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