From Dust

Cheats Codes:

Pushing with Water
If your tribe member is stuck on a cliff and can't get down absorb some water and push them down and quickly absorb it back up. If a tribe member is carrying the repel water info you can push him down a hill with water to make him go faster.

Sandbox mode
When you get to the last level, Origins, you will be able to use your powers to control every element in the game and modify the world as you wish.