Characters - Advanced facial animation system delivers the most sophisticated in-game characters ever seen. With 40 distinct facial muscles, human characters convey the full array of human emotion, and respond to the player with fluidity and intelligence
Physics - From pebbles to water to 2-ton trucks respond as expected, as they obey the laws of mass, friction, gravity, and buoyancy
Graphics - Source's shader-based renderer, like the one used at Pixar to create movies such as Toy Story and Monster's, Inc., creates the most beautiful and realistic environments ever seen in a video game.
AI - Neither friends nor enemies charge blindly into the fray. They can assess threats, navigate tricky terrain, and fashion weapons from whatever is at hand
Description
The Orange Box includes all the content of The Black Box for PC, plus the original Half-Life 2 and Half-Life 2: Episode One. Innovative games featured in The Orange Box include Half-Life 2: Episode Two, the second installment in Valve's episodic trilogy advances the award-winning story, leading the player to new locations outside of City 17, as well as the pioneering type of single-player action game Portal, which rewrites the rules for how players approach and manipulate their environment, and Team Fortress 2 -- an all-new version of the legendary title that spawned team based multiplayer action games with a daring new art style features the most advanced graphics of any Source-based game released to date.