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.
Left mouse button – launch a portal. A+D – Left/Right movement. W - Jump. Q – launch a blue portal. E – launch a yellow portal. R – Close both portals. F – pick up an object. Esc/P – pause game.