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