Borderlands 2 best coop game in the history of gaming !

Borderlands 2 allows players to complete a campaign consisting of central quests and optional side-missions as one of four treasure seekers, Vault Hunters, on the planet Pandora. Key gameplay features from its predecessor, such as online collaborative campaign gameplay, randomly generated loot, such as weapons and shields and character-building elements commonly found in role-playing video games are in Borderlands 2