•Complete strategy forHalf-Life 2,Half-Life 2: Episode One,Half-Life 2: Episode Two,Portal, andTeam Fortress 2. •Half-Life 2: Enhanced biographies and enemy information showcasing all the new entities! •G-Man locations, hidden item stashes, and more revealed! •Portal: Tactics for every single level, with incredible, mind-bending shortcuts from the development team! •Team Fortress 2: Complete information for all characters and insanely advanced tactics for every map. •Comprehensive list of all Xbox 360 Achievements, with hints for completing them. •Fully labeled maps of every single level in all five games! •Raising the Bar: Exclusive artwork and developer interviews for all games!