Killzone is a squad-based, first-person shooter, set in the near future during a period of planetary colonization. Drawing inspiration from classical military conflicts of the 20th century,Killzone demonstrates a unique graphical style that captures the grit and realism of intense military warfare. Featuring online gameplay via the Network Adaptor (Ethernet/modem) (for PlayStation®2) with voice-chat capabilities via the USB Headset (for PlayStation®2), Killzone is based on classic military altercations found in the history of warfare; players will battle through trenches, endure city sieges, sweat through jungles and battle guerilla combatants.