Fighter Ace II was a massively multiplayer online computer game in which one flies World War II fighter and bomber planes in combat against other players and virtual pilots. Different arenas with different levels of realism were available for more experienced players. Fighter Ace appears to have borrowed heavily from its multiplayer dogfight predecessors, SVGA Air WarriorAir Warrior[/thing] and Warbirds. Source: Wikipedia, "Fighter Ace (video game)", available under the CC-BY-SA License.