This mod adds a command /eureka_effect to invoke various types of events, such as GameEvents, LevelEvents and EntityEvents. It also allows to modify player internal data.
Please use this mod carefully and only if you really know what you do.
This mod is made for debugging purposes.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.9
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Verified by MCModsHub
- Ships as eurekaeffect-1.0.0.jar — drop this file into the mods folder
- Download size: 14 KB
- Download link checked 26 Sept 2026 — working
These come from our own check of the pack file, not from the source page.