Double Jump
Allows you to double jump!
About this Mod
Ever wanted to feed your ceaseless hunger for adventure? This datapack allows you to increase your sense of freedom by increasing your mobility due to the ability to jump twice. Like, literally this is all it does.
How to use:
- Jump - Click your jump keybind to launch yourself into the air
- Release - Stop holding your jump keybind
- Jump again! - Click your jump keybind to launch yourself higher into the air
Available Versions
How to Install Double Jump on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set datapack Loader
In the panel under "Egg", select the datapack loader and matching Minecraft version (1.21.5).
Install Mod
Open the mod browser in the dashboard and search for "Double Jump". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.5, 1.21.4, 1.21.3 (+3 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Double Jump server crashes on startup – what to do?
Most common cause: wrong datapack 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 (1.21.5). You can switch loaders with one click in the panel.
Is Double Jump compatible with datapack and fabric and forge and neoforge and quilt?
Double Jump officially supports datapack, fabric, forge, neoforge, quilt for Minecraft 1.21.5, 1.21.4, 1.21.3. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Double Jump – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if 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.
Rent Modded Server
Install Double Jump with just one click on your server.