Portal: the flash version is an excellent platform game based in the valve's "portal" game. The goal is reach the exit opening portals on the walls or floors and traveling across this portals the character can reach unreachable places and evade enemies.
Portal: the flash version is a refreshing platform logic game, give it a try.
Because this game is really hard here you can watch the walktrough:
from level 1 to level 29:
from level 30 to level 36:
from level 37 to level 38:
From level 38 to the end:
Technorati Tags: portal , flash , version , platform , game
