Longest delay for an online game sequel
- Quién
- Team Fortress (Valve Corporation, 1999–2007)
- Cuándo
- 01 January 0001
The online shooter series with the longest delay between entries is Team Fortress, which had an 11-year gap between the first game, released in April 1999, and the second, which came out in 2007.
Featured in Guinness World Records Gamer''s Edition 2010