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