Here is the full list of all 59 Godhood achievements.
Finish the first island
Unlock an upgrade on any building in a single game
Win a side boss mission
Gather all sunstones and rise to absolute Godhood
Raise one stat of a Disciple to rank S
Unlock all available classes in a single game
Fill a Disciple's mind with level 3 abilities only
Finish a game with all nodes cleared
Consume 6 points for a single dream
Build all available buildings in a single game
Gather 500 offerings in a single sacrament
Win a boss mission with maximum Martyrdom
Finish a game without losing once
Finish an advanced Island without completing a single repeatable mission
Discover all relics and complete your collection
Perform 5 miracles with a single acolyte
Have at least one acolyte of each element in your roster simultaneously
Spend 500 offerings in a single turn
Win a mission using one class only
Defeat the boss in every island once
Unlock every tenet once
Unlock every tradition once
Finish a game without unlocking any class with materials.
Finish a game using classes from 3 elements only
Finish a game using classes from 2 elements only
Finish a game using the Greed Commandment
Finish a game using the Generosity Commandment
Finish a game using the Peace Commandment
Finish a game using the War Commandment
Finish a game using the Lust Commandment
Finish a game using the Chastity Commandment
Finish a game using the Madness Commandment
Achieve Truth using the Greed Commandment on Hard or Impossible difficulty
Achieve Truth using the Generosity Commandment on Hard or Impossible difficulty
Achieve Truth using the Peace Commandment on Hard or Impossible difficulty
Achieve Truth using the War Commandment on Hard or Impossible difficulty
Achieve Truth using the Lust Commandment on Hard or Impossible difficulty
Achieve Truth using the Chastity Commandment on Hard or Impossible difficulty
Achieve Truth using the Madness Commandment on Hard or Impossible difficulty
Finish a game using all Commandments
Achieve Truth using all Commandments on Hard or Impossible difficulty
Upgrade a Songsmith to level 5
Upgrade a Guardian to level 5
Upgrade a Charlatan to level 5
Upgrade a Weaver to level 5
Upgrade a Harbinger to level 5
Upgrade a Cultist to level 5
Upgrade an Executioner to level 5
Upgrade a Druid to level 5
Upgrade a Beast Walker to level 5
Upgrade a Cook to level 5
Upgrade a Lust Priest to level 5
Upgrade a Zealot to level 5
Upgrade a Smitesword to level 5
Upgrade an Ascetic to level 5
Upgrade a Rage Prophet to level 5
Upgrade a Chieftain to level 5
Upgrade an Ambassador to level 5
Upgrade every class to level 5 once