this.Load += new System.EventHandler(this.MainForm_Load);
-            this.Paint += new System.Windows.Forms.PaintEventHandler(this.MainForm_Paint);
             this.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.MainForm_KeyPress);
             this.MouseClick += new System.Windows.Forms.MouseEventHandler(this.MainForm_MouseClick);
             this.MouseMove += new System.Windows.Forms.MouseEventHandler(this.MainForm_MouseMove);
diff --git a/GameOfLife/MainForm.cs b/GameOfLife/MainForm.cs
index 97528bd..82d2a11 100644
--- a/GameOfLife/MainForm.cs
+++ b/GameOfLife/MainForm.cs
@@ -1,16 +1,18 @@
-using System;
-using System.Collections.Generic;
+using Microsoft.Win32;
+using System;
 using System.Drawing;
+using System.Runtime.InteropServices;
 using System.Windows.Forms;
+using unvell.D2DLib;
+using unvell.D2DLib.WinForm;
 
 namespace GameOfLife
 {
-    public partial class MainForm : Form
+    public partial class MainForm : D2DForm
     {
         private Point mouseLocation;
 
         private bool[,] newCells;
-        private bool[,] toggleCells;
         private bool[,] oldCells;
 
         private Random random;
@@ -19,28 +21,125 @@ namespace GameOfLife
 
         private int magicCells = 0;
 
-        private double density = 0.35;
+        private double density = 0.5;
 
-        private int interval = 500;
+        private int interval = 100;
+        
+        // TODO color
+        //private int color;
 
-        public MainForm(Rectangle bounds)
+        private D2DRect boundsRect;
+
+        private D2DRect cellRect;
+
+        private int maxX;
+
+        private int maxY;
+
+        private int firstX;
+        private int lastX;
+        private int firstY;
+        private int lastY;
+
+        private bool previewMode;
+
+        [DllImport("user32.dll")]
+        static extern IntPtr SetParent(IntPtr hWndChild, IntPtr hWndNewParent);
+
+        [DllImport("user32.dll")]
+        static extern int SetWindowLong(IntPtr hWnd, int nIndex, IntPtr dwNewLong);
+
+        [DllImport("user32.dll", SetLastError = true)]
+        static extern int GetWindowLong(IntPtr hWnd, int nIndex);
+
+        [DllImport("user32.dll")]
+        static extern bool GetClientRect(IntPtr hWnd, out Rectangle lpRect);
+
+
+        private void LoadSettings()
         {
-            InitializeComponent();
-            random = new Random();
+            RegistryKey key = Registry.CurrentUser.OpenSubKey("SOFTWARE\\TheoryOfNekomata\\WindowsScreensavers\\GameOfLife");
+            var retrievedGridSize = 3;
+            var retrievedSpores = 0;
+            int retrievedDensity = 50;
+            var retrievedInterval = 250;
+            var gridSizes = new int[] { 1, 2, 4, 8 };
+
+            if (key != null)
+            {
+                retrievedGridSize = (int)key.GetValue("GridSizeIndex", 3);
+                retrievedSpores = (int)key.GetValue("Spores", 0);
+                retrievedDensity = (int)key.GetValue("DensityPercentage", 50);
+                retrievedInterval = (int)key.GetValue("IntervalMs", 250);
+            }
+
+            gridSize = gridSizes[retrievedGridSize];
+            magicCells = retrievedSpores;
+            density = ((double)retrievedDensity) / 100.0;
+            interval = retrievedInterval;
+        }
+
+        private void SetBounds(Rectangle bounds) {
             Bounds = bounds;
-            newCells = new bool[bounds.Width / gridSize, bounds.Height / gridSize];
-            toggleCells = new bool[bounds.Width / gridSize, bounds.Height / gridSize];
-            oldCells = new bool[bounds.Width / gridSize, bounds.Height / gridSize];
+            boundsRect = new D2DRect(Bounds.Left, Bounds.Top, Bounds.Width, Bounds.Height);
+        }
+
+        private void RandomizeCells() {
+            random = new Random();
+
+            maxX = Bounds.Width / gridSize;
+            maxY = Bounds.Height / gridSize;
+
+            newCells = new bool[maxX, maxY];
+            oldCells = new bool[maxX, maxY];
+
+            firstX = oldCells.GetLowerBound(0);
+            lastX = oldCells.GetUpperBound(0);
+            firstY = oldCells.GetLowerBound(1);
+            lastY = oldCells.GetUpperBound(1);
 
