Accomplish the indicated achievement to get the corresponding number of Gamerscore points:

Iced Out (50 points): Upgrade 1 JAM Challenge to Diamond level.
Arena Vet (25 points): Earn 10 total Arena Medals.
Platinum Plus (25 points): Upgrade 3 JAM Challenges to Platinum level.
Shot Caller (25 points): Reach Level 25.
Thanks for the Love (15 points): Watch the Credits until the end.
Half-Time (15 points): Win 60 different Road Trip games.
Road Trippin (20 points): Complete Road Trip.
If You Wanna Be a Baller (5 points): Reach Level 5.
Jam Sesh (5 points): Participate in 5 JAM Now games.
Razzle Dazzle (5 points): As a team, sink 5 Razzle Dazzle shots in Road Trip or Online Arena.
Bronzed Out (5 points): Upgrade 5 JAM Challenges to Bronze level.
Arena Noob (5 points): Earn 1 Arena Medal.