Here is the full list of all 66 Pierhead Arcade achievements.
Win a gold bear
Score 20 baskets in one game
Score 30,000 points in one game
Score 5,000 points in one game
Score 100 points in one game
Score 700 points in one game
Score 400 points in one game
Score 200 points in one game
Score 1,200 points in one game
Score 1,000 points in one game
Score 500 points in one game
Score 250 points in one game
Score 160 points in one game
Score 80 points in one game
Score 4,000 points in one game
Score 10,000 points
Score 1,000 points
Score 100 points
Score 750 points
Score 250 points
Score 150 points
Score 60 points
Score 300 points
Now put it in the trash can
Win a blue bear
Win a pink bear
Win a green bear
Score 90 baskets in one game
Score 75 baskets in one game
Score 50 baskets in one game
Score 1,000,000 points in one game
Score 500,000 points in one game
Score 100,000 points in one game
Score less than -500 points
Score 12,000 points in one game
Score 10,000 points in one game
Score 8,000 points in one game
Score 900 points in one game
Score 800 points in one game
Score 300 points in one game
Score 21,000 points in one game
Score 15,000 points in one game
Score 3,200 points in one game
Score 2,600 points in one game
Score 2,000 points in one game
Score a hoop from 8 meters away
Bowl the perfect game
Score 50 points
Score 25 points
Get 3 strikes in a row
Score 40,000 points
Play 800 games
Score 4000 points
Score 2000 points
Score 15,000 points
Score 6,000 points
Score 3,000 points
Score 1,500 points