Added in Afterbirth+ Achievements


Welcome to The Binding of Isaac achievement guide. Click on an achievement to learn more.

Description
Unlock
In-Game Secret Number

Bound Baby

Unlocked a new co-player baby.
Defeat Mega Satan as The Forgotten
403
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Bone Baby

Unlocked a new co-player baby.
Earn all Hard Mode Completion Marks as The Forgotten
402
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Book of the Dead

Unlocked a new item.
Defeat Delirium as The Forgotten
401
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Dad's Ring

Unlocked a new item.
Defeat Ultra Greedier as The Forgotten
400
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Finger Bone

Unlocked a new item.
Defeat Ultra Greed as The Forgotten
399
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Hallowed Ground

Unlocked a new item.
Defeat Hush as The Forgotten
398
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Divorce Papers

Unlocked a new item.
Complete the Boss Rush as The Forgotten
397
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Brittle Bones

Unlocked a new item.
Defeat The Lamb as The Forgotten
396
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Jaw Bone

Unlocked a new item.
Defeat ??? as The Forgotten
395
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Pointy Rib

Unlocked a new item.
Defeat Satan as The Forgotten
394
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Slipped Rib

Unlocked a new item.
Defeat Isaac as The Forgotten
393
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Marrow

Unlocked a new item.
Defeat Mom's Heart or It Lives! on hard modeas The Forgotten
392
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Baby-Bender

Unlocked a new item.
Use I - The Magician or Telepathy for Dummies while already having homing tears (Sources of this effect include I - The Magician, Telepathy for Dummies, Spoon Bender, Sacred Heart, or Godhead).
389
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Rotten Penny

Unlocked a new item.
Have 20 blue flies at the same time
388
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Mystery Egg

Unlocked a new item.
Spawn three charmed enemies in the same room
387
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Marbles

Unlocked a new item.
Use 5 Gulp! pills in one run
386
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Lil Spewer

Unlocked a new item.
Die to your own explosion from Ipecac, Bob's Rotten Head, or Horf! pill
384
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Flat Stone

Unlocked a new item.
Acquire Rubber Cement 5 times
382
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Extension Cord

Unlocked a new item.
Have The Battery, 9 Volt, and Car Battery in your collection
381
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Trisagion

Unlocked a new item.
Take 25 items from Angel rooms
380
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Schoolbag

Unlocked a new item.
Enter every shop from Chapter 1 through Chapter 3 in one run
379
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Lachryphagy

Unlocked a new item.
Collect 10 "tears up" items or pills in one run
378
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Haemolacria

Unlocked a new item.
Acquire Blood Clot 10 times
377
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Door Stop

Unlocked a new item.
Blow up doors and secret room walls 50 times
375
PS4 366
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Pop!

Unlocked a new item.
Beat Chapter 4 without taking damage
374
PS4 365
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Angelic Prism

Unlocked a new item.
Defeat an Angel 10 times
373
PS4 364
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7 Seals

Unlocked a new item.
Defeat all 5 Harbingers
372
PS4 363
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Mr. ME!

Unlocked a new item.
Open 20 locked chests
371
PS4 362
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Filigree Feather

Unlocked a new item.
Acquire both key pieces
370
PS4 361
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Technology Zero

Unlocked a new item.
Pick up two technology items in one run
369
PS4 360
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Leprosy

Unlocked a new item.
Beat Chapter 3 without taking damage
368
PS4 359
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Jumper Cables

Unlocked a new item.
Pick up any 3 of the following items/trinkets in a single run: 9 Volt, The Battery, Car Battery, AAA Battery, Watch Battery
367
PS4 358
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Moving Box

Unlocked a new item.
Use Pandora's Box in the Dark Room
366
PS4 357
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Telekinesis

Unlocked a new item.
Beat Chapter 2 without taking damage
365
PS4 356
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Coupon

Unlocked a new item.
Purchase from shops 50 times
364
PS4 355
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Era Walk

Unlocked a new item.
Have both the Broken Watch and the Stop Watch in your collection
363
PS4 354
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Ancient Recall

Unlocked a new item.
Use cards and runes 20 times
362
PS4 353
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Huge Growth

Unlocked a new item.
Increase in size 5 times in a single run. Sources of increased size include "One Makes you Larger" pills, XI - Strength, and Magic Mushroom
361
PS4 352
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Butter!

Unlocked a new item.
Complete 2 Victory Laps and start a 3rd
360
PS4 351
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Hairpin

Unlocked a new item.
Recharge using batteries 20 times
358
PS4 349
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Lil Delirium

Unlocked a new item.
Defeat Delirium for the 1st time
357
PS4 348
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Fast Bombs

Unlocked a new item.
Defeat Little Horn 20 times
356
PS4 347
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Buddy in a Box

Unlocked a new item.
Pick up 5 familiars in a single run
355
PS4 346
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Broken Modem

Unlocked a new item.
Complete 7 (30 on console) daily challenges(by touching the trophy at the end)
354
PS4 345
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