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