A clone of Falling Sand (fallingsandgame.com/sand/) done in 1086 lines of python (34 kb).
PySand is finally here! It is a falling sand clone made in pygame.
Many materials including fire, water, oil, bomb, methane.
Very fast frame rate (80+ fps)
Nice stats panel
WORKS WITH PYTHON 3 ONLY.
3 color schemes
Only one file
Well commented code, easy to edit