Completion Marks

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Completion Marks are earned by completing specific objectives in the Binding of Isaac: Rebirth. As you complete these objectives, the post-it note on the character select screen fills up with Completion Marks. If objectives are completed in Normal Mode, the Completion Marks are solid black. If objectives are completed in Hard Mode, the Completion Marks are outlined in red. If a Completion Mark is earned in Hard Mode without first earning it in Normal Mode, the game will count both the normal Mark and the hard mode Mark as unlocked. This means that completing a run in Hard Mode will earn you every secret along a particular path, while completing it in Normal Mode will cause you to miss the Mom's Heart unlock.

In the main game, there are 6 unique completion marks, and each one comes in two varieties, adding up to 12 marks in total. Afterbirth introduced 3 more, bringing the total to 17, as Greed Mode only has one mark. Afterbirth+ introduced 1 more, as well as an additional mark for Greed Mode, bringing the final total to 20. Each mark has a character-specific unlockable secret associated with it, and there are 6 secrets per character in the base game, while there are 10 in Afterbirth and 12 in Afterbirth+.

In the base game Mom's Heart/It Lives is the only boss that has a character-specific unlock if you beat it in Hard mode instead of Normal mode, with one exception - Godhead, which is unlocked by beating every boss in Hard mode with The Lost. Therefore, it is not necessary to earn every Hard Mode Completion Mark to achieve Platinum God, only every Hard Mode Heart Mark, with The Lost as an exception. In subsequent DLC, every character has a co-op baby that can be unlocked for earning all of their Completion Marks on Hard Mode.

Name Mark Hard Mode
Mark
Associated Boss Isaac
Unlock
Maggy
Unlock
Cain
Unlock
Judas
Unlock
???
Unlock
Eve
Unlock
Samson
Unlock
Azazel
Unlock
Lazarus
Unlock
Eden
Unlock
The Lost
Unlock
Added in Afterbirth
Lilith
Unlock
Added in Afterbirth
Keeper
Unlock
Added in Afterbirth †
Apollyon
Unlock
Added in Afterbirth †
The Forgotten
Unlock
Heart
Heart
Heart - Hard mode
Mom's Heart
or It Lives
Lost Baby
Lost Baby
Defeat Mom's Heart on hard mode as Isaac
Cute Baby
Cute Baby
Defeat Mom's Heart on hard mode as Magdalene
Glass Baby
Glass Baby
Defeat Mom's Heart on hard mode as Cain
Shadow Baby
Shadow Baby
Defeat Mom's Heart on hard mode as Judas
Dead Baby
Dead Baby
Defeat Mom's Heart on hard mode as ???
Crow Baby
Crow Baby
Defeat Mom's Heart on hard mode as Eve
Fighting Baby
Fighting Baby
Defeat Mom's Heart on hard mode as Samson
Begotten Baby
Begotten Baby
Removed in Afterbirth † Defeat Mom's Heart on hard mode as Lazarus
Added in Afterbirth † Defeat Mom's Heart on hard mode as Azazel
Wrapped Baby
Wrapped Baby
Removed in Afterbirth † Defeat Mom's Heart on hard mode as Azazel
Added in Afterbirth † Defeat Mom's Heart on hard mode as Lazarus
Glitch Baby
Glitch Baby
Defeat Mom's Heart on hard mode as Eden
-0- Baby
-0- Baby
Defeat Mom's Heart on hard mode as The Lost
Goat Head Baby
Goat Head Baby
Defeat Mom's Heart on hard mode as Lilith
Super Greed Baby
Super Greed Baby
Defeat Mom's Heart on hard mode as Keeper
Smelter
Smelter
Defeat Mom's Heart or It Lives! on hard mode as Apollyon
Marrow
Marrow
Defeat Mom's Heart or It Lives! on hard mode as The Forgotten
Cross
Cross
Cross - Hard mode
Isaac Isaac's Tears
Isaac's Tears
Defeat Isaac as Isaac
A Cross
A Cross
Defeat Isaac as Magdalene
A Bag of Pennies
A Bag of Pennies
Defeat Isaac as Cain
Guillotine
Guillotine
Defeat Isaac as Judas
The D6
The D6
Defeat Isaac as ???
