Portal
Video game serie
Series of first person puzzles by Valve, sub-series of Half-Life.
12
games
6platforms
X360 2008-10-22
WIN 2007-10
OSX 2011-04-19
WIN 2011-04-19
PS3 2011-04-19
X360 2011-04-19
Series of first person puzzles by Valve, sub-series of Half-Life.