Ancient Double Jump

Double jump for version rd-132211

81 Downloads

java-agentcursedgame-mechanics

Rent Server with this Mod

About this Mod

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)

Version selector in multimc

2. Click on "Edit Instance" and navigate to "Version".

The

3. Click on "Add to Minecraft.Jar", then select the mod.

Instance version menu in multimc

Available Versions

1.0release

MC rd-132211java-agent

January 10, 2026

How to Install Ancient Double Jump on Your Server

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

Set java-agent Loader

In the panel under "Egg", select the java-agent loader and matching Minecraft version (rd-132211).

Install Mod

Open the mod browser in the dashboard and search for "Ancient Double Jump". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

java-agent

Minecraft Versions

rd-132211

Server-side

✗ Unsupported

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Ancient Double Jump server crashes on startup – what to do?

Most common cause: wrong java-agent version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (rd-132211). You can switch loaders with one click in the panel.

Is Ancient Double Jump compatible with java-agent?

Ancient Double Jump officially supports java-agent for Minecraft rd-132211. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Ancient Double Jump – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Ancient Double Jump consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.