Here is the full list of all 21 Angvik achievements.
Win the game with the randomized option at 1 star difficulty.
Win with the King as your father.
Hatch 10 birds from their eggs!
Hatch a bluebird from an egg.
Meet Helena!
Find your son.
Hatch a galah from an egg.
Hatch a budgie from an egg.
Get past the first level.
Hatch a cockatiel from an egg.
Win with a lancer as your father.
Win with a shepherd as your father.
Win with a paladin as your father.
Win with a bottler as your father.
Win with a peasant as your father.
Win the game with the randomized option at 2 star difficulty.
Win the game with the randomized option at 3 star difficulty.
Win the game with the randomized option at 4 star difficulty.
Win the game with the randomized option at 5 star difficulty.
Hatch a crow from an egg.
Hatch a rosella from an egg.