I.A.

You can move with W, A, S, D key.

Jump with space.

To change the power of the weapon use the mouse wheel or the 1, 2, 3 key.

Use the F key to grab a cube, and F again to release it.

Use the M key to open the menu (you can reset the level).

There are 5 types of cubes:

The GREY cubes are basic cubes, you only can grab and  move them.

The BROWN cubes can be transformed with the GREY/EARTH power. That will transform the cube in to a "large" cube.

The PINK cubes can be transformed with the PINK/GUM power. That will transform the cube in to a gum, that can attach other cubes.

The BLUE cubes can be transformed with the BLUE/WIND power. That will apply to the cube a wind force that can move you and cubes.

The WHITE cubes can be transformed with all the powers.

You can only grab the cubes in his "base" state.

Walkthrough: