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Available on Steam, Xbox.
Portal™ is a new single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.
Tags and features
#483
of 719 games
0h
Playtime
0%
Of all playtime
0
Sessions
2026
Played since
Portal contributes to Lone Wolf and Adrenaline through solo play, action.
Lone Wolf
Strong
Solo play, self-reliant, single-player worlds
Adrenaline
Moderate
Fast reflexes, combat, and high-octane action
15 of 15 achievements earned
100%complete
15
UNLOCKED
0
LOCKED
100%
COMPLETION
5
RECENT
Recent unlocks
Aperture SciencePortal
Rocket SciencePortal
Basic SciencePortal
Camera ShyPortal
Transmission ReceivedPortal