Killzone 2 is a first-person shooter (FPS) game developed by Guerrilla Games for the Sony PlayStation 3. Released in 2009, it's the second installment in the Killzone franchise. The game features visceral combat in a dystopian future where players join the Interplanetary Strategic Alliance (ISA) to battle the Helghast forces on their home planet of Helghan. Featuring intense, gritty warfare with a heavy focus on atmosphere and visual fidelity, Killzone 2 offers both a compelling single-player campaign and robust multiplayer modes, which have contributed to its strong legacy within the FPS genre.