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