Here is the full list of all 27 NBA JAM trophies - there are 6 bronze, 14 silver, 6 gold and 1 platinum.
Unlock all other Trophies
Win a ranked game online
Win 10 ranked games online
Win an online ranked game while leading after each quarter
Win a Classic or Remix game without letting the opposing team score
Play a ranked game online
Score 50% of your team's points while only shooting three pointers
Break the backboard in a Classic or Remix game with an alley oop!
Make 5 layups in a row without getting blocked
Win a game with a layup buzzer beater
Hit a buzzer beater while on fire
Keep yourself or your teammate on fire until it exhausts by making 5 or more unanswered baskets
Beat the Beastie Boys in Remix Campaign
Beat Backboard Smash in under 2 minutes
Beat the CPU by doubling their score in a Classic 2v2 or Remix 2v2 game
Beat the CPU by tripling their score in a Classic 2v2 or Remix 2v2 game
Defeat the Atlantic Division Legend Team in Classic Campaign
Defeat the Central Division Legend Team in Classic Campaign
Defeat the Northwest Division Legend Team in Classic Campaign
Defeat the Pacific Division Legend Team in Classic Campaign
Defeat the Southeast Division Legend Team in Classic Campaign
Defeat the Southwest Division Legend Team in Classic Campaign
Defeat the hidden boss after completing Classic Campaign
Face the hidden boss after Classic Campaign with a team from each division in the Eastern Conference
Face the hidden boss after Classic Campaign with a team from each division in the Western Conference
Face the hidden boss after Classic Campaign with a team from each division
While losing by one point, go up for a game winning dunk and have time expire. You lose!