Portal 2 - FPS - 2011

Portal 2 is a puzzle-platform game that expanded on the original Portal's mechanics with new features and a longer campaign. Portal 2 is one of Valve's best titles, and one of the best games of all time. It can be purchased as a standalone title, part of the Orange Box, or as part of the Valve Complete Pack, which includes all of Valve's early titles. These bundles go on sale during most Steam sales. Watch steamDB for sales.

Engine: source

Links:

• Trailer: Portal 2 Teaser Trailer - Portal 2 Teaser Trailer
• Trailer: Portal 2 - Full Co-op Trailer - Portal 2 - Full Co-op Trailer
• Store: Steam Store Link - Portal 2 on Steam
• SteamDB: SteamDB Link - Portal 2 on SteamDB

Release Dates:

• Full Game - April 19, 2011 - Worldwide