Example image of eyePlorer eyePlorer map for 'Half-Life 2': First-person shooter Half-Life (video game) Science fiction Video game Source code Valve Corporation Game engine Havok (software) Source (game engine) Microsoft Windows Personal computer PlayStation 3 Porting Video game console Xbox Xbox 360 Combine (Half-Life) Dystopia Extraterrestrial life Gordon Freeman Scientist Game of the Year Computer animation Computer graphics Game artificial intelligence Narrator Physics engine Sound recording and reproduction Product activation Transhuman Head-up display Concrete masonry unit Counter-Strike: Source Steam (content delivery) Laboratory Locations of Half-Life Team Fortress 2 The Orange Box G-Man (Half-Life) Stasis (fiction) Decade Half-Life 2: Episode One Marc Laidlaw Eastern Europe Bulgaria Hallucination Half-Life (series) List of Half-Life universe characters Alyx Vance Teleportation