
- Who
- WWII Online: Blitzkrieg
- What
- first
- Where
- ()
- When
In June 2001, servers went online capable of accommodating thousands of players across a massive scale map of Europe, either on foot, in vehicles or in the air, making WWII Online: Blitzkrieg the first massively multiplayer online war game.
Guinness World Records Gamers' Edition 2009.