Win classic fight 1: Ali vs Frazier on hard difficulty

In classic fight 1: Ali vs Frazier (as Ali), take fewer than 20 punches from Frazier in any given round and go on to win

Win classic fight 2: Duran vs Leonard on hard difficulty

Win classic fight 3: Leonard vs Hagler on hard difficulty

Win classic fight 4: Robinson vs Lamotta on hard difficulty

Win classic fight 5: Pryor vs Arguello on hard difficulty

Win classic fight 6: Ali vs Norton on hard difficulty

Win classic fight 7: Marciano vs Moore on hard difficulty

Win classic fight 8: Holmes vs Norton on hard difficulty

Win classic fight 9: Patterson vs Johansson on hard difficulty

Win a fight in Slugfest mode, fighting against an opponent in the same weight division

Win a fight in Slugfest mode, fighting against an opponent in a higher weight division

Win a fight in Slugfest mode, fighting as a lightweight against a heavyweight, on hard difficulty

Win a fight in Exhibition mode [Rounds set to 10 or greater]

Win a fight in Exhibition mode within the first round [Rounds set to 10 or greater]

Win a fight in Exhibition mode that goes the distance [Rounds set to 10 or greater]

Get your first knockout victory in Career mode

Get 10 knockout victories in Career mode

In Career mode, have all of your stats be 75 or above at the same time

In Career mode, have all of your stats be 95 or above at the same time

Complete every task in the final interactive training session [session 10] in career mode

Break through to the top 10 in Career mode

Break through to the top 5 in Career mode

Reach rank 1 in Career mode

In Career mode as a lightweight, defeat the champ to claim the title

In Career mode as a middleweight, defeat the champ to claim the title

In Career mode as a heavyweight, defeat the champ to claim the title

In Career mode, defend the title against all challengers (in any weight division) to become the Greatest of All Time

In Career mode, win a fight by stoppage, due to a bad cut

In Exhibition mode, connect with 20 punches on an opponent without being hit yourself

Knock down an opponent without depleting their health bar, in Career mode

In Exhibition mode, knock down an opponent while in an orthodox stance as well as a southpaw stance, within any single round

In an Exhibition mode fight, land 200 punches before the 5th round

In Exhibition mode, deplete your opponent's stamina bar

In an Exhibition mode fight, kneel down to recover some health, then go on to win

In Exhibition mode, get up from a knockdown before the count reaches 4 seconds

In Exhibition mode, win a fight without blocking

In Career mode, defend the title against all challengers (in any weight division) playing as a secret character