How about Playing Mayhem Area? In this game you have to survive by killing zombies. Make good use of the help, the ammo is very limited!
W to Jump A to Left D to Right Left Click to Fire
Xmas
Santa
Axe H
Sheep
Mini
Arith
Fire
Chain
Magic
Draw
Princ
Rescu
Harne
Biket
Super
Shoe
Park
Impos
Motoc
Help
Water
Judy
Ice Q
Kick
Extre
Cross
Two C
Blow
Amgel
Baby
Thril
Shape
Rainb