Ah okay, got it. I'm doing good so far at completing all of the achievements. Here's the list of the ones I still need to complete (Outside of the secrets.)
1 Defeat - 2
You're the Monster - Defeated a friendly enemy. (I have no idea how to do it )
Spectral Buffet - Devour 100 enemies.
2 Item - 1
Master of All - Had every curse and upgrade active at the same time!
3 Milestone - 3
Getting the hang of it - Made it to floor 30
Ascend into madness - Made it to floor 50
No exit in sight - Made it to floor 100
4 Completionist - 7
Heart of Violet - Reach the max health of 300.
Gallery Enthusiast - See every painting.
Wand of Amethyst - Max out the Wand's power.
Ghost Lover - Befriend every enemy that can be befriended.
Ghost Charcuterie - Eat every enemy that can be eaten.
Ultimate Knowledge - Filled out the entirety of the Ghostiary.
Thousandarie - Had $10.000 Gold at once in one run
5 Skill - 1
Bonk - Get hit by a chair 100 times.