Portal 1 [Rip]

Portal
PC game | Language: English | Developer: Valve | 583 MB
Genre: First-Person Shooter

A unique take on puzzle gameplay by the makers of Half-Life. Portal is a new type of single player game that changes how players approach, manipulate, and surmise the possibilities in a given environment in a manner similar to how the Gravity Gun changed our approach to how an object may be leveraged in any given situation.