-            for (var x = 0; x < newCells.GetLength(0); x++) {
-                for (var y = 0; y < newCells.GetLength(1); y++) {
+            for (var x = 0; x < maxX; x++)
+            {
+                for (var y = 0; y < maxY; y++)
+                {
                     newCells[x, y] = random.NextDouble() <= density;
                     oldCells[x, y] = false;
-                    toggleCells[x, y] = true;
                 }
             }
         }
 
+        public MainForm(Rectangle bounds)
+        {
+            LoadSettings();
+            InitializeComponent();
+            SetBounds(bounds);
+            RandomizeCells();
+        }
+
+        public MainForm(IntPtr PreviewWndHandle)
+        {
+            LoadSettings();
+            gridSize = 1;
+            magicCells = 0;
+            density = 0.5;
+            InitializeComponent();
+            // Set the preview window as the parent of this window
+            SetParent(this.Handle, PreviewWndHandle);
+
+            // Make this a child window so it will close when the parent dialog closes
+            // GWL_STYLE = -16, WS_CHILD = 0x40000000
+            SetWindowLong(this.Handle, -16, new IntPtr(GetWindowLong(this.Handle, -16) | 0x40000000));
+
+            // Place our window inside the parent
+            Rectangle ParentRect;
+            GetClientRect(PreviewWndHandle, out ParentRect);
+            Size = ParentRect.Size;
+            Location = new Point(0, 0);
+            RandomizeCells();
+            previewMode = true;
+        }
+
+
         private void MainForm_Load(object sender, EventArgs e)
         {
             Cursor.Hide();
@@ -53,64 +152,74 @@ namespace GameOfLife
 
         private void MainForm_MouseMove(object sender, MouseEventArgs e)
         {
-            if (!mouseLocation.IsEmpty)
+            if (!previewMode)
             {
-                // Terminate if mouse is moved a significant distance
-                if (Math.Abs(mouseLocation.X - e.X) > 5 ||
-                    Math.Abs(mouseLocation.Y - e.Y) > 5)
-                    Application.Exit();
-            }
-
-            // Update current mouse location
-            mouseLocation = e.Location;
+                if (!mouseLocation.IsEmpty)
+                {
+                    // Terminate if mouse is moved a significant distance
+                    if (Math.Abs(mouseLocation.X - e.X) > 5 ||
+                        Math.Abs(mouseLocation.Y - e.Y) > 5)
+                        Application.Exit();
+                }
 
+                // Update current mouse location
+                mouseLocation = e.Location;
+            }
         }
 
         private void MainForm_MouseClick(object sender, MouseEventArgs e)
         {
-            Application.Exit();
+
+            if (!previewMode)
+            {
+                Application.Exit();
+            }
         }
 
         private void MainForm_KeyPress(object sender, KeyPressEventArgs e)
         {
-            Application.Exit();
+
+            if (!previewMode)
+            {
+                Application.Exit();
+            }
         }
 
-        private int GetAliveNeighbors(bool[,] cells, int x, int y) {
-            int prevX = x == cells.GetLowerBound(0) ? cells.GetUpperBound(0) : x - 1;
-            int nextX = x == cells.GetUpperBound(0) ? cells.GetLowerBound(0) : x + 1;
-            int prevY = y == cells.GetLowerBound(1) ? cells.GetUpperBound(1) : y - 1;
-            int nextY = y == cells.GetUpperBound(1) ? cells.GetLowerBound(1) : y + 1;
+        private int GetAliveNeighbors(int x, int y) {
+            int prevX = x == firstX ? lastX : x - 1;
+            int nextX = x == lastX ? firstX : x + 1;
+            int prevY = y == firstY ? lastY : y - 1;
+            int nextY = y == lastY ? firstY : y + 1;
 
