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