Square Cube

You are in a small room, and in your hands is a real teleportation cannon, imported straight from the "Portal", but arranged a little differently. The charges of this gun are limited, and they can only teleport to certain surfaces. With such a stray, you have to solve small puzzles to go through all the rooms, but the further you go, the more difficult it will be for you. Speaking of you, or rather about your character, you are a cube, a cube is you. You are one with this 4-square, and you have ...