Binding of Isaac: Rebirth Wiki
Binding of Isaac: Rebirth Wiki

The Missing Poster is an unlockable trinket.


  • Removed in Afterbirth If Isaac dies to the center spikes in a Sacrifice Room while holding it, a particular puzzle piece will be displayed as the cause of his death on his last will.
  • Added in Afterbirth Dying in a Sacrifice Room while holding it will unlock The Lost The Lost. Isaac does not have to die to the center spikes.
  • Added in Afterbirth If Isaac dies while holding this trinket and has already unlocked The Lost, he will be revived in the previous room as The Lost and Missing Poster will be consumed.
    • This counts as a free extra life for The Lost.
    • Added in Repentance If Tainted Lost Tainted Lost dies while holding the trinket, he does not become the normal Lost and is revived as is.
      • Other tainted characters will still revive as the normal Lost.


  • None of the effects will occur during any Challenges.
    • Added in Repentance You can still respawn as The Lost The Lost if unlocked.
  • Added in Afterbirth Missing Poster has the lowest priority of all resurrection items.
  • Added in Afterbirth The Lost will not be unlocked if the player is in a Victory Lap or RERUN.
  • Added in Afterbirth / Removed in Repentance Even if 15►Holy Mantle Holy Mantle has been unlocked as one of The Lost's starting items, if any character dies while holding the Missing Poster, The Lost will not hold the Holy Mantle upon revival.
    • Added in Repentance Due to The Lost's rework in Repentance, his passive Holy Mantle trait carries over to Missing Poster as well, making it much safer to utilize.
  • Added in Afterbirth † If Gulp!, 15►Smelter Smelter, or 15►Marbles Marbles were used to absorb the poster, its effects will apply and can be used to unlock The Lost and respawn (but the effect still only applies once).
  • If Isaac teleports out of the Sacrifice Room before dying, The Lost will not be unlocked.

Puzzle Pieces Removed in Afterbirth[]

  • The puzzle piece will belong to one of four jigsaw puzzles. To which one is indicated by a tiny grey symbol to the top left of the piece.
    • The symbol can either be a pixel, a 2x2px square, a 3x3 px square, or four pixels arranged like a plus-sign.
  • Each jigsaw puzzle displays an altered last will for the characters Isaac Isaac, Magdalene Magdalene, Judas Judas, or Azazel Azazel respectively.

In-game Footage[]

Note that this footage only applies to the Rebirth version of this trinket and does not show the changes made to it in Afterbirth.

Unlockable Achievements[]


  • The first scenes in Ending 15 and Ending 17 show The Missing Poster pinned to a utility pole, with a silhouette of Isaac's mother who seems to be searching for Isaac in the background.
  • There are many puzzle pieces in total. Assembling all of the jigsaw puzzles and figuring out what they meant was initially designed to be a collaborative effort of the community. As such, Edmund and Tyrone had openly expressed disappointment towards the datamining.
  • The unlock pop-up of Missing Poster calls it "Lost Poster". Unknown if it's a mistake or a hint.


Note that achievements are disabled when using seeds.

PC 38JD 9HNG (Curse room adjacent to spawn, drops after clearing the room) (doesn't work in repentance)

Switch Hard mode only OBZH H2Y0 (Missing Poster in a Slot Machine in Flooded Caves II, Sacrifice Room in Necropolis II, both floors have Curse of The Lost)


External links[]

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