Here is the full list of all 68 Bing in Wonderland achievements.
Unlock All Outfits
Pass the boss mode: Fancy
Unlock All Items
Unlock All Wisdoms
Played 10 hours
Scare the NPC who helps you out
Coin Wisdom
Pass the boss mode: Danger upgrade
Unlock All Enemies
Beat Elder Elder Elder Monkie
Beat Sea Monkie Home
Beat Longer Bug
Beat Thunder Reese EX
Beat Cooked Fish King
Beat Rider Pro
Die in the start scene
Pass the boss mode: Little fight
Beat Final Boss
Unlock All Food
Get Niddle
Unlock All Burn Nann Options
Played 5 hours
Unlock All Weapons
The number of quest completed reaches 80
The number of quest completed reaches 75
Beat scarecrow
Get 2000 Nanns
The number of quest completed reaches 70
The number of quest completed reaches 65
Beat Yiiiii
Beat Foot
Beat Radish
The number of quest completed reaches 60
Beat a boss with 100% hp
Get a lv3 ult
Get Tai Mountain
The number of quest completed reaches 55
Played more than 2 hours
Get 4000 coins
Get 3 Hate Dots
The number of quest completed reaches 50
Beat Elder Elder Monkie
Get 10 butt slap combo
Beat Doozie
Beat Monkie
Complete a battle with hp lower than 10%
Beat Giant Anemone
Beat Greatos
The number of quest completed reaches 35
The number of quest completed reaches 40
The number of quest completed reaches 45
Beat Long Bug
Get diarrhea
Get an item from Switch Game
The number of quest completed reaches 30
Beat Giant Monkie
Keep steping the lantern in the start scene
The number of quest completed reaches 25
Kill 200 fishes
Complete Heat Mode
The number of quest completed reaches 20
Beat Fish King
The number of quest completed reaches 11
The number of quest completed reaches 15
Get 1000 hits
Beat Rider
Get 5 butt slap combo
Complete tutorials in start scene