The "Frenemies" Character Pack Add-on for Guacamelee! Super Turbo Championship Edition has 5 achievements worth 200 gamerscore.
Defeat Javier Jaguar as Uay Chivo in an un-nerfed one-on-one rematch
Defeat the Great Temple's two Lightning Skeleton arenas on Hard, in co-op (or as Jaguar)
Mourn the loss of the Alebrije while playing as X’Tabay
Snatch, grab and collect 5,000 pesos as Flame Face
Defeat an arena with at least 2 players