Here is the full list of all 90 Coin Crypt achievements.
Defeat 2 Anubises
Donate $500 total to Rubo
Get 10 ghost blessings
Gain entry to Sea World
Beat the Tycoon
Donate $10,000 total to deities
Gain entry to Sky World
Beat the Gold Idol
Beat the Archbishop
Use 10 wishing wells
Give 10 status effects to enemies
Earn $25,000 in one run
Defeat 3 Lost Kids
Unlock all classes
Beat 3 Cardinals
Beat the Lootmaster
Donate $500 total to Kaichin
Beat the Ghost King
Donate $500 total to Sacagawea
Beat 3 Old Explorers
Donate $500 total to Loonie
Donate $500 total to Frank
Donate $500 total to Ouguiya
Find 7 Chaos Chips
Donate $500 total to Bullion
Discover 30 types of enemies
Find 3 Cryptcoins
Beat 3 Piggy Banks
Get to world 3 in the crypts
Discover 80 coins
Beat the Queen
Beat 3 Grandmas
Get the Gods' reward
Earn $15,000 in a single run
Beat the Mega Ectoplasm
Enter the Crypts
Get to world 2 in the crypts
Unlock 9 classes
Clear the first level
Find 50 Doubloons
Find 20 Bramble Pieces
Beat 3 Ectoplasms
Beat 3 Undeads
Beat 3 armors
Beat 3 Musicians
Beat 3 Rogues
Attempt 50 runs
Get to world 3
Get to world 2
Beat the game with 10 classes
Climb the mountain 10 times
Beat all 3 secret bosses and finish a run
Enter the forge
Get to the bottom of the mountain
Beat the forge 10 times
Discover all coins
Discover all enemies
Find 10 hidden chests
Beat a Corruptor
Beat the Sorceress
Beat the Shadomega
Beat Bullion
Beat Sacagawea
Beat Kaichin
Beat Ouguiya
Beat Loonie
Beat Frank
Beat the game with every class
Collect all secrets
Unlock ALL classes
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 Angels
Defeat 3 Swabbie Spirits
Defeat 2 Prodigies
Defeat EVERY enemy
Collect EVERY coin
Beat the game with EVERY class
Collect ALL secrets