
StopGrowth
A simple Minecraft 1.21.6 mod for Fabric and NeoForge that allows certain animals to stop growing and later restart growth using specific items.
⬇ Download on Modrinth
Stop Growth Mod
A simple Minecraft 1.21.6 mod for Fabric and NeoForge that allows you to stop and restart the growth of most baby entities using specific items.
✅ Version 1.0 supports: Happy Ghast only
🚀 Version 2.0 supports: Almost all baby mobs
🧪 Features
Growth Freeze
Feed a configured "stop item" (e.g., Fire Charge) to a baby mob to halt its growth.Growth Restart
Feed a configured "restart item" (e.g., Snowball) to the frozen mob to resume growth.Persistent State
Growth state is saved with the entity and can be toggled at any time.Visual Feedback
Particle effects (e.g. smoke, glow) show successful item interaction.✅ Full Datapack Support
Easily customize the stop/restart items via datapack:
➤ Just modify or add files in:data/stopgrowth/tags/items/growth_stop_fooddata/stopgrowth/tags/items/growth_restart_food
No Java code or mod recompilation needed.
⚙ Requirements
- Architectury API (runtime)
- Fabric Loader or NeoForge
- Mixin (included automatically)
🧩 Technical Highlights
- Built using Mixins for behavior injection.
- Fully client-server synchronized.
- Designed for maximum compatibility and datapack-driven extensibility.
🐾 Supported Entities
- ✅ v1.0:
Happy Ghast - ✅ v2.0: Nearly all baby mobs
(e.g. cows, sheep, horses, villagers, dolphins, tadpoles...)
📦 Installation
- Install Fabric or NeoForge for Minecraft
1.21.6. - Download and install Architectury API.
- Place this mod’s
.jarfile into yourmodsfolder. - Optionally, create or edit a datapack to redefine stop/restart items.
- Launch Minecraft and test by interacting with baby mobs.
📝 License
Licensed under the MIT License.
📌 Roadmap
| Version | Features |
|---|---|
| 1.0 | Initial support for Happy Ghast |
| 2.0 | General support for All Baby Mobs |
| Future | Configurable items |
- Ships as StopGrowth-fabric-2.0.jar — drop this file into the mods folder
- Download size: 70 KB
- Download link checked 31 Aug 2026 — working
These come from our own check of the pack file, not from the source page.