             int aliveNeighbors = 0;
-            if (cells[prevX, prevY]) {
+            if (oldCells[prevX, prevY]) {
                 aliveNeighbors += 1;
             }
-            if (cells[x, prevY])
+            if (oldCells[x, prevY])
             {
                 aliveNeighbors += 1;
             }
-            if (cells[nextX, prevY])
+            if (oldCells[nextX, prevY])
             {
                 aliveNeighbors += 1;
             }
-            if (cells[prevX, y])
+            if (oldCells[prevX, y])
             {
                 aliveNeighbors += 1;
             }
-            if (cells[nextX, y])
+            if (oldCells[nextX, y])
             {
                 aliveNeighbors += 1;
             }
-            if (cells[prevX, nextY])
+            if (oldCells[prevX, nextY])
             {
                 aliveNeighbors += 1;
             }
-            if (cells[x, nextY])
+            if (oldCells[x, nextY])
             {
                 aliveNeighbors += 1;
             }
-            if (cells[nextX, nextY])
+            if (oldCells[nextX, nextY])
             {
                 aliveNeighbors += 1;
             }
@@ -130,7 +239,7 @@ namespace GameOfLife
             {
                 for (var y = 0; y < newCells.GetLength(1); y++)
                 {
-                    int neighbors = GetAliveNeighbors(oldCells, x, y);
+                    int neighbors = GetAliveNeighbors(x, y);
                     bool shouldLive = false;
                     if (oldCells[x, y] && neighbors == 2)
                     {
@@ -140,7 +249,6 @@ namespace GameOfLife
                     }
 
                     newCells[x, y] = shouldLive;
-                    toggleCells[x, y] = oldCells[x, y] == newCells[x, y];
                 }
             }
 
@@ -149,41 +257,25 @@ namespace GameOfLife
                 int magicY = random.Next(0, newCells.GetUpperBound(1));
 
                 newCells[magicX, magicY] = true;
-                toggleCells[magicX, magicY] = oldCells[magicX, magicY] == newCells[magicX, magicY];
             }
-
-            Redraw(CreateGraphics());
+            Refresh();
         }
 
-        private void Redraw(Graphics graphics) {
-            List<Rectangle> liveCells = new List<Rectangle>();
-            List<Rectangle> deadCells = new List<Rectangle>();
+        protected override void OnRender(D2DGraphics graphics)
+        {
+            graphics.FillRectangle(boundsRect, D2DColor.White);
 
             for (var x = 0; x < newCells.GetLength(0); x++)
             {
                 for (var y = 0; y < newCells.GetLength(1); y++)
                 {
-                    if (newCells[x, y])
+                    if (!newCells[x, y])
                     {
-                        liveCells.Add(new Rectangle(x * gridSize, y * gridSize, gridSize, gridSize));
+                        cellRect = new D2DRect(x * gridSize, y * gridSize, gridSize, gridSize);
+                        graphics.FillRectangle(cellRect, D2DColor.Black);
                     }
-                    else {
-                        deadCells.Add(new Rectangle(x * gridSize, y * gridSize, gridSize, gridSize));
-                    }
-                    //else if (!newCells[x, y]) {
-                    //    graphics.FillRectangle(Brushes.Black, x * gridSize, y * gridSize, gridSize, gridSize);
-                    //}
                 }
             }
-
-            graphics.FillRectangle(Brushes.Black, Bounds);
-            //graphics.FillRectangles(Brushes.Black, deadCells.ToArray());
-            graphics.FillRectangles(Brushes.White, liveCells.ToArray());
-        }
-
-        private void MainForm_Paint(object sender, PaintEventArgs e)
-        {
-            Redraw(e.Graphics);
         }
     }
 }
diff --git a/GameOfLife/Program.cs b/GameOfLife/Program.cs
index ed16915..5512d95 100644
--- a/GameOfLife/Program.cs
+++ b/GameOfLife/Program.cs
@@ -1,7 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
 using System.Windows.Forms;
 
 namespace GameOfLife
@@ -35,11 +32,19 @@ namespace GameOfLife
 
                 if (firstArgument == "/c")           // Configuration mode
                 {
-                    // TODO
+                    Application.Run(new SettingsForm());
                 }
                 else if (firstArgument == "/p")      // Preview mode
                 {
-                    // TODO
+                    if (secondArgument == null)
+                    {
+                        MessageBox.Show("Sorry, but the expected window handle was not provided.",
+                            "ScreenSaver", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
+                        return;
+                    }
+
+                    IntPtr previewWndHandle = new IntPtr(long.Parse(secondArgument));
+                    Application.Run(new MainForm(previewWndHandle));
                 }
                 else if (firstArgument == "/s")      // Full-screen mode
                 {
@@ -55,7 +60,7 @@ namespace GameOfLife
             }
             else    // No arguments - treat like /c
             {
-                // TODO
+                Application.Run(new SettingsForm());
             }
         }
 
