Here is the full list of all 15 Dunk Lords achievements.
Play your first game of Dunk Lords.
Complete a full run of Gauntlet Mode.
Make 20 or more threes against the CPU in regulation. (Hard or higher difficulty)
Make 35 or more dunks against the CPU in regulation. (Hard or higher difficulty)
Dunk 3 times during one Mega activation against the CPU.
Defeat the giant lobster in Story Mode.
Complete Story Mode.
Score 70 or more points against the CPU in one game. (Hard or higher difficulty)
Complete a 4-player game of Dunk Lords.
Buy every piece of gear in the game at least once.
Play 100 games of Dunk Lords.
Win at least one game with every character against the CPU. (Hard or higher difficulty)
Uppercut a player out of an alley-oop.
Complete a full run of Gauntlet Mode without buying any items.
Complete Pro Story Mode.