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Extensive Single Player - Experience Next Generation Gameplay and an Engrossing Story
Complete Two-Person Co-Op - Enjoy a Dedicated Multiplayer Story, Characters, and Gameplay
Advanced Physics - Create New Challenges and Explore a Vast, Rich Game World
Massive Sequel - Portal 2 Was Named 2007's Game of the Year by Over 30 Publications Worldwide
The Single-Player Portion of Portal 2 Features Dynamic New Characters, Fresh Puzzle Elements, and a Large Set of Devious Test Chambers