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