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