DI Riptide silly release time

Got up this morning and straight to my routine - toilet -> coffee -> pc -> Dead Island-> 5 billion hours to wait still....  I like zombie games and i hate waiting. So i just wanted to know what other cool zombie games are there? ( have not yet player left 4 dead) 

lol what? you have'nt played left4dead, get it. (i hate zombie games but left4dead is awesome)