The Maya Add-on for Killer Instinct has 14 achievements worth 150 gamerscore.
Hit your opponent with 10 Dagger Strikes during Maya's Instinct
Reach 30 Fight Challenges with Maya
Defeat 10 opponents in one Survival as Maya
Unlock a color for Maya
Win a survival match as Maya
Win 20 ranked matches with Maya
Earn a supreme Victory in an online match as Maya
Defeat 6 different characters in online matches as Maya
Complete 200 matches as Maya
Win a versus match as Maya
Win an exhibition match vs a friend as Maya
Reach 150 Fight Challenges with Maya
Reach 80 Fight Challenges with Maya
Win a Ranked Match as Maya