Here is the full list of all 24 Dragon's Wake achievements.
Eat food off the ground
Grow larger
Make a friend
Find your mother
Give the kid a ride
Retrieve the green dragon egg
Defeat the goblin chief
Save a friend
Hatch the egg
Give up your ability to breathe fire
Reach the surface with the green dragon
Destroy the black knight
Eat a creature before it hits the ground
Eat food while at full health
Stay in the air for 10 seconds
Kill a mouse with a direct hit from a fireball
Kill 50 enemies with fire
Eat 20 Goblins
Kill 50 undead enemies
Bite a ghost skeleton out of the air
Smash 10 pieces of masonry
Kill an enemy by dropping a stone on them
Increase all abilities to maximum
End the game with no other dragons in your group