diff --git a/GameOfLife/SettingsForm.Designer.cs b/GameOfLife/SettingsForm.Designer.cs
new file mode 100644
index 0000000..160e714
--- /dev/null
+++ b/GameOfLife/SettingsForm.Designer.cs
@@ -0,0 +1,344 @@
+
+namespace GameOfLife
+{
+    partial class SettingsForm
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.ctrlGridSize = new System.Windows.Forms.ComboBox();
+            this.ctrlSpores = new System.Windows.Forms.NumericUpDown();
+            this.ctrlInterval = new System.Windows.Forms.TrackBar();
+            this.ctrlDensity = new System.Windows.Forms.TrackBar();
+            this.lblSpores = new System.Windows.Forms.Label();
+            this.lblGridSize = new System.Windows.Forms.Label();
+            this.grpGridSize = new System.Windows.Forms.GroupBox();
+            this.grpSpores = new System.Windows.Forms.GroupBox();
+            this.grpDensity = new System.Windows.Forms.GroupBox();
+            this.lblDensityValue = new System.Windows.Forms.Label();
+            this.lblDensity = new System.Windows.Forms.Label();
+            this.grpInterval = new System.Windows.Forms.GroupBox();
+            this.lblIntervalValue = new System.Windows.Forms.Label();
+            this.lblInterval = new System.Windows.Forms.Label();
+            this.panelMain = new System.Windows.Forms.TableLayoutPanel();
+            this.panelActions = new System.Windows.Forms.FlowLayoutPanel();
+            this.btnOK = new System.Windows.Forms.Button();
+            this.btnCancel = new System.Windows.Forms.Button();
+            ((System.ComponentModel.ISupportInitialize)(this.ctrlSpores)).BeginInit();
+            ((System.ComponentModel.ISupportInitialize)(this.ctrlInterval)).BeginInit();
+            ((System.ComponentModel.ISupportInitialize)(this.ctrlDensity)).BeginInit();
+            this.grpGridSize.SuspendLayout();
+            this.grpSpores.SuspendLayout();
+            this.grpDensity.SuspendLayout();
+            this.grpInterval.SuspendLayout();
+            this.panelMain.SuspendLayout();
+            this.panelActions.SuspendLayout();
+            this.SuspendLayout();
+            // 
+            // ctrlGridSize
+            // 
+            this.ctrlGridSize.Dock = System.Windows.Forms.DockStyle.Top;
+            this.ctrlGridSize.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
+            this.ctrlGridSize.FormattingEnabled = true;
+            this.ctrlGridSize.Items.AddRange(new object[] {
+            "1",
+            "2",
+            "4",
+            "8"});
+            this.ctrlGridSize.Location = new System.Drawing.Point(8, 70);
+            this.ctrlGridSize.Name = "ctrlGridSize";
+            this.ctrlGridSize.Size = new System.Drawing.Size(177, 23);
+            this.ctrlGridSize.TabIndex = 1;
+            // 
+            // ctrlSpores
+            // 
+            this.ctrlSpores.Dock = System.Windows.Forms.DockStyle.Top;
+            this.ctrlSpores.Location = new System.Drawing.Point(8, 70);
+            this.ctrlSpores.Name = "ctrlSpores";
+            this.ctrlSpores.Size = new System.Drawing.Size(178, 23);
+            this.ctrlSpores.TabIndex = 2;
+            // 
+            // ctrlInterval
+            // 
+            this.ctrlInterval.Dock = System.Windows.Forms.DockStyle.Top;
+            this.ctrlInterval.Location = new System.Drawing.Point(8, 70);
+            this.ctrlInterval.Maximum = 3000;
+            this.ctrlInterval.Minimum = 50;
+            this.ctrlInterval.Name = "ctrlInterval";
+            this.ctrlInterval.Size = new System.Drawing.Size(177, 45);
+            this.ctrlInterval.TabIndex = 3;
+            this.ctrlInterval.TickFrequency = 250;
+            this.ctrlInterval.Value = 250;
+            this.ctrlInterval.Scroll += new System.EventHandler(this.ctrlInterval_Scroll);
+            // 
+            // ctrlDensity
+            // 
+            this.ctrlDensity.Dock = System.Windows.Forms.DockStyle.Top;
+            this.ctrlDensity.Location = new System.Drawing.Point(8, 70);
