Here is the full list of all 15 Battle Ball achievements.
Get your first knockout
Get 25 knockouts
Get 100 knockouts
Get 250 knockouts
Get 500 knockouts
Did you even read how to play?
Win a game
Win 10 games
Win 25 games
Win 50 games
Unlock all customization options
Wear Jake's favorite outfit
Unlock a dad hat
View the credits
Get every other achievement