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