Ancient Double Jump
A mod for the very first public build of Minecraft: rd‑132211 — adding a single double jump.
🎬 Inspiration
This project was heavily inspired Kilobyte Night, who made the mod Ancient Planks in this version. Linked below is his video where he walks though his whole modding process. Big thanks, I could't have figured this out without him!
Video: Making a Mod for the First Minecraft Version
📦 Installation
1. Using MultiMC or similar launcher, make an instance of rd-132211 (you may need to enable alpha versions)
2. Click on "Edit Instance" and navigate to "Version".
3. Click on "Add to Minecraft.Jar", then select the mod.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: rd-132211
- 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.
- Ships as rd-132211-doublejump-1.0.jar — drop this file into the mods folder
- Download size: 3 KB
- Download link checked 11 Sept 2026 — working
These come from our own check of the pack file, not from the source page.