In career mode, you start out in the amateur ranks and move your way up to professional. While in the amateur ranks, you gain a rival who follows you to the pros and challenges you to fights along your way to the top.
In repeat history, you try to repeat the outcome of famous fights. In change history, you try to turn the tides at a crucial point in the fight. In make your own history, you try challenges against legends and soon to be legends of boxing. The more challenges you complete, the more money you make.
If you like boxing, then this game is for you.