Eve's Bird Foot
Eve's Bird Foot
Defeat Isaac as Eve
Bloody Lust
Bloody Lust
Defeat Isaac as Samson
Satanic Bible
Satanic Bible
Defeat Isaac as Azazel
Lazarus' Rags
Lazarus' Rags
Defeat Isaac as Lazarus
Blank Card
Blank Card
Defeat Isaac as Eden
Isaac's Heart
Isaac's Heart
Defeat Isaac as The Lost
Rune Bag
Rune Bag
Defeat Isaac as Lilith
Keeper holds Wooden Nickel
Keeper holds Wooden Nickel
Defeat Isaac as Keeper
Locust of Wrath
Locust of Wrath
Defeat Isaac as Apollyon
Slipped Rib
Slipped Rib
Defeat Isaac as The Forgotten
Star
Star
Star - Hard mode
Boss Rush Isaac's Head
Isaac's Head
Complete the Boss Rush as Isaac
Maggy's Bow
Maggy's Bow
Complete the Boss Rush as Magdalene
Cain's Other Eye
Cain's Other Eye
Complete the Boss Rush as Cain
Judas' Shadow
Judas' Shadow
Complete the Boss Rush as Judas
???'s Only Friend
???'s Only Friend
Complete the Boss Rush as ???
Eve's Mascara
Eve's Mascara
Complete the Boss Rush as Eve
Samson's Chains
Samson's Chains
Complete the Boss Rush as Samson
The Nail
The Nail
Complete the Boss Rush as Azazel
Missing No.
Missing No.
Complete the Boss Rush as Lazarus
Undefined
Undefined
Complete the Boss Rush as Eden
The D100
The D100
Complete the Boss Rush as The Lost
Immaculate Conception
Immaculate Conception
Complete the Boss Rush as Lilith
Sticky Nickels
Sticky Nickels
Complete the Boss Rush as Keeper
Locust of Conquest
Locust of Conquest
Complete the Boss Rush as Apollyon
Divorce Papers
Divorce Papers
Complete the Boss Rush as The Forgotten
Inverted Cross
Inverted cross
Inverted cross - Hard mode
Satan Mom's Knife
Mom's Knife
Defeat Satan as Isaac
Guardian Angel
Guardian Angel
Defeat Satan as Magdalene
A Bag of Bombs
A Bag of Bombs
Defeat Satan as Cain
Judas' Tongue
Judas' Tongue
Defeat Satan as Judas
Forget Me Now
Forget Me Now
Defeat Satan as ???
The Razor
The Razor
Defeat Satan as Eve
Blood Rights
Blood Rights
Defeat Satan as Samson
Daemon's Tail
Daemon's Tail
Defeat Satan as Azazel
Broken Ankh
Broken Ankh
Defeat Satan as Lazarus
Book of Secrets
Book of Secrets
Defeat Satan as Eden
The Mind
The Mind
Defeat Satan as The Lost
Serpent's Kiss
Serpent's Kiss
Defeat Satan as Lilith
Keeper holds Store Key
Keeper holds Store Key
Defeat Satan as Keeper
Locust of Pestilence
Locust of Pestilence
Defeat Satan as Apollyon
Pointy Rib
Pointy Rib
Defeat Satan as The Forgotten
Polaroid
Polaroid
Polaroid - Hard mode
??? The D20
The D20
Defeat ??? as Isaac
Celtic Cross
Celtic Cross
Defeat ??? as Magdalene
Cain's Eye
Cain's Eye
Defeat ??? as Cain
The Left Hand
The Left Hand
Defeat Ultra Pride or ??? as Judas
Fate
Fate
Defeat ??? as ???
Sacrificial Dagger
Sacrificial Dagger
Defeat ??? as Eve
Blood Penny
Blood Penny
Defeat ??? as Samson
Abaddon
Abaddon
Defeat ??? as Azazel
Store Credit
Store Credit
Defeat ??? as Lazarus
Mysterious Paper
Mysterious Paper
Beat ??? as Eden
The Body
The Body
Defeat ??? as The Lost
Cambion Conception
Cambion Conception
Defeat ??? as Lilith
Deep Pockets
Deep Pockets
Defeat ??? as Keeper
Locust of Famine
Locust of Famine
Defeat ??? as Apollyon
Jaw Bone
Jaw Bone
Defeat ??? as The Forgotten
Negative
Negative
Negative - Hard mode
The Lamb Missing Poster
Missing Poster
Defeat The Lamb as Isaac
Maggy's Faith
Maggy's Faith
Defeat The Lamb as Magdalene
Abel
Abel
Defeat The Lamb as Cain
Curved Horn
Curved Horn
Defeat The Lamb as Judas
???'s Soul
???'s Soul
Defeat The Lamb as ???
