diff --git a/OpenRA.FileFormats/Graphics/PngLoader.cs b/OpenRA.FileFormats/Graphics/PngLoader.cs
new file mode 100644
index 0000000000..f977d9f5f7
--- /dev/null
+++ b/OpenRA.FileFormats/Graphics/PngLoader.cs
@@ -0,0 +1,181 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2010 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made 
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.IO;
+using System.IO.Compression;
+using System.Net;
+using System.Runtime.InteropServices;
+using System.Text;
+
+namespace OpenRA.FileFormats.Graphics
+{
+	public static class PngLoader
+	{
+		public static Bitmap Load(string filename)
+		{
+			return Load(File.OpenRead(filename));
+		}
+
+		public static Bitmap Load(Stream s)
+		{
+			using (var br = new BinaryReader(s))
+			{
+				var signature = new byte[] { 137, 80, 78, 71, 13, 10, 26, 10 };
+				foreach (var b in signature)
+					if (br.ReadByte() != b)
+						throw new InvalidDataException("PNG Signature is bogus");
+
+				Bitmap bitmap = null;
+				Color[] palette = null;
+				List<byte> data = new List<byte>();
+
+				for (; ; )
+				{
+					var length = IPAddress.NetworkToHostOrder(br.ReadInt32());
+					var type = Encoding.UTF8.GetString(br.ReadBytes(4));
+					var content = br.ReadBytes(length);
+					var crc = br.ReadInt32();
+
+					using (var ms = new MemoryStream(content))
+					using (var cr = new BinaryReader(ms))
+						switch (type)
+						{
+							case "IHDR":
+								{
+
+									var width = IPAddress.NetworkToHostOrder(cr.ReadInt32());
+									var height = IPAddress.NetworkToHostOrder(cr.ReadInt32());
+									var bitDepth = cr.ReadByte();
+									var colorType = (PngColorType)cr.ReadByte();
+									var compression = cr.ReadByte();
+									var filter = cr.ReadByte();
+									var interlace = cr.ReadByte();
+
+									if (compression != 0) throw new InvalidDataException("Compression method not supported");
+									if (interlace != 0) throw new InvalidDataException("Interlacing not supported");
+
+									bitmap = new Bitmap(width, height, MakePixelFormat(bitDepth, colorType));
+
+								}
+								break;
+
+							case "PLTE":
+								{
+									palette = new Color[256];
+									for (var i = 0; i < 256; i++)
+									{
+										var r = cr.ReadByte(); var g = cr.ReadByte(); var b = cr.ReadByte();
+										palette[i] = Color.FromArgb(r, g, b);
+									}
+								}
+								break;
+
+							case "tRNS":
+								{
+									for (var i = 0; i < length; i++)
+										palette[i] = Color.FromArgb(cr.ReadByte(), palette[i]);
+								}
+								break;
+
+							case "IDAT":
+								{
+									data.AddRange(content);
+								}
+								break;
+
+							case "IEND":
+								{
+									var bits = bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height),
+										ImageLockMode.WriteOnly, PixelFormat.Format8bppIndexed);
+
+									using (var ns = new MemoryStream(data.ToArray()))
+									{
+										// 'zlib' flags bytes; confuses the DeflateStream.
+										var flags = (byte)ns.ReadByte();
+										var moreFlags = (byte)ns.ReadByte();
+
+										using (var ds = new DeflateStream(ns, CompressionMode.Decompress))
+										using (var dr = new BinaryReader(ds))
+										{
+											var prevLine = new byte[bitmap.Width];	// all zero
+											for (var y = 0; y < bitmap.Height; y++)
+											{
+												var filter = (PngFilter)dr.ReadByte();
+												var line = dr.ReadBytes(bitmap.Width);
+
+												for (var i = 0; i < bitmap.Width; i++)
+													line[i] = i > 0
+														? UnapplyFilter(filter, line[i], line[i - 1], prevLine[i], prevLine[i - 1])
+														: UnapplyFilter(filter, line[i], 0, prevLine[i], 0);
+
+												Marshal.Copy(line, 0, new IntPtr(bits.Scan0.ToInt64() + y * bits.Stride), line.Length);
+												prevLine = line;
+											}
+										}
+									}
+
+									bitmap.UnlockBits(bits);
+
+									using (var temp = new Bitmap(1, 1, PixelFormat.Format8bppIndexed))
+									{
+										var cp = temp.Palette;
+										for (var i = 0; i < 256; i++)
+											cp.Entries[i] = palette[i];		// finalize the palette.
+										bitmap.Palette = cp;
+										return bitmap;
+									}
+								}
+						}
+				}
+			}
+		}
+
+		static byte UnapplyFilter(PngFilter f, byte x, byte a, byte b, byte c)
+		{
+			switch (f)
+			{
+				case PngFilter.None: return x;
+				case PngFilter.Sub: return (byte)(x + a);
+				case PngFilter.Up: return (byte)(x + b);
+				case PngFilter.Average: return (byte)(x + (a + b) / 2);
+				case PngFilter.Paeth: return (byte)(x + Paeth(a, b, c));
+				default:
+					throw new InvalidOperationException("Unsupported Filter");
+			}
+		}
+
+		static byte Paeth(byte a, byte b, byte c)
+		{
+			var p = a + b - c;
+			var pa = Math.Abs(p - a);
+			var pb = Math.Abs(p - b);
+			var pc = Math.Abs(p - c);
+
+			return (pa <= pb && pa <= pc) ? a :
+				(pb <= pc) ? b : c;
+		}
+
+		[Flags]
+		enum PngColorType { Indexed = 1, Color = 2, Alpha = 4 };
+		enum PngFilter { None, Sub, Up, Average, Paeth };
+
+		static PixelFormat MakePixelFormat(byte bitDepth, PngColorType colorType)
+		{
+			if (bitDepth == 8 && colorType == (PngColorType.Indexed | PngColorType.Color))
+				return PixelFormat.Format8bppIndexed;
+
+			throw new InvalidDataException("Unknown pixelformat");
+		}
+	}
+}
diff --git a/OpenRA.FileFormats/OpenRA.FileFormats.csproj b/OpenRA.FileFormats/OpenRA.FileFormats.csproj
index 1c8bdeb88a..2fad3ee4c2 100644
--- a/OpenRA.FileFormats/OpenRA.FileFormats.csproj
+++ b/OpenRA.FileFormats/OpenRA.FileFormats.csproj
@@ -66,6 +66,7 @@
     <Compile Include="FieldLoader.cs" />
     <Compile Include="Graphics\IGraphicsDevice.cs" />
     <Compile Include="Graphics\IInputHandler.cs" />
+    <Compile Include="Graphics\PngLoader.cs" />
     <Compile Include="Graphics\ShpWriter.cs" />
     <Compile Include="Graphics\Vertex.cs" />
     <Compile Include="HttpUtil.cs" />