Portal: The Flash Version includes over 40 challenging, portals thinking levels, which features almost every feature the real game does, in 2d? energy balls, cubes, turrets and even the famous crusher from the trailer. The game also includes a console to mess around with after finishing the game, or just being frustrated by thinking with portals
Controls: Left mouse button - launch a portal. A W D - 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.