How to customize icon without IED
- Create a bitmap with alpha and export it to PNG - make sure that your width/height is a power of two! (16,32,64,128,...)
- Download @icon sushi - it is a free icon editing application: http://www.towofu.net/soft/e-aicon.php
- Load the PNG and make sure that you get the alpha channel right
- Save as icon (*.ico)
- Download the res hacker - it is a free resource hacking application. With this tool, you can alter EXE icons: http://www.angusj.com/resourcehacker/
- Open the original acknex.exe with the res hacker and replace the engine icon with your own icon, and save
- Compile your game to an exe. The resulting EXE file will have your custom icon now.