Here is the full list of all 13 NBA 2K Playgrounds 2 trophies - there are 9 bronze, 3 silver and 1 gold.
Score 33 or more points in a single round of a 3 point contest
Buy 25 packs of any kind
Win the NBA Season with 1 team from each conference
Win NBA Season for the first time
Reach Playoffs in NBA Season for the first time
Score 20 Double Alley-Oops
Improve one legendary player to Gold level
Score 20 Self Alley-Oops
Buy 1 pack of any kind
Suit up a player with 1 vanity item
Activate Hot Streak by scoring 4 consecutive shots
Reach user level 50
Win NBA Season on NBA difficulty