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
Pick
Train
Biggy
Tatto
Stree
Eg Cl
Truck
Cute
My Fi
Baske
Word
Alien
Adven
Weapo
Dirt
Noob
Funny
Kogam
They
Akihi
Gladi
Anaco
Adven
Googl
Merma
Cute
8 Poo
Backy
Ben 1
Mini
Help
Ez Ma
Monst