The player once again assumes the role of Riddick, controlling him a standard first person shooter fashion through the corridors of the ship. But Riddick isn't one who runs guns blazing through the enemies. Instead the dark is his friend. Hiding in the shadows he uses his special ability to see in the dark, sneak up on enemies and perform an instant melee kill with whatever weapon he has currently equipped. This not only applies to his melee weapons that range from his fists to the newly double-carved blades but called "Ulaks" but also to the bigger stuff he'll find on his journey like assault rifles, a mini-gun and such. If he hasn't a gun available, he can pick up a dead drone and use hers. At one point in the single player campaign he'll even take over the control of a full-blown mech to reek havoc on the ship as he did back in Escape from Butcher Bay. If an enemy manages to actually hit the player, Riddick can use NanoMED health units to replenish his health. Since these only have a limited amount of charges he can refill them with NanoMED Catridges scattered around the levels. The bigger NanoMED health units permanently increase his health. And on his way through the Dark Athena he also finds bounty cards, the equivalent of the cigarette packs Riddick collects in Escape from Butcher Bay, unlocking extra content like artworks or personal profiles.