While the original commercial product was developed by Transgaming, it is now an open-source project maintained by Google. You can find various archived and community builds on:

DirectX 9 (DX9) is a set of APIs designed by Microsoft for Windows, providing a crucial link between software and graphics hardware. It allows developers to create games and applications that can handle complex graphics, audio, and input.

: Running the game at a lower resolution (e.g., 640x480) is highly recommended since CPU rendering is much slower than hardware GPU rendering.

: It tricks the game into thinking your "2D-only" integrated graphics can handle modern shaders.