 The player's arsenal includes a handgun, submachine gun, assault rifle, shotgun, sniper rifle, anti-armor rifle and a UV Knife used to stab an enemy from behind for an instant kill.If the player collects enough "Medals" that are either placed in hidden or difficult to reach spots throughout the game as well as passing certain missions under certain conditions such as within a time-limit, without needing to retry from a checkpoint or without killing any Nightwalkers will reward the player with extra side-missions and challenges.Online multiplayer involves up to eight players in standard modes such as deathmatch, team deathmatch and capture the flag, as well as the unique mode which allows one to become a nightwalker and fight opponents with extreme speed and power.