Here is the full list of all 21 CHKN achievements.
Created a creature
Rode a creature
10 Creatures Tamed
10 Creatures Killed
Cooked some food
Crafted a torch
Cut down a tree
You know how to eat.
Tamed a creature
Fed a creature
Broke an egg
Used a whistle
Slept in bed
Crafted a tool
10 Creatures Created
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