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