Enemy Territory: Quake Wars

The concept of playing well with others extends to all aspects of Enemy Territory: Quake Wars, which shares not only its title with the popular online game Wolfenstein Enemy Territory, but also its development team at Splash Damage.

Single-player literally doesn't exist: no bots appear to fill in for missing humans, and even the training levels take place in a multiplayer space. Splash Damage's Paul Wedgwood calls Quake Wars a "pure multiplayer game," noting that "nobody complains about World of Warcraft not having a single-player offline component."