Black Lipstick
Black Lipstick
Defeat The Lamb as Eve
Samson's Lock
Samson's Lock
Defeat The Lamb as Samson
Demon Baby
Demon Baby
Defeat The Lamb as Azazel
Pandora's Box
Pandora's Box
Defeat The Lamb as Lazarus
Mystery Sack
Mystery Sack
Defeat The Lamb as Eden
The Soul
The Soul
Defeat The Lamb as The Lost
Succubus
Succubus
Defeat The Lamb as Lilith
Karma
Karma
Defeat The Lamb as Keeper
Locust of Death
Locust of Death
Defeat The Lamb as Apollyon
Brittle Bones
Brittle Bones
Defeat The Lamb as The Forgotten
Brimstone Added in Afterbirth
Brimstone
Brimstone - Hard mode
Mega Satan Cry Baby
Cry Baby
Defeat Mega Satan as Isaac
Red Baby
Red Baby
Defeat Mega Satan as Magdalene
Green Baby
Green Baby
Defeat Mega Satan as Cain
Brown Baby
Brown Baby
Defeat Mega Satan as Judas
Blue Baby
Blue Baby
Defeat Mega Satan as ???
Lil' Baby
Lil' Baby
Defeat Mega Satan as Eve
Rage Baby
Rage Baby
Defeat Mega Satan as Samson
Black Baby
Black Baby
Defeat Mega Satan as Azazel
Long Baby
Long Baby
Defeat Mega Satan as Lazarus
Yellow Baby
Yellow Baby
Defeat Mega Satan as Eden
White Baby
White Baby
Defeat Mega Satan as The Lost
Big Baby
Big Baby
Defeat Mega Satan as Lilith
Noose Baby
Noose Baby
Defeat Mega Satan as Keeper
Mort Baby
Mort Baby
Defeat Mega Satan as Apollyon
Bound Baby
Bound Baby
Defeat Mega Satan as The Forgotten
Cent Sign Added in Afterbirth
Cent sign - Greed mode
Added in Afterbirth †
Cent sign - Greed mode
Added in Afterbirth
Ultra Greed Lil' Chest
Lil' Chest
Defeat Ultra Greed as Isaac
Censer
Censer
Defeat Ultra Greed as Magdalene
Evil Eye
Evil Eye
Defeat Ultra Greed as Cain
My Shadow
My Shadow
Defeat Ultra Greed as Judas
Cracked Dice
Cracked Dice
Defeat Ultra Greed as ???
Black Feather
Black Feather
Defeat Ultra Greed as Eve
Lusty Blood
Lusty Blood
Defeat Ultra Greed as Samson
Lilith
Lilith
Defeat Ultra Greed as Azazel
Key Bum
Key Bum
Defeat Ultra Greed as Lazarus
GB Bug
GB Bug
Defeat Ultra Greed as Eden
Zodiac
Zodiac
Defeat Ultra Greed as The Lost
Box of Friends
Box of Friends
Defeat Ultra Greed as Lilith
Rib of Greed
Rib of Greed
Defeat Ultra Greed as Keeper
Brown Nugget
Brown Nugget
Defeat Ultra Greed as Apollyon
Finger Bone
Finger Bone
Defeat Ultra Greed as The Forgotten
Cent Sign Added in Afterbirth †
Cent sign - Greedier mode
Ultra Greedier D1
D1
Defeat Ultra Greedier as Isaac
Glyph of Balance
Glyph of Balance
Defeat Ultra Greedier as Magdalene
Sack of Sacks
Sack of Sacks
Defeat Ultra Greedier as Cain
Eye of Belial
Eye of Belial
Defeat Ultra Greedier as Judas
Meconium
Meconium
Defeat Ultra Greedier as ???
