The Riptor Add-on for Killer Instinct has 14 achievements worth 150 gamerscore.
Win a versus match as Riptor
Win 20 ranked matches with Riptor
Win a Ranked Match as Riptor
Win an exhibition match vs a friend as Riptor
Reach 80 Fight Challenges with Riptor
Complete 200 matches as Riptor
Reach 150 Fight Challenges with Riptor
Reach 30 Fight Challenges with Riptor
Defeat 10 opponents in one Survival as Riptor
Defeat 6 different characters in online matches as Riptor
Unlock a color for Riptor
Earn a supreme Victory in an online match as Riptor
Win a survival match as Riptor
Land 3 Flame Attacks and 3 Tail Swipes while in Riptor's Instinct Mode