There are often messages scrawled on the walls.
Some of them are more helpful than others.
This, in particular, is sound advice.
Changing gravity will sometimes cause blocks to shift.
Daring jumps on moving platforms.
Falling through a spiral tunnel.
Some blocks can be pushed.
There are a few puzzles mixed in with the action.
Don't touch those arrows!
So, how about those extremely large crushing blocks?
The pause menu has a sense of humor.
You can replay any completed stage.