Here is the full list of all 24 Dragon's Wake achievements.
Retrieve the green dragon egg
Kill 50 enemies with fire
Eat food while at full health
Grow larger
Eat food off the ground
Make a friend
Find your mother
Give the kid a ride
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
Stay in the air for 10 seconds
Kill a mouse with a direct hit from a fireball
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