In Punch Club, you play as a boxer trying to make his name in the ring, and in unlicensed fights. And you fight mutant alligators. But while it may seem like a boxing game, it's really not. It has more in common with tycoon games, and the old Dope Wars games that came out around the turn of the century.
You essentially have to manage your sleep/energy/hunger/etc while making sure you have enough time to get to matches, and making sure you have enough money to do what you need to do. You can select the stats you want to improve by the different exercises at the gym, and...