Kill the monsters. Use the knife, handgun, shotgun or one of the other weapons in your arsenal to take them out.
Graphics/Sound: 
Monster Mayhem is an absolutely beautiful game. The animations are funny and extremely well done. The sound is great too.
Controls: 
Controls are almost perfect. The guns take some practice to master.
Replay Value: 
Two game modes. Openfeint intergation. Plenty of achievements and unlockable locations will keep you coming back.
Overall:
Buy it! You will not be disappointed. Monster Mayhem has an awesome interface, great graphics, excellent sound, has tons of content, and it’s a blast to play.
Developer: Taplay.com
Price: $1.99 (AppStore)