Here is the full list of all 19 Beast Boxing Turbo achievements.
Win a fight without going into low stamina mode.
Win your first match as a beast boxer.
Pay for training at the gym.
Pick up 25 coins from the ground in Endless Mode.
Win a rematch against any opponent.
Win a round with less than 3% health remaining.
Win the Bush League Title.
Win the Pro League Title.
Win the Ultra League Title and become the Beast Boxing champion!
Upgrade all stats to level 20 by training in the gym.
Upgrade a stat to level 30 by training in the gym.
Spend 2000 coins on upgrades and gear.
Beat the game in Casual mode.
Beat the game in Normal Mode!
Jeez. Beat the game in Hardcore mode.
Win a fight using only jabs.
Win a fight using only one side to attack.
Win a fight without blocking
Win a fight without taking any direct hits.