I'm not really into zombie games but this looked really interesting. It's a semi realistic take on an open world zombie rpg. The game is melee focused with four classes to chose from. The main goal is to survive and escape the island.
6 min gameplay video
[ame="http://www.youtube.com/watch?v=56SfgnRsqZQ"]YouTube - ‪Dead Island - E3 2011: Last Chance on the Wall 2‬‏[/ame]
20 min gameplay video
[ame="http://www.youtube.com/watch?v=pVzRo39P31I"]YouTube - ‪Dead Island: 20 Minutes of Gameplay Footage [HD]‬‏[/ame]
6 min gameplay video
[ame="http://www.youtube.com/watch?v=56SfgnRsqZQ"]YouTube - ‪Dead Island - E3 2011: Last Chance on the Wall 2‬‏[/ame]
20 min gameplay video
[ame="http://www.youtube.com/watch?v=pVzRo39P31I"]YouTube - ‪Dead Island: 20 Minutes of Gameplay Footage [HD]‬‏[/ame]