This game was made within 2 hours (1 hour game, 1 hour polish) and with only 16 8x8 sprites, so don't expect a GOTY.
Rocks fall down and you need to point the arrows of the rocks at eachother. Clearing the stage rewards you with 1000 points, while breaking a rock gives you 10 points each. Bombs break adjacent rocks, once they land.
left / right - move rocks left or right.
down - speed up the fall and gain extra points. Start the game with this button.
The game gets faster and harder as you progress, indicated by the number above the score.