Using WASD or arrow keys you have to help yellow ball Clobe to fix up 20 broken portals at 20 levels by collecting missing gems and placing them to the portal.
* WASD or ARROW keys - move character;
* P - pause game;
* R - return to the last checkpoint;
* O - toggle movement keys indication on/off (to be used in video walkthrough, mainly);
* F - toggle fps counter on/off;