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