Crow Heart
Crow Heart
Defeat Ultra Greedier as Eve
Stem Cell
Stem Cell
Defeat Ultra Greedier as Samson
Bat Wing
Bat Wing
Defeat Ultra Greedier as Azazel
Plan C
Plan C
Defeat Ultra Greedier as Lazarus
Metronome
Metronome
Defeat Ultra Greedier as Eden
Dad's Lost Coin
Dad's Lost Coin
Defeat Ultra Greedier as The Lost
Duality
Duality
Defeat Ultra Greedier as Lilith
Eye of Greed
Eye of Greed
Defeat Ultra Greedier as Keeper
Black Rune
Black Rune
Defeat Ultra Greedier as Apollyon
Dad's Ring
Dad's Ring
Defeat Ultra Greedier as The Forgotten
Hush's Face Added in Afterbirth
Hush's face
Hush's face - Hard mode
Hush Fart Baby
Fart Baby
Defeat Hush as Isaac
Purity
Purity
Defeat Hush as Magdalene
D12
D12
Defeat Hush as Cain
Betrayal
Betrayal
Defeat Hush as Judas
Fate's Reward
Fate's Reward
Defeat Hush as ???
Athame
Athame
Defeat Hush as Eve
Blind Rage
Blind Rage
Defeat Hush as Samson
Maw of the Void
Maw of the Void
Defeat Hush as Azazel
Empty Vessel
Empty Vessel
Defeat Hush as Lazarus
Eden's Blessing
Eden's Blessing
Defeat Hush as Eden
Sworn Protector
Sworn Protector
Defeat Hush as The Lost
Incubus
Incubus
Defeat Hush as Lilith
Keeper now holds... A Penny!
Keeper now holds... A Penny!
Defeat Hush as Keeper
Hushy
Hushy
Defeat Hush as Apollyon
Hallowed Ground
Hallowed Ground
Defeat Hush as The Forgotten
Wrinkled Paper Added in Afterbirth †
Wrinkled paper
Wrinkled paper - Hard mode
Delirium D Infinity
D Infinity
Defeat Delirium as Isaac
Eucharist
Eucharist
Defeat Delirium as Magdalene
Silver Dollar
Silver Dollar
Defeat Delirium as Cain
Shade
Shade
Defeat Delirium as Judas
King Baby
King Baby
Defeat Delirium as ???
Dull Razor
Dull Razor
Defeat Delirium as Eve
Bloody Crown
Bloody Crown
Defeat Delirium as Samson
Dark Prince's Crown
Dark Prince's Crown
Defeat Delirium as Azazel
Compound Fracture
Compound Fracture
Defeat Delirium as Lazarus
Eden's Soul
Eden's Soul
Defeat Delirium as Eden
Holy Card
Holy Card
Defeat Delirium as The Lost
Euthanasia
Euthanasia
Defeat Delirium as Lilith
Crooked Penny
Crooked Penny
Defeat Delirium as Keeper
Void
Void
Defeat Delirium as Apollyon
Book of the Dead
Book of the Dead
Defeat Delirium as The Forgotten
All Hard Mode Marks Added in Afterbirth
All marks - Hard mode
Added in Afterbirth
(All Above) Buddy Baby
Buddy Baby
Earn all hard mode completion marks as Isaac
Colorful Baby
Colorful Baby
Earn all hard mode completion marks as Magdalene
Picky Baby
Picky Baby
Earn all hard mode completion marks as Cain
Belial Baby
Belial Baby
Earn all hard mode completion marks as Judas
Hive Baby
Hive Baby
Earn all hard mode completion marks as ???
Whore Baby
Whore Baby
Earn all hard mode completion marks as Eve
Revenge Baby
Revenge Baby
Earn all hard mode completion marks as Samson
Sucky Baby
Sucky Baby
Earn all hard mode completion marks as Azazel
Dripping Baby
Dripping Baby
Earn all hard mode completion marks as Lazarus
Cracked Baby
Cracked Baby
Earn all hard mode completion marks as Eden
Godhead
Godhead
Removed in Afterbirth Beat Mom's Heart, Isaac, Satan, ???, and The Lamb and complete the Boss Rush on hard mode as The Lost
Added in Afterbirth Earn all 9 Completion Marks on hard mode as The Lost
Dark Baby
Dark Baby
Earn all hard mode completion marks as Lilith
Sale Baby
Sale Baby
Earn all hard mode completion marks as Keeper
Apollyon Baby
Apollyon Baby
Earn all Hard Mode Completion Marks as Apollyon
Bone Baby
Bone Baby
Earn all Hard Mode Completion Marks as The Forgotten
All marks - Hard mode
Added in Afterbirth †

Notes[edit | edit source]

  • Added in Afterbirth As Greed Mode is its own mode separate from Normal or Hard mode, it always appears on the completion note with the red outline otherwise found on Hard Mode marks.
