Small zombie attacks have occured in the past, although no full-scale apocalypse has ever happened. it is likely, however, that a zombie apocalypse will occur within the next 2-10 years, so be prepared! More info can be found aroud the internet, and in Max Brook's book, The Zombie Survival Guide.
who knows i maybe but maybe not but lets hope its not real like on resident evil and left 4 dead.
Zombie Zombie happened in 1984.
Not scientificaly. There is no proof that there are zombies, so a zombie apocalypse can't happen.
Zombie Wranglers happened in 360.
Fort Zombie happened in 2009.
Zombie Driver happened in 2009.
Zombie Massacre happened in 1998.
Zombie Tycoon happened in 2009.
Zombie ShootAR happened in 2010.
it cud happen soon
Burn Zombie Burn happened in 2009.
Atom Zombie Smasher happened in 2011.