Portal the flash version is a mind bending puzzle of a game based on the actual game Portal. Enjoy over 40 levels with energy balls, cubes and turrets to boot.
Instructions :
Left mouse button - launch a portal. A W D keys - movement. Q - launch a blue portal. E - launch a yellow portal. R - Close both portals. F - pick up an object. ~ - open up console (enable through the options). O - quick quality adjust. Esc/P - pause game.