| key specs |
| Genre | Shooter | Shooter |
| Platform | PlayStation 3 (PS3), Xbox 360, PC: Windows | PlayStation 3 (PS3), Xbox 360, PC: Windows, PC: macOS, PC: Linux |
| Modes | Single-player | Multiplayer |
| Series | Half-Life | Counter-Strike |
| PEGI Rating | 18+ | 18+ |
| general |
| Brand | Valve | Valve |
| Model | Half-Life 2: Episode One | Counter-Strike: Global Offensive |
| Release date | October 19, 2007 | August 21, 2012 |
| Publisher | Valve | Valve |
| Developer | Valve | Valve, Hidden Path Entertainment |
| Director | Robin Walker | - |
| Producer | Bill Van Buren | Bill Van Buren |
| Writer | Erik Wolpaw, Chet Faliszek | Chet Faliszek, Ted Kosmatka |
| Composer | Kelly Bailey | Mike Morasky |
| Genre | Shooter | Shooter |
| Series | Half-Life | Counter-Strike |
| Age Rating (PEGI) | 18+ | 18+ |
| Platform | PlayStation 3 (PS3), Xbox 360, PC: Windows | PlayStation 3 (PS3), Xbox 360, PC: Windows, PC: macOS, PC: Linux |
| Game Modes | Single-player | Multiplayer |
| DLC | Yes | - |
| Always online | No | No |
| Is game free-to-play | - | Yes |