Play Free Online Games, fun games, puzzle games, action games, sports games, flash games, adventure games, multiplayer games and more. Portal: Flash Version: Defy the laws of time and space with your portal gun. You'll need to rethink physics to beat this challenge. Do you has?. Kongregate free online game Portal: The Flash Version - Based on Valve's latest hit, Portal: The Flash Version brings it all up in 2d! Portal: The.