Climb out to the doorway. Left and Right walk (or turn to face that way; hold to keep walking), Climb steps up one block, Lift picks up the block in front, or sets the one you carry down.
Climb out to the doorway. ← → walk (or turn to face that way), ↑ climb one step, ↓ lift the block in front onto your head, or set the one you carry down. Z undo, R restart. WASD works too.
Mixed: cracked floor, ice and springs together. Ice that reaches a spring is thrown its own way and keeps sliding, and anything passing over cracked floor breaks it.
Crumble: cracked floor holds you up, but breaks for good once whatever stands on it leaves it, you or a crate.
Ice: an ice block you set down slides away until it hits something, off ledges too. Drop onto resting ice and it shoots out from under you; ice that hits ice stops, and the one it hit slides on with whatever sits on it.
Springs: land on a spring, or walk onto one, and it throws you as high as you fell (at least one cell), then a cell forward. Blocks you set down bounce too.