Portal Flash Game, Play Portal, The Free Flash Version Online. Based on Valve's Portal, Portal: The Flash Version brings it all up in 2d! Portal: The Flash Version includes over 40 challenging, portals thinking levels, and. A walkthrough for We Create Stuff's game Portal: The Flash Version. This covers levels. What does this mean for me? Remove ads from game pages! Register now to save your earned badges, chat with other players, and share your progress with your friends. Halloween-Memory x gespielt. Tired of ads on Kongregate?