Dad's Key is an unlockable activated item.
Effect[edit | edit source]
- Opens all closed doors in the current room.
Notes[edit | edit source]
- Dad's Key can:
- Unlock any lоcked dоor.
- Open any door that requires a bomb.
- Open Challenge Rooms and Boss Challenge Rooms without meeting their criteria.
- Open any door in The Chest, the Dark Room and The Void.
- This includes the door to the Mega Satan boss fight.
- Open the Boss Rush door from inside.
- Open Mini-Boss Room doors from inside.
- Open most Boss Room dоors from inside.
- Unlock the Downpour/Dross, Mines/Ashpit, and Mausoleum/Gehenna doors for free
- Dad's Key cannot:
- Open the Boss Rush door if the timer has already passed 20 minutes.
- Open the way to ??? if the timer has already passed 30 minutes.
- Unlock the door to Mom's boss room during her fight.
- Reopen the door to Mom's boss room after her fight
- Open Angel Rooms or Devil Rooms.
- Open chests.
- Open key blоcks.
- Open Challenge Room or Boss Challenge Room doors from inside.
- Open the exit door in Greed mode.
- Open the door to The Void during the Hush fight.
- Unlоck the door in The Depths II leading tо Mausoleum II.
- Open Ultra Secret Rooms.
- Unlоck Mom's closet at Home.
In-game Footage[edit | edit source]
Gallery[edit | edit source]
Trivia[edit | edit source]
- This item is used in The Family Man (challenge #19).
- Dad's Key may be a reference to Isaac's father leaving his mother, as it can be used to escape from almost any conflict.
Seeds[edit | edit source]
PC M390 0WAQ (Treasure Room adjacent to spawn)
PS4 JR88 9NJL (First Treasure Room, go right)
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