For Pokemon trainers who don't want to play solo, these games let you catch 'em all with (or against) your friends in ...

Mike Booth, who created one of the best co-op shooters of all time, Left 4 Dead, is working on a new project based on the same foundations.

The creator of Left 4 Dead, Mike Booth, has revealed he's working on a new four-player co-op title with Bad Robot Games.