Overview

An introduction to Omori modding

Omori is a psychological horror RPG Maker game created and published on Steam in 2020. Through custom tools, it is possible to mod the Steam version of the game.

Mature Content Description

This game contains depictions of depression, anxiety, and suicide, and may not be suitable for all audiences. It also contains bright flashing imagery that may cause discomfort and/or seizures for those with photosensitive epilepsy. Viewer discretion is advised.

Disclaimer

OMORI is a registered trademark of OMOCAT LLC. This wiki is an unofficial, fan-made resource and has no association with OMOCAT LLC.

Modding Tools

OMORI

Having OMORI is a given, but in case you forgot you can get it here.

Oneloader

Get Oneloader, the mod loader here. This is required to create and install mods. Learn how to install here.

Bundletool

Bundletool allows for the creation of mod zips for mods built off of a playtest folder. Created by Rph.

Data Editing

Get RPGMAKER MV here. This is required to edit OMORI's data, map events, enemies, etc. It's expensive but goes on sale often, you can see if it's on sale here.

Map Editing

Get Tiled here. This is required to edit OMORI's map sprites and tilesets.

Dialogue and Plugin Editing

While you can use just about any text editor to edit OMORI's dialogue and plugins, VSCode is recommended. It can be found here.

Sprite Editing

Any digital art software will work for this. You can use Medibang for free for all purposes, but Aseprite is a good paid option for pixel sprites/tilesets.

Additional Resources

Omori Community Discord Server- A discord server to discuss OMORI and mod content, as well as ask for support on mod-related issues.

The Omori Modding Masterdoc- A document containing information on creating mods. Less organized than the wiki but at the moment contains more info.

Omori Text Formatting Guide- Contains and explains all of the commands used in Omori's dialogue/yaml files.

RPGMAKER MV Script Calls- A handy spreadsheet containing script calls for RPGMAKER MV.

Omori Script Tricks- Contains some Omori-specific script calls, goes hand in hand with the RPG Maker MV document.

RPG Maker MV Forums- A support forum for everything RPG Maker related.

Omori Data Archive- An archive containing every map, dialogue, variable, and switch in the game.

Omori Utilities- Contains several handy plugins for adding or fixing minor things in your mods.