Here is the full list of all 39 Paw Paw Paw achievements.
Die 100 times
Spend 500,000 foods
Play co-op
Play co-op with 4 Players
Recruit 50 companions
Reach max level on a character
Ride 100 mounts
Have 100,000 foods
Throw 100 bombs
Break 500 chests or barrels
Unlock 20 legendary weapons
Defeat 1,000 enemies
Unlock 50 weapons
Break into the castle
Complete the story mode
Defeat King Bunnylord III
Defeat Gragal
Defeat Root
Reach level 10 on a character
Drink 100 potions
Ride the Skywhale
Defeat Warden
Roll 1,000 times
Survive The Pit
Defeat The Dark Knights
Get into the city
Hit 10 innocent bystanders
Defeat Worm
Defeat Aegel
Skate off the avalanche
Defeat Baby God
Reach level 5 on a character
Unlock Welu
Defeat Grillz
Unlock Obek
Defeat Big Bad Pug
Unlock Doggu
Push the payload
Unlock Domba