+            this.ctrlDensity.Maximum = 100;
+            this.ctrlDensity.Name = "ctrlDensity";
+            this.ctrlDensity.Size = new System.Drawing.Size(178, 45);
+            this.ctrlDensity.TabIndex = 4;
+            this.ctrlDensity.TickFrequency = 10;
+            this.ctrlDensity.Value = 50;
+            this.ctrlDensity.Scroll += new System.EventHandler(this.ctrlDensity_Scroll);
+            // 
+            // lblSpores
+            // 
+            this.lblSpores.Dock = System.Windows.Forms.DockStyle.Top;
+            this.lblSpores.Location = new System.Drawing.Point(8, 24);
+            this.lblSpores.Name = "lblSpores";
+            this.lblSpores.Padding = new System.Windows.Forms.Padding(0, 8, 0, 8);
+            this.lblSpores.Size = new System.Drawing.Size(178, 46);
+            this.lblSpores.TabIndex = 5;
+            this.lblSpores.Text = "This sets the count of live cells randomly spawning in the grid.";
+            // 
+            // lblGridSize
+            // 
+            this.lblGridSize.Dock = System.Windows.Forms.DockStyle.Top;
+            this.lblGridSize.Location = new System.Drawing.Point(8, 24);
+            this.lblGridSize.Name = "lblGridSize";
+            this.lblGridSize.Padding = new System.Windows.Forms.Padding(0, 8, 0, 8);
+            this.lblGridSize.Size = new System.Drawing.Size(177, 46);
+            this.lblGridSize.TabIndex = 6;
+            this.lblGridSize.Text = "This is the size of each cell in pixels.";
+            // 
+            // grpGridSize
+            // 
+            this.grpGridSize.AutoSize = true;
+            this.grpGridSize.AutoSizeMode = System.Windows.Forms.AutoSizeMode.GrowAndShrink;
+            this.grpGridSize.Controls.Add(this.ctrlGridSize);
+            this.grpGridSize.Controls.Add(this.lblGridSize);
+            this.grpGridSize.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.grpGridSize.Location = new System.Drawing.Point(8, 8);
+            this.grpGridSize.Margin = new System.Windows.Forms.Padding(8);
+            this.grpGridSize.Name = "grpGridSize";
+            this.grpGridSize.Padding = new System.Windows.Forms.Padding(8);
+            this.grpGridSize.Size = new System.Drawing.Size(193, 146);
+            this.grpGridSize.TabIndex = 7;
+            this.grpGridSize.TabStop = false;
+            this.grpGridSize.Text = "Grid Size";
+            // 
+            // grpSpores
+            // 
+            this.grpSpores.AutoSize = true;
+            this.grpSpores.AutoSizeMode = System.Windows.Forms.AutoSizeMode.GrowAndShrink;
+            this.grpSpores.Controls.Add(this.ctrlSpores);
+            this.grpSpores.Controls.Add(this.lblSpores);
+            this.grpSpores.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.grpSpores.Location = new System.Drawing.Point(217, 170);
+            this.grpSpores.Margin = new System.Windows.Forms.Padding(8);
+            this.grpSpores.Name = "grpSpores";
+            this.grpSpores.Padding = new System.Windows.Forms.Padding(8);
+            this.grpSpores.Size = new System.Drawing.Size(194, 147);
+            this.grpSpores.TabIndex = 8;
+            this.grpSpores.TabStop = false;
+            this.grpSpores.Text = "Spores";
+            // 
+            // grpDensity
+            // 
+            this.grpDensity.AutoSize = true;
+            this.grpDensity.AutoSizeMode = System.Windows.Forms.AutoSizeMode.GrowAndShrink;
+            this.grpDensity.Controls.Add(this.lblDensityValue);
+            this.grpDensity.Controls.Add(this.ctrlDensity);
+            this.grpDensity.Controls.Add(this.lblDensity);
+            this.grpDensity.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.grpDensity.Location = new System.Drawing.Point(217, 8);
+            this.grpDensity.Margin = new System.Windows.Forms.Padding(8);
+            this.grpDensity.Name = "grpDensity";
+            this.grpDensity.Padding = new System.Windows.Forms.Padding(8);
+            this.grpDensity.Size = new System.Drawing.Size(194, 146);
