The 2005 Dee-Nee Tournament was played on May 21, 2005 at the Dee-Nee house. By virtue of the 2005 Dee-Nee Tournament Qualifier, the finalists are set.
- Gantry - 2004 Dee-Nee Tournament champion.
- Potsie - 2004 Dee-Nee Tournament runner-up.
- Sperling - 2005 Dee-Nee Tournament Qualifier
- Vitb6 - 2005 Dee-Nee Tournament Qualifier
- 2-game round robin
- Each player gets one choice of team in the round robin
- After choice of team, the other player chooses controller or seat
- RBI Baseball Drinking Game rules strictly enforced
- Top two teams play a best-of-three finals
- Potsie defeats Vitb6 2-0
- Gantry ties Sperling 1-1
- Gantry ties Potsie 1-1
- Vitb6 defeats Sperling 2-0
- Potsie defeats Sperling 2-0
- Gantry ties Vitb6
- Vitb6 (Boston) defeats Gantry (Detroit) 16-10
- Potsie 4-2
- Vitb6 4-3
- Gantry 3-3
- Sperling 1-5