ModsJava
Good Ol' Regen
Java mod listed for Minecraft 1.16–1.21. Downloads from the MC Java Mods app on Android.
I don't know my version or loader
Open the Minecraft launcher and look at the profile you play on — it names both, like fabric-loader-1.21.4. The version also shows in the bottom-right corner of the game's main menu.
No loader in the profile name? Then it's plain Minecraft, and these mods won't run — you need Fabric or NeoForge installed first.
Changes regeneration to be like it was before minecraft 1.9 (much slower)
It also makes regeneration and starvation configurable
[Server-side mod]
(yes it works on single-player as well)
Will you support this minecraft version?
> I probably already do! click for details
> if i don't please do a github issue on it
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.20.2, 1.21, 1.20.5
- 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 CurseForge — 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.
File checked by MCModsHub
- Ships as oldregen-1.0.2.jar — drop this file into the mods folder
- Download size: 16 KB
- Download link checked 14 Oct 2026 — working
These come from our own check of the pack file, not from the source page.