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