Valve have officially announced a 17th November release date for Left 4 Dead 2.

There’s new game "adds melee combat to enable deeper co-operative gameplay, with items such as a chainsaw, frying pan, axe, baseball bat, and more".

The AI director has been improved and will now also procedurally change weather effects, world objects and ways through levels. There’ll be new survivors, campaigns and bosses.

Left 4 Dead was a huge hit with gamers across the world and has continued to be one of the most popular multiplayer games on the planet.