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The Binding of Isaac: Nightmare Mode
A Big mod that makes the game Scary
Created 8 years ago
This a mod that makes the game Scary
You can put Character mods with it without problems
This mod is Afterbirth only
The mod does:

- Almost all enemies/bosses are reskinned (Many are taken from The Binding of Hardmode but there will come way more new reskins)
- Bosses/Mini Bosses do a whole heart of damage
- Almost all background music is changed to really creepy and epic music
- Sometimes you must fight 3 bosses
- Many reskinned Backgrounds
- A new font "Zalgo"
- The treasure rooms for normal and greed runs are changed
- You get the key for Mega Satan at the end of the run
- The game is a bit darker
- Doors are black
- Your hearts have an other color
- A new challenge "In the Dark..." (it's the first challenge, the name has not yet been made)
- Custom Options to make the game Harder

Don't like the font? delete the font folder

Extract the file and put the content in the resources folder
You can find it in "C:\Program Files (x86)\Steam\steamapps\common\The Binding of Isaac Rebirth\resources"
If not, go to steam and right click on The Binding of Isaac: Rebirth and click Properties, go to Local Files and click Browse Local Files...

1. Did you look at the "How to Download" title
2. Do you have Rebirth? this mod is only for Afterbirth
3. Maybe another mod causes it

If it is still not working i don't know what the cause is

If you find a bug, Want to help or have any ideas to make this mod even greater, put it in the comments

Thanks to CupoKirby fo the Challenges

Thanks to mattdego2014 for the Idea


Video by RageGamingVideos: link (Version 2.0, No Music)

Video by KlutzyGaming: link (Version 2.0, No Commentary)


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- Bug Fixes

- A enemy is reskinned

- Mom's knive is reskinned

- new character: Amdusias (instead of Isaac)

- basically some ideas from mattdego2014

- _ Added Custom Options to make your game harder

- Some new reskins for enemies

- Brimstone is now white

- Bosses in sheol and Mega Satan have new music

- An update for Greed mode

- Ultra Greed got another Reskin

- New treasure rooms for Greed mode

- Wrong Files XD

Downloaded this for Halloween... Better not disappoint
This mod is really really interesting to say the least i give this a like and a download
I stop for a time on modding isaac, i will probably make small things but i will come back for afterbirth+ and learn lua
Pitch Black Challenge: Permanent curse of darkness and enemy/boss health is doubled and negative pills are more common
Turn around hahahahahaha hahahahahaha
any new ideas for challenges i could make? i can make it so you dont have to fix it this time cuz i figured out how !
can't shoot, Lil' Haunt(id=277) x2, 3 black hearts and a fool card(id=0)
Can you make the Imp white and have no mouth but they look sad with purple colored eyes and have 2 times the health to make them last longer
You changed the layout of rooms right???
Then could you help me...
I am working on a mod right now and im nearly done exept with the stb files :/
For some reason the Krampus rooms always make the game crash, althought there is nothing wrong with them :/
Do you know why this could be?
So you changed the shape of the room
The krampus miniboss comes in the devil room and the devil room can crash if the shape is changed
That would explain it...
Is there a way to make it not crash and keep the new shape?
Not that i know off, you can try to disable some doors
ill try that

thanks for telling me that its like that

are there anyother rooms that react like that???
Angle rooms, and Greed or Hush rooms can crash with some shapes
Can you rename Blue Baby into Vepsur and give him 99 Sticky Bombs, Juicy Sack, Infestation 2, Mom's Wig, Spider Baby, Sissy Longlegs and Daddy's Love
(New Character Idea)
Can you rename Judas into Amitiel and give him Prayer card, Celtic cross, The relic, Holy mantle and Holy grail and give Amdusias the Book of belial
On the menu (who am I?) can you edit their sprites to make them look like how they look in the game with the items they have like Amdusias have wings, a black hood and angry eyes
Just a request but for the secret rooms can you make the music fnaf 3 main menu music and make the shopkeepers look like Springtrap here is the music
*hides under a blanket*

I think im never gona come out again
XD come on logical its time to get out of bed!
Btw did you know that Hutts played one of my mods XD
yes, i know. it was in his worst mods vids
Wait what???
Which one was that???
? really? i thought it was that... what one did he play again?
he played the holy deval deals right?
but it wasnt in his worst Isaac mods...
yeah... sorry, i just looked it up X3
And i just noticed that yesterday XD
HOWCOME HUTTS ALWAYS PLAYS YOU MODS WITHOUT YOU ASKING HIM BUT IT TAKES BE WEEKS AND HE STILL HASNT PLAYED MINE??? im mad at hutts i asked him to play during older stream and he said i thought it wasnt done and i said yes it is and he said ok, ill play it.
Hutts played Nightmare mode because Hardmode was a big succes, i'm sure he will play your mod
I don't know (maybe not) if you could can you make and rename Mom's Knife into the Ceremonial Sword from dead rising here is a link to original image
Yes that is possible, and that libra enemy is in the game
For isaac can you rename him Amdusias with these items -Lord of the pit - The pact - Ceremonial robes, if you can do this it would be awesome because some of the characters are just plain and original, it is better to have different appearances in the characters with some items or familiars
I like your mods better then Sentinel... no offence Sentinel your mods are still really good.
i only have 2... you would prefer sentinels mods if you played the all. he has a lot of good ones (all of them)
Your Gungeon mod is fav I just really like Gungeon!
Well, sentinel worked a crap ton on that aswell X3
Is this combatable with other mods?
Yes, it is compatible with other mods
April 10, 2022 - 2 years ago
Hey! We have a new Discord server. You can find more information in the announcements channel there. See you there!