Remove the blocks.
You can't get rid of the blue ones now.
Green blocks to remove now.
The title screen
Level 1, start with the blue blocks
Level 1, then the purple blocks
Level 1 completed
Level 2, introducing the slider blocks
Level 3, lots of skulls to avoid
Level 4, a maze with strategically placed skulls
Level 5, I believe this game was created in 1988.. or was it 1987?
Level 6, this game is hardcore
Level 6, a block is locked in by the slider blocks, press restore to lose a life and restart the level
When you lose all your lives it's game over
Highscore screen, the top eight