Portal 2 Minimum System Requirements
- CPU: 3.0 GHz P4, Dual Core 2.0 (or higher) or AMD64X2 (or higher)
- RAM: 1GB XP / 2GB Vista
- OS: Windows 7 / Vista / XP
- Graphics: Video card must be 128 MB or more and should be a DirectX 9-compatible with support for Pixel Shader 2.0b (ATI Radeon X800 or higher / NVIDIA GeForce 7600 or higher / Intel HD Graphics 2000 or higher).
- DirectX: DirectX 9.0c compatible
- Hard Drive: 7.6 GB
Portal 2 is a Puzzle-Platform, Single-player and Multiplayer video game developed and published by Valve Corporation in 2011. Like the first release in 2007, the player needs to solve puzzles by placing portals and also teleporting between them to advance through the game. The second game in the series introduces prominent features, including tractor beams, light bridges, lasers, and paint-like gets that modify the movement of the player or enable portals to be placed on any available surface. However, in the Single-player campaign, the player commands Chell, who explores the dilapidated ACEC during its reconstruction by supercomputer. The player moves his character from a first-person perspective with an aim of completing the stunning puzzles. In the game, the player controls the role of Chell, as one of two robots such as Atlas and P-Body – in the co-op. Up to four players can explore and interact with landscapes to advance through the story. Several elements including Excursion Funnels, Thermal Discouragement, and Hard Light Bridges, all of which can be placed through portals.