How about Playing Mayhem Area: Squid Wars? 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
Rolly
What
Hamst
My Li
Extre
Pirat
Three
Rescu
King
Dirt
Star
Craft
Speed
Block
Cat C
Suita
Shark
Body
Yello
Trz T
Lane
Kids
Muscl
Super
Princ
Candy
Cars
Doodl
Blaze
Messy
Hulk
Dodge
Ping