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