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.

how do i find the local folders? 

Alrighty, though I do have a question for "Prove your worth" By that does it mean Hardcore with Save Deletion + the 3 challenges offered to you outside of the mansion. Cause if so. That's gonna be a death wish

This took place in the Dilapidated Halls, adn I presume the other Secret Achievement takes place there. I assumed that the Drill was required but when I kept digging through wall per wall, my game crashed ;-;