Here is the full list of all 14 Aztech Forgotten Gods achievements.
Beat the game in less than two hours
Beat the game
Purchase all upgrades on the Central Workshop.
Shield enemy attacks 25 times
Complete every sidequest in the game
Get every outfit and hairstyle
Use Boost Rings 50 times
Defeat 15 minions with a finisher move
Defeat 20 minions
Use rails for a total of 180 added seconds
Wall jump off a boss 7 times
Talk to a woman, man, boy, girl, old woman and old man
Fly up to the vertical limit in Tenochtitlan
Live to fly. Fly to live. Do or die for 120 seconds without touching the ground