How Do I Unlock All The Duellists For The Yu-Gi-Oh! Ultimate Masters World Championship 2006?

You always unlock one of your enemies at the Yu-Gi-Oh! Ultimate Masters World Championship Tournament 2006 by beating all your rival duellists in a level once in one of the levels of the game. In other words, you must beat each of the duellists once in one level to unlock one enemy.

On the other hand, you always unlock two of your enemies at the Yu-Gi-Oh! Ultimate Masters World Championship Tournament 2006 by beating all your rival duellists in a level thrice each in one of the levels of the game. In other words, you must beat each of the duellists three times in one level to unlock two enemies.

You can also unlock two of your enemies at the Yu-Gi-Oh! Ultimate Masters World Championship Tournament 2006 by beating all your rival duellists in a level five times each in one of the levels of the game. In other words, you must beat each of the duellists five times in one level to unlock two enemies.