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