Thread:Kuromin/@comment-8846246-20160314193701/@comment-8846246-20160314194809

No, almost any program will do. I use Paint.NET, Mougeki Mero uses GIMP, and LynRuden/Heyhell created the original sprites in MS Paint. The program can be any of those, or really anything.

The game's pixel size is 2x2.