Here is the full list of all 21 CHKN achievements.
3 Creatures Bred
Kill 10 Creatures with a Slingshot
Cooked some food
Crafted a tool
10 Creatures Tamed
10 Creatures Created
10 Rocks Broken
50 Trees Cut Down
10 Creatures Killed
Set Something on Fire
Crafted a torch
Tamed a creature
Used a whistle
Slept in bed
Increase the Life Shaper's Build Limit
Broke an egg
You know how to eat.
Fed a creature
Cut down a tree
Rode a creature
Created a creature