Half-Life 2 (Orange Box): Prima Official Game Guide

* Complete strategy for Half-Life 2, Half-Life 2: Episode One, Half-Life 2: Episode Two, Portal, and Team 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!