Featuring four playable characters each one will alter the way the player goes through the mission level. Killzone provides several gameplay modes including single-player, multiplayer (team based and competitive) and online play for up to 16 players. Players can equip themselves with an armory of more than 27 different weapons inspired from today's modern weaponry. In particular, there are 21 first-person weapons that the player can carry, five emplaced weapons, and hand grenades. More than 11 intricately detailed environments showcase the harsh setting of a war-ridden planet, coupled with a unique graphical style designed to capture the grit and realism of intense military engagements.