Here is the full list of all 90 Coin Crypt achievements.
Beat Loonie
Defeat 2 Anubises
Defeat 2 Prodigies
Get to the bottom of the mountain
Enter the forge
Get to world 3 in the crypts
Gain entry to Sea World
Beat 3 Cardinals
Beat the Gold Idol
Beat the Sorceress
Get the Gods' reward
Donate $500 total to Kaichin
Beat the Ghost King
Donate $500 total to Sacagawea
Find 50 Doubloons
Defeat 3 Angels
Beat 3 Piggy Banks
Attempt 50 runs
Earn $25,000 in one run
Donate $500 total to Frank
Discover 30 types of enemies
Give 10 status effects to enemies
Find 7 Chaos Chips
Discover 80 coins
Gain entry to Sky World
Beat 3 Undeads
Use 10 wishing wells
Get 10 ghost blessings
Defeat 3 Lost Kids
Unlock all classes
Find 20 Bramble Pieces
Beat the Mega Ectoplasm
Find 3 Cryptcoins
Beat 3 Rogues
Unlock 9 classes
Beat 3 armors
Earn $15,000 in a single run
Get to world 3
Beat 3 Musicians
Beat 3 Ectoplasms
Enter the Crypts
Get to world 2 in the crypts
Get to world 2
Clear the first level
Beat the game with 10 classes
Climb the mountain 10 times
Beat all 3 secret bosses and finish a run
Beat the forge 10 times
Discover all coins
Discover all enemies
Donate $500 total to Bullion
Donate $500 total to Ouguiya
Donate $500 total to Loonie
Donate $10,000 total to deities
Find 10 hidden chests
Beat a Corruptor
Beat the Tycoon
Beat the Queen
Beat the Lootmaster
Beat the Archbishop
Beat the Shadomega
Beat Bullion
Beat Sacagawea
Beat Kaichin
Beat Ouguiya
Beat Frank
Beat the game with every class
Collect all secrets
Beat 3 Old Explorers
Beat 3 Grandmas
Unlock ALL classes
Donate $500 total to Rubo
Find 5 secret chests in crypts
Deal 200 or more damage in a single strike
Have your maximum HP exceed 30
Win a run without dealing any damage
Defeat 3 Swabbie Spirits
Defeat EVERY enemy
Collect EVERY coin
Beat the game with EVERY class
Collect ALL secrets