+            this.grpDensity.TabIndex = 9;
+            this.grpDensity.TabStop = false;
+            this.grpDensity.Text = "Density";
+            // 
+            // lblDensityValue
+            // 
+            this.lblDensityValue.Dock = System.Windows.Forms.DockStyle.Top;
+            this.lblDensityValue.Location = new System.Drawing.Point(8, 115);
+            this.lblDensityValue.Name = "lblDensityValue";
+            this.lblDensityValue.Size = new System.Drawing.Size(178, 30);
+            this.lblDensityValue.TabIndex = 6;
+            this.lblDensityValue.Text = "Current Value: 50%";
+            this.lblDensityValue.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
+            // 
+            // lblDensity
+            // 
+            this.lblDensity.Dock = System.Windows.Forms.DockStyle.Top;
+            this.lblDensity.Location = new System.Drawing.Point(8, 24);
+            this.lblDensity.Name = "lblDensity";
+            this.lblDensity.Padding = new System.Windows.Forms.Padding(0, 8, 0, 8);
+            this.lblDensity.Size = new System.Drawing.Size(178, 46);
+            this.lblDensity.TabIndex = 5;
+            this.lblDensity.Text = "This controls the starting density of live cells throughout the grid.";
+            // 
+            // grpInterval
+            // 
+            this.grpInterval.AutoSize = true;
+            this.grpInterval.AutoSizeMode = System.Windows.Forms.AutoSizeMode.GrowAndShrink;
+            this.grpInterval.Controls.Add(this.lblIntervalValue);
+            this.grpInterval.Controls.Add(this.ctrlInterval);
+            this.grpInterval.Controls.Add(this.lblInterval);
+            this.grpInterval.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.grpInterval.Location = new System.Drawing.Point(8, 170);
+            this.grpInterval.Margin = new System.Windows.Forms.Padding(8);
+            this.grpInterval.Name = "grpInterval";
+            this.grpInterval.Padding = new System.Windows.Forms.Padding(8);
+            this.grpInterval.Size = new System.Drawing.Size(193, 147);
+            this.grpInterval.TabIndex = 10;
+            this.grpInterval.TabStop = false;
+            this.grpInterval.Text = "Interval";
+            // 
+            // lblIntervalValue
+            // 
+            this.lblIntervalValue.Dock = System.Windows.Forms.DockStyle.Top;
+            this.lblIntervalValue.Location = new System.Drawing.Point(8, 115);
+            this.lblIntervalValue.Name = "lblIntervalValue";
+            this.lblIntervalValue.Size = new System.Drawing.Size(177, 30);
+            this.lblIntervalValue.TabIndex = 5;
+            this.lblIntervalValue.Text = "Current Value: 250ms";
+            this.lblIntervalValue.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
+            // 
+            // lblInterval
+            // 
+            this.lblInterval.Dock = System.Windows.Forms.DockStyle.Top;
+            this.lblInterval.Location = new System.Drawing.Point(8, 24);
+            this.lblInterval.Name = "lblInterval";
+            this.lblInterval.Padding = new System.Windows.Forms.Padding(0, 8, 0, 8);
+            this.lblInterval.Size = new System.Drawing.Size(177, 46);
+            this.lblInterval.TabIndex = 4;
+            this.lblInterval.Text = "This specifies how often the screen updates.";
+            // 
+            // panelMain
+            // 
+            this.panelMain.AutoSize = true;
+            this.panelMain.AutoSizeMode = System.Windows.Forms.AutoSizeMode.GrowAndShrink;
+            this.panelMain.ColumnCount = 2;
+            this.panelMain.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 50F));
+            this.panelMain.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 50F));
+            this.panelMain.Controls.Add(this.grpDensity, 1, 0);
+            this.panelMain.Controls.Add(this.grpSpores, 1, 1);
+            this.panelMain.Controls.Add(this.grpInterval, 0, 1);
+            this.panelMain.Controls.Add(this.grpGridSize, 0, 0);
