Here is the full list of all 31 Thea: The Awakening achievements.
Have 30 or more kids.
Play for a total of 1000 turns.
Attract a Demon by constructing the appropriate building.
Unlock a god.
Unlock all crafting recipes.
Complete 100 non-food crafting recipes.
Have population of 40 or more.
Win 50 5-skull challenges.
Unlock all construction recipes.
Attract a Goblin by constructing the appropriate building.
Attract a Beast by constructing the appropriate building.
Win the game.
Win a 5-skull challenge.
Complete 10 non-food crafting recipes.
Attract a Human by constructing the appropriate building.
Unlock all gods.
Unlock all levels on a god.
Unlock all levels on all gods.
Unlock all gathering resources.
Win the game in less than 100 turns.
Win the game on 210% difficulty or more.
Attract an Orc by constructing the appropriate building.
Attract an Elf by constructing the appropriate building.
Attract a dwarf by constructing the appropriate building.
Win by Domination Victory.
Survive 300 turns on Lord of Thea difficulty (250%+).