Here is the full list of all 13 NBA Playgrounds achievements.
Execute 50 alley-oops
Score from your backcourt without using a lottery pick
Score 150 three-pointers
Unlock the first 150 players
Activate 5 Lottery Picks in the same game
Unlock all tournament challenges
Win all 6 initial tournaments
Score 100 dunks
Reach gold level with one player
Unlock the first 100 players
Unlock the first 50 players
Score at the last second
Win your first game