+            this.panelMain.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.panelMain.Location = new System.Drawing.Point(0, 0);
+            this.panelMain.Name = "panelMain";
+            this.panelMain.RowCount = 2;
+            this.panelMain.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 50F));
+            this.panelMain.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 50F));
+            this.panelMain.Size = new System.Drawing.Size(419, 325);
+            this.panelMain.TabIndex = 11;
+            // 
+            // panelActions
+            // 
+            this.panelActions.AutoSize = true;
+            this.panelActions.BackColor = System.Drawing.SystemColors.Window;
+            this.panelActions.Controls.Add(this.btnOK);
+            this.panelActions.Controls.Add(this.btnCancel);
+            this.panelActions.Dock = System.Windows.Forms.DockStyle.Bottom;
+            this.panelActions.FlowDirection = System.Windows.Forms.FlowDirection.RightToLeft;
+            this.panelActions.Location = new System.Drawing.Point(0, 325);
+            this.panelActions.Margin = new System.Windows.Forms.Padding(0);
+            this.panelActions.Name = "panelActions";
+            this.panelActions.Size = new System.Drawing.Size(419, 39);
+            this.panelActions.TabIndex = 12;
+            // 
+            // btnOK
+            // 
+            this.btnOK.Location = new System.Drawing.Point(340, 8);
+            this.btnOK.Margin = new System.Windows.Forms.Padding(4, 8, 4, 8);
+            this.btnOK.Name = "btnOK";
+            this.btnOK.Size = new System.Drawing.Size(75, 23);
+            this.btnOK.TabIndex = 0;
+            this.btnOK.Text = "O&K";
+            this.btnOK.UseVisualStyleBackColor = true;
+            this.btnOK.Click += new System.EventHandler(this.btnOK_Click);
+            // 
+            // btnCancel
+            // 
+            this.btnCancel.Location = new System.Drawing.Point(257, 8);
+            this.btnCancel.Margin = new System.Windows.Forms.Padding(4, 8, 4, 8);
+            this.btnCancel.Name = "btnCancel";
+            this.btnCancel.Size = new System.Drawing.Size(75, 23);
+            this.btnCancel.TabIndex = 1;
+            this.btnCancel.Text = "C&ancel";
+            this.btnCancel.UseVisualStyleBackColor = true;
+            this.btnCancel.Click += new System.EventHandler(this.btnCancel_Click);
+            // 
+            // SettingsForm
+            // 
+            this.AcceptButton = this.btnOK;
+            this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.CancelButton = this.btnCancel;
+            this.ClientSize = new System.Drawing.Size(419, 364);
+            this.Controls.Add(this.panelMain);
+            this.Controls.Add(this.panelActions);
+            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
+            this.MaximizeBox = false;
+            this.MinimizeBox = false;
+            this.Name = "SettingsForm";
+            this.SizeGripStyle = System.Windows.Forms.SizeGripStyle.Hide;
+            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
+            this.Text = "Game of Life Settings";
+            ((System.ComponentModel.ISupportInitialize)(this.ctrlSpores)).EndInit();
+            ((System.ComponentModel.ISupportInitialize)(this.ctrlInterval)).EndInit();
+            ((System.ComponentModel.ISupportInitialize)(this.ctrlDensity)).EndInit();
+            this.grpGridSize.ResumeLayout(false);
+            this.grpSpores.ResumeLayout(false);
+            this.grpDensity.ResumeLayout(false);
+            this.grpDensity.PerformLayout();
+            this.grpInterval.ResumeLayout(false);
+            this.grpInterval.PerformLayout();
+            this.panelMain.ResumeLayout(false);
+            this.panelMain.PerformLayout();
+            this.panelActions.ResumeLayout(false);
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+        private System.Windows.Forms.ComboBox ctrlGridSize;
+        private System.Windows.Forms.NumericUpDown ctrlSpores;
