Mr. ME!

Effects

Summons a ghost near Isaac that will follow him around, and summons a controllable blue crosshair. After a few seconds, the crosshair disappears, and the ghost will act depending on what the crosshair was targeting:
- Items / Pickups / Trinkets / (Chest) Chests / (Red Chest) Red Chests / (Spiked Chest) Spiked Chests / (Added in Repentance) (Mega Chest) Mega Chests: Brings it to Isaac. Works in (Shop) Shops, (Devil Room) Devil Rooms and (Black Market) Black Markets as well, making them effectively free. Stealing an item has a 50% chance to fail. If that happens, a buzzer sound will play out and the ghost will disappear without doing anything.
- (Locked Chest) Locked Chests / (Eternal Chest) Eternal Chests / (Bomb Chest) Bomb Chests: Opens the chest for free.
- Buttons: Presses the button.
- Enemies: Attacks the enemy until it dies or can no longer be targeted due to a form change or similar cause. The ghost does 3 damage per tick, for 9 damage per second.
- Doors: Opens the door, even if it is locked. Functions the same as Dad's Key when being used in this way. This includes the door to (Mega Satan) Mega Satan, exiting (Hush) Hush's room, and exiting (Boss Rush) Boss Rush.
  - (Added in Repentance) This does not work on A Strange Door. However, it does work on doors leading to alternate path levels.
  - (Added in Repentance) This does not work on the flesh door leading to (Mom's Heart) Mom's Heart that appears after defeating (Mom) Mom in (Mausoleum) Mausoleum or (Gehenna) Gehenna.
  - (Added in Repentance) This does not work on the hidden closet in (Home) Home to unlock the tainted characters.
- (Secret Room) Secret Room entrances: Explodes, opening the entrance.
- Destructible obstacles, shopkeepers, angel statues, machines, and beggars: Explodes and destroys them.

Notes

(Removed in Repentance) Stealing an item from a shop will restock it with another item. This happens even if Isaac does not have Restock.
- (Added in Repentance) Stealing shop items will never restock them, even if Isaac does have Restock. This includes Greed Mode.
- (Added in Repentance) Stealing from a black market will not restock items, as they work like devil deals.
(Added in Repentance) Allows (The Lost) The Lost to take more than one devil deal.
If the crosshair is not targeting anything when the crosshair disappears, the ghost will interact with the object closest to the crosshair.
- This can be used to check for secret rooms on multiple walls at once.
If the room has nothing to interact with, the ghost will disappear without doing anything.
The ghost cannot pick up (Sticky Nickel) Sticky Nickels and will disappear upon touching them.
The ghost can press the button in Greed Mode, allowing waves to be stopped without taking damage.
The ghost can open chests in (Challenge Room) Challenge Rooms without triggering the room.
Unlike chests, stealing an item pedestal from a (Challenge Room) Challenge Room will trigger the waves to spawn upon picking up the stolen item.
In rooms with multiple pedestal items where only one can be taken, if the ghost is carrying a pedestal while Isaac picks up a different pedestal item, the ghost will disappear. This prevents taking both items for free.
Mr. Me can open the door to the (Mausoleum) Mausoleum / (Gehenna) Gehenna without paying hearts.
Using Mr. ME! with (Tainted Forgotten) Tainted Forgotten does not work as displayed. Mr. ME! will not follow the crosshair, instead it will target where the Forgotten is thrown.

Synergies

(Added in Repentance) Book of Virtues: Spawns a wisp that looks like a face in the middle ring. The wisp cannot shoot. If the current room is cleared, the wisps automatically move toward and unlock chests and special room doors, destroying themselves in the process. The wisps can open ANY locked doors, including the ones to (Mega Satan) Mega Satan, the Ascent, and (Corpse) Corpse. (Bomb Chest) Bomb Chests and (Mega Chest) Mega Chests are unaffected.

Interactions

BFFS!: Does not increase the ghost's damage when attacking enemies.
Car Battery: May sometimes glitch pedestal items, resulting in Isaac being unable to pick them up without leaving and re-entering the room. Otherwise has no effect.
Sack Head: If Mr. ME! successfully stole a consumable from the shop, there is a chance he will drop a sack instead.

Bugs

| (Bug) Bug! | If the (Devil Room) Devil Room or (Angel Room) Angel Room disappears after leaving it, using Mr. ME! will still attempt to unlock the doorway back to it. This allows you to move through the wall as if there were a door there, but you will not be able to enter the Devil Room or Angel Room. |

| (Bug) Bug! | (Removed in Repentance) If used while shooting with Marked, the crosshair will continue straight in the first direction Isaac shot at, and cannot be controlled until Marked is deactivated. |