NBA 2K8
50 Achievements
1000
Xbox 360
Online Tournament Game
Achieved by completing an online tournament game.
15
How to unlock the Online Tournament Game achievement in NBA 2K8 - Definitive Guide
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TrueAchievements
TrueAchievements
Due to the XBox Live Game Modes no longer available on the 2K servers, this achievement is no longer possible. You can still get the 'Ranked Wins' achievements but not the league/tournament ones.
killlah631
The same as the league game, although this time you need to join an online tournament and complete a game, win or lose.