+        private System.Windows.Forms.TrackBar ctrlInterval;
+        private System.Windows.Forms.TrackBar ctrlDensity;
+        private System.Windows.Forms.Label lblSpores;
+        private System.Windows.Forms.Label lblGridSize;
+        private System.Windows.Forms.GroupBox grpGridSize;
+        private System.Windows.Forms.GroupBox grpSpores;
+        private System.Windows.Forms.GroupBox grpDensity;
+        private System.Windows.Forms.Label lblDensity;
+        private System.Windows.Forms.GroupBox grpInterval;
+        private System.Windows.Forms.Label lblInterval;
+        private System.Windows.Forms.TableLayoutPanel panelMain;
+        private System.Windows.Forms.Label lblDensityValue;
+        private System.Windows.Forms.Label lblIntervalValue;
+        private System.Windows.Forms.FlowLayoutPanel panelActions;
+        private System.Windows.Forms.Button btnOK;
+        private System.Windows.Forms.Button btnCancel;
+    }
+}
\ No newline at end of file
diff --git a/GameOfLife/SettingsForm.cs b/GameOfLife/SettingsForm.cs
new file mode 100644
index 0000000..80ebb2d
--- /dev/null
+++ b/GameOfLife/SettingsForm.cs
@@ -0,0 +1,72 @@
+using Microsoft.Win32;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Text;
+using System.Windows.Forms;
+
+namespace GameOfLife
+{
+    public partial class SettingsForm : Form
+    {
+        private void LoadSettings() {
+            RegistryKey key = Registry.CurrentUser.OpenSubKey("SOFTWARE\\TheoryOfNekomata\\WindowsScreensavers\\GameOfLife");
+            object retrievedGridSize = 3;
+            object retrievedSpores = 0;
+            object retrievedDensity = 50;
+            object retrievedInterval = 250;
+
+            if (key != null)
+            {
+                retrievedGridSize = key.GetValue("GridSizeIndex", 3);
+                retrievedSpores = key.GetValue("Spores", 0);
+                retrievedDensity = key.GetValue("DensityPercentage", 50);
+                retrievedInterval = key.GetValue("IntervalMs", 250);
+            }
+
+            ctrlGridSize.SelectedIndex = (int) retrievedGridSize;
+            ctrlSpores.Value = decimal.Parse(retrievedSpores.ToString());
+            ctrlDensity.Value = (int)retrievedDensity;
+            lblDensityValue.Text = string.Format("Current Value: {0}%", ctrlDensity.Value);
+            ctrlInterval.Value = (int)retrievedInterval;
+            lblIntervalValue.Text = string.Format("Current Value: {0}ms", ctrlInterval.Value);
+        }
+
+        private void SaveSettings() {
+            RegistryKey key = Registry.CurrentUser.CreateSubKey("SOFTWARE\\TheoryOfNekomata\\WindowsScreensavers\\GameOfLife");
+            key.SetValue("GridSizeIndex", ctrlGridSize.SelectedIndex);
+            key.SetValue("Spores", int.Parse(ctrlSpores.Value.ToString()));
+            key.SetValue("DensityPercentage", ctrlDensity.Value);
+            key.SetValue("IntervalMs", ctrlInterval.Value);
+        }
+
+        public SettingsForm()
+        {
+            InitializeComponent();
+            LoadSettings();
+        }
+
+        private void ctrlDensity_Scroll(object sender, EventArgs e)
+        {
+            lblDensityValue.Text = string.Format("Current Value: {0}%", (sender as TrackBar).Value);
+        }
+
+        private void ctrlInterval_Scroll(object sender, EventArgs e)
+        {
+            lblIntervalValue.Text = string.Format("Current Value: {0}ms", (sender as TrackBar).Value);
+        }
+
+        private void btnOK_Click(object sender, EventArgs e)
+        {
+            SaveSettings();
+            Close();
+        }
+
+        private void btnCancel_Click(object sender, EventArgs e)
+        {
+            Close();
+        }
+    }
+}
diff --git a/GameOfLife/SettingsForm.resx b/GameOfLife/SettingsForm.resx
new file mode 100644
index 0000000..b5ae26c
--- /dev/null
+++ b/GameOfLife/SettingsForm.resx
@@ -0,0 +1,60 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>
\ No newline at end of file