The Gargos Add-on for Killer Instinct has 14 achievements worth 150 gamerscore.
Win a survival match as Gargos
Reach 30 Fight Challenges with Gargos
Defeat 6 different characters in online matches as Gargos
Unlock a color for Gargos
Earn a supreme Victory in an online match as Gargos
Win an exhibition match vs a friend as Gargos
Break two combos using Eruption in a single match while in Gargos’ Instinct Mode
Win a versus match as Gargos
Win 20 ranked matches with Gargos
Defeat 10 opponents in one Survival as Gargos
Complete 200 matches as Gargos
Reach 150 Fight Challenges with Gargos
Reach 80 Fight Challenges with Gargos
Win a Ranked Match as Gargos