
msp
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
Realistic orbital physics, rocket engineering, and space program progression for