Talk:Challenges

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A quick look at challenges.xml lets you see what achievements do you need in order to unlock a given challenge. That file is my source.

RetroXpuntoNES

"April fools" challenge can be unlocked by killin mom for 1st time, cant say about other A+ challenges. - Anon

--172.68.10.228 14:19, 6 January 2017 (UTC)Can we confirm how challenges are unlocked? when i start a new savefile, the Afterbirth + challenges aren't unlocked by default.

ShadowStejo (talk))15:04, 4 January 2017 (GMT+1)


When doing Challenge #11, I had to go against Satan, not Isaac, and only a trapdoor to Sheol would show up for me, no beam of light to The Cathedral.

RPGHacker (talk) 18:14, 10 January 2015 (UTC)


I'm quite sure that I didn't beat Mom's Heart on Hard, but for some reason I unlocked it during my last run. Not sure how though.

ColePfeiffer (talk) 17:07, 8 November 2014 (UTC)


The challenge unlocks might be based on challenges down as opposed to specific challenges. I unlocked Anzus after doing my firt challenge which was the tank.

Dooomspeaker (talk) 12:28, 5 November 2014 (UTC)


You dont forfeit the challenge by passing up the trophy if you have the ability to continue to another stage, you just have to be able to beat that stage, then another trophy will appear.

173.17.69.40 21:10, 23 December 2014 (UTC)


Challenge 26 seems to be unlocked by unlocking Mom's Knife - which, given you start with it, would make sense.

--86.63.17.191 23:22, 3 November 2015 (UTC)


I'm pretty sure the "April fools" challenge is a play on that bee movie meme. It's Binding of Isaac but every boss is the bloat.

Also I've noticed that pills and cards say one pill/card text and activate another pill/card effect.

The challenge is actually pretty easy as well because picking up coins seems to give you hearts. Those hearts seem to have a higher than average chance of being gold hearts, which drop more coins, which repeats the whole process.

Interestingly enough you still need missing hearts to pick up red heart pickups even though they don't fill health.

--RegiSicarii (talk) 04:52, 4 January 2017 (UTC)

It's more of a joke by the devs at the player's expense. Think about it. Everyone hates Bloat, so why not make every boss Bloat? Items, pickups, even the map laughs at you and your attempt to understand the madness. --JokerPixel (talk) 06:40, 4 January 2017 (UTC)


Just checking if it's just me - Ehwaz rune not working on Challenge 34: Ultra Hard. Makes sense, really. -Anonymous

I complete Pokey Mans challenge by killing Delirium (portal into the void spawned right inside me after killing Mom's foot). I read that Ultra Hard challenge can be dealt in that way too. Maybe now any challenge can be completed by killing Delirium? 172.68.10.24 10:30, 22 January 2017 (UTC)

So possession of the negative is not actually required to unlock ultra hard. Killing the lamb and then unlocking the negative and traveling to the dark room is good enough(ie. you killed satan(having already done a sacrifice room run prior and killed the lamb previously) for the fifth time and used a sac room it will unlock upon arrival to the dark room). Uh yeah I know the amount of bullshittery I did to test that was pretty awful(still haven't unlocked it lives! but I now have ultra hard unlocked XD) - anonymous

I believe that's what the unlock condition is trying to say already, but I think "prohibiting" is not the correct word in the description. --Frionil (talk) 20:38, 10 January 2021 (UTC)

Did the requirements for Darkness Falls change in Repentance?[edit source]

I beaten Mom's Heart more than 11 times and this challenge is still locked. --Superwill771 (talk) 23:43, 2 April 2021 (UTC)

I have unlocked Bethany and yet the Bloody Mary challenge is not unlocked for me, so perhaps that is not the only requirement (I don't have all the starting items for that challenge, so perhaps you need all of those as well) -anonymous

The Family Man[edit source]

To unlock this Challenge, you have to beat Mom's heart 11 times. It isn't enough to just pick up both keypieces, by let's say, getting them from the Angels summoned in the Sacrifice Room. MeowMeowMeowMeo (talk) 20:38, 24 April 2021 (UTC)

"I RULE!" requirements in Repentance[edit source]

It seems the requirements listed are incorrect.

I just beat Mega Satan for the first time, and it did not unlock.

Of note, I have beaten ??? (twice, as Isaac and Blue Baby), have yet to beat The Lamb. Also, I have not beaten Satan as Isaac (to unlock Mom's Knife).

My guess is that unlocking Mom's Knife is still a requirement. That is my next run, and I will report back if it unlocks Challenge #26.


EDIT: Can confirm, still requires you unlock Mom's Knife by beating Satan as Isaac.