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