What is zombie game of the year 2011?

The zombie game of the year for 2011 is widely considered to be "Dead Island." This action role-playing game features an open-world environment set on a tropical island overrun by Zombies. It gained acclaim for its immersive gameplay, co-op multiplayer features, and a compelling story, despite mixed reviews regarding its technical issues. The game's unique combination of survival Horror and RPG elements made it a standout title in the zombie genre that year.