You can't usually patent pure software such as games, but they are automatically covered by copyright in any country that signed the Bern Convention (most Western countries). If you really want to try and patent it though, try submitting your patent proposal to the US Patent and Trademarks Office, as they seem to let practically anything have a patent.
The Trivial Pursuit board games are patented.
Zombie Apocalypse - video game - happened in 2009.
You cannot pause Zombie Café.
tennis
The game was patented in 1924.
No. The game for PS2 is not World at War it is World at War Final Fronts and does not have a zombie mode because it is not the same game as the Xbox 360 and PS3 game with a zombie mode
As of yet, there is nothing like that in the game so far.
Zombie Cafe is a game for Android and iPhone in which you run a cafe which employs zombies. It may not always be possible to use the meat locker as there is a glitch which can cause it to not function or crash the game.
With money
666games.net or 666gamer.com are some good zombie game websites and freewebarcade.com is good also.
You don't becoming a Zombie is not part of the designed game
The two games that come to mind are any of the Left4Deadseries that allow you to play as infected characters or for a totally zombie based game, Stubbs the Zombie: Rebel Without a Pulse might be a good choice.