    • Added in Afterbirth † This symbol is used to indicate completion of Greedier Mode, and the Greed Mode symbol is changed to be one without a red outline.
  • While it is possible to fight Mega Satan in the base game, Completion Marks for defeating him and their respective unlockables are only available in the subsequent DLC.
  • In the base game, Godhead Godhead
    Godhead Icon.pngIncreases damage and range while reducing tears and shot speed. Grants homing tears and tears gain a damaging halo.
    is unlocked by defeating Mom's Heart, Isaac, ???, Satan, The Lamb, and Boss Rush on Hard Mode as The Lost.
  • Some items and trinkets transform Isaac into another character. All completion marks earned in that run from the moment of death onwards will count towards the new character, not the old.
    • Judas' Shadow Judas' Shadow
      Judas' Shadow Icon.pngAdds an extra life; upon death, it respawns Isaac as Black Judas with only two black hearts.
      will transform the current character into Dark Judas upon death. Dark Judas is considered the same character as Judas by the game and can earn all of Judas' Completion Marks.
    • Ankh Ankh
      Ankh Icon.pngUpon death, the player will respawn as ??? with 3 soul hearts.
      will transform the current character into ??? upon death, and Broken Ankh Broken Ankh
      Broken Ankh Icon.pngWhen held, Isaac has a chance to be revived as ???. Can occur multiple times in the same run.
      has a 22.22% chance to transform the current character into ??? upon death.
    • Lazarus' Rags Lazarus' Rags
      Lazarus' Rags Icon.pngUpon dying, resurrect as Revived Lazarus with one heart container and Anemic item.
      will transform the current character into Lazarus Risen upon death. Lazarus Risen is considered the same character as Lazarus by the game and can earn all of Lazarus' Completion Marks.
    • Added in Afterbirth Missing Poster Missing Poster
      Missing Poster Icon.pngIf Isaac dies in a Sacrifice Room, a puzzle piece will appear on his last will (Added in Afterbirth and unlocks The Lost). Added in Afterbirth Revives Isaac as The Lost if unlocked. The Missing Poster then disappears.
      will transform the current character into The Lost upon death.
    • Added in Afterbirth † Clicker Clicker
      Clicker Icon.png6 roomsTransforms Isaac into another random character.
      will transform the current character into a random character upon use.
  • With Clicker and a reliable method of reaching the I AM ERROR room (like Teleport 2.0 or Undefined, held with a Schoolbag), The Void can be repeated endlessly and cleared with every playable character in a single run.
    • Substituting the item to reach the I AM ERROR room with a Forget Me Now and some method to duplicate it endlessly (like Crooked Penny combined with Glowing Hour Glass to rewind failures), this can be applied to any floor and boss in the game, allowing any completion mark to be obtained with every character in a single run. Moving Box will also be necessary to bring all of the required items with you on each reset.
      • The Boss Rush requires the additional duplication of a Mama Mega! to repeat endlessly.
      • Mega Satan can only be repeated with the addition of other unlimited items that can unlock the door, such as a duplicated Get out of Jail Free Card, Dad's Key, or Mr. ME!, because the key disappears after a single use. Mega Satan also has a 50% chance of automatically ending the run upon defeat, so it is only recommended to focus on that completion mark after finishing all other possible marks as the desired characters.
      • Completion marks for Satan and The Lamb are still mutually exclusive with completion marks for Isaac (Boss) and ??? (Boss). This means that a minimum of two runs are required to obtain every character's completion marks using this strategy.
      • This strategy does not work for Greed Mode completion marks. While most of the required items can be acquired by exhausting the mode's normal item pools, Moving Box is completely unobtainable (except in the extremely unlikely case that Eden begins with it.) A maximum of 3 Greed Mode completion marks can be obtained in a single run using 2 or more items that revive you as a different character, alongside 2 Forget Me Nows and a Schoolbag to hold them.
      • Getting all these items in a single run usually requires the use of a strategy to create infinite items and exhaust the item pool, like Blank Card combined with Jera. While this can be time-consuming to achieve in a single run, it can save you a great deal of time and additional runs if you are aiming for 100% completion.
    • Substituting Clicker with items that revive you as another character upon death will allow you to get the extra completion marks for The Lost, ???, Lazarus, and Judas, but will not allow for completion with every character as the Clicker does.


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