NHL 2004 UNLOCKABLES
Dynasty mode 2 upgrade points
When you reach level 2 in your EA Sports Bio.
Commentators Deep voice
When you reach level 4 in your EA Sports Bio.
Big head mode
When you reach level 8 in your EA Sports Bio.
Dynasty mode 2 GM office rewards
When you reach level 12 in your EA Sports Bio.
Dynasty mode 3 Upgrade Points
When you reach level 18 in your EA Sports Bio.
Mile Wide Stadium
When you reach level 24 in your EA Sports Bio.
Commentators Chipmunk voice
When you reach level 32 in your EA Sports Bio.
Unlock EA Developers
Look at the credits screen in the game and choose any name from the EA development team. Enter that name at the create player option. The game will tell you that it has this player in its database, and automatically adjusts the stats and appearance accordingly.