Here is the full list of all 31 多比大冒险(Doobi's Adventure) achievements.
Talked to Doomi for the first time.
Compelted adventure for the first time
Talked to grandpa for the first time
gathered soul stones for the first time
Entered post game
Killed 1000 enemies
Killed 50000 enemies
Killed 1000000 enemies
Dealt 1000000000 damage
Killed the Snake
Killed a boss under 10 seconds
Complete a minimum 300-kill statue mission
Reach Level 10
Reach Level 20
Reach Level 40
Reach Level 60
Reach Level 99
Survive for at least 30 minutes
Survive for at least 60 minutes
Fully Upgraded Shadow Warrior
Fully Upgraded Joy
Fully Upgraded Pop Soda
Fully Upgraded Cooling Spray
Fully Upgraded Doobi Power
Fully Upgraded Floral Sea
Fully Upgraded Marble
Fully Upgraded Fan
Fully Upgraded Long Long Fish
Fully Upgraded Umbrella
Fully Upgraded Jade Pedant
Fully Upgraded Jump Rope