Player uses arrow keys to move, and A-W-D-X for two players.
Python source files and a subfolder with really obnoxious sounds in it. Replace the sounds with your own, no problem!
You'll need to install Pygame. http://pygame.org/download.shtml
I have run this on Windows 7 and Raspberry Pi.
Doesn't use sprites, just used square shapes in different colors. Each color has a certain number of points to it so there's some strategy possible.
The code has some other functions which can be used to change the intelligence of the automated opponent, or write your own.
Something fun to add would be a player collision detector and function (like random teleport).
math-game is included, an incomplete attempt at an arithmetic teaching program.