Portal Puzzles

The game has several levels, on each of which you will meet portals. Use them to overcome obstacles on your way.

The goal on the level is to get to the elevator, which will take you to the next level.
To move, use the WASD keys.
Space - Jump
Shift - running

There will be cubes on levels that are needed to activate buttons.
To pick them up/release, use the E key
While holding the cube, you can use:
R - Reset the rotation of the cube
Mouse wheel or G/T - Zoom in/out cube