Monster Madness: Grave Danger for PS3 will be released on 5th September.
Grave Danger promises to improve significantly on the fairly rubbish Xbox 360 original. There are loads more weapon power-ups, a better camera system, 25 mini-game challenges, and full four-player campaign co-operative play.
Monster Madness is similar to Zombies Ate My Neighbours and games like Wolf of the Battlefield: Commando 3. The undead invade suburbia and a quartet of unlikely teenage stereotypes pick up all manner of objects and guns to become heroes.
SouthPeak released a PS3 demo for Monster Madness: Grave Danger yesterday, which should give you a better idea of what to expect.
Or, you could saunter over to our Xbox 360 review of Monster Madness to see what needed changing.