The first one on the list should be the Borderlands for the Xbox 360. This is a long lasting action game which is the best

co-op gameplay the Xbox 360 has ever seen. This game has some unique features like finding loot, getting new talents and skills and powerful weapons. The first person shooter aspect of borderlands is also appreciated by many. FPS ensures that the hardcore gamers get a challenge and the RPG ensures that even the amateur players can enjoy the game. This game can be played with 4 people online and 2 people with a split screen. Hence Borderlands is considered one of the best co-op multiplayer games on the Xbox 360.

Borderlands Trailer :

Left 4 dead 2 is also one of the best Co-Op experience games on Xbox 360. This is an action game

where the main objective is to kill the zombies. In the game, the world is seen to be infected with a deadly virus which turns people into flesh eating zombies. The players are the survivors who try to group up and survive the attack of the zombies. Like the game Borderlands, this game too is very good for multiplayer as there are several challenges which need to be met cooperatively.

Left 4 Dead Trailer (not for kids):

The other choice would be to go for the Call of Duty: modern Warfare 2. This game has been setting new console games sale records and hence is on the peak of the list of top 10 Xbox console games for Christmas 2009. This is a war game where Russia is put up against America and allied nations and involves an elite and special task force including features like first person shooting, solo campaigns, multi-player special operations and online rivalry. If the person who will be receiving the gift is really competitive, this is the ideal game. This is a multi player game which is intense, fast and allows the players to earn different types of medals. This also includes challenges, rankings for the rights earned, new perks, weapon attachments and side arms.

Call of Duty: modern warfare 2 Trailer:

Apart from these games there are several other games which can be considered the best Co-Op experience game on the Xbox 360. They include games like Gears of War, Halo 3 and Rainbow Six Vegas 2. All these provide a great Co-op experience on the Xbox 360.