Modding (Rebirth & Afterbirth)

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Removed in Afterbirth Added in Afterbirth
Rebirth & Afterbirth
Added in Afterbirth †
Afterbirth †

Trinket Isaac's Head cropped icon.png
This is not officially supported or endorsed by Nicalis, Inc. and other developers.

Modding Rebirth & Afterbirth is limited to editing and replacing existing assets unless you hack the .exe yourself.

Installing Mods[edit | edit source]

Mods made for Rebirth & Afterbirth must be installed manually into the game's resources folder.

OS Path
Windows Steam/steamapps/common/The Binding of Isaac Rebirth/resources
Mac Library/Application Support/Steam/steamapps/common/The Binding of Isaac Rebirth/The Binding of Isaac

To properly install mods for this version of the game, you must place what is inside of the mod's resource folder into the resources folder at the file path above.

Limitations[edit | edit source]

Modding for this version of the game is limited to replacing existing files. Custom code (such as LUA code) cannot be executed, making most custom logic impossible. However, some mods have made attempts to work around this limitation by abusing certain default game logic - such as adding additional events to a monster's animation file. This could result in, for example, an enemy firing two projectiles instead of one.

Resources[edit | edit source]

Listed below are resources that can assist you in creating mods for this version of the game.

A list of tools that can help in mod creation.

Links to external tutorials about modding.

Information about modding XML files.

Mod Hosts[edit | edit source]

A service by the community to host mods created primarily for Rebirth and Afterbirth.

A section of NexusMods which is home to Isaac mods. Not very active.

Community[edit | edit source]

A subreddit to discuss mods and modding.

The main discord server for The Binding of Isaac. The server contains a modding channel.

A Discord server specific to modding The Binding of Isaac.

Collectible Dataminer icon.png Modding Collectible Dataminer icon.png
Rebirth & Afterbirth | Afterbirth †

References Modding Tutorials - XML Modding - Lua Reference - Modding of Isaac Lua Reference
Tools Debug Console - Modding Tools - Basement Renovator
Releases Modding of Isaac - Steam Workshop - NexusMods
Community Modding of Isaac Subreddit - Modding of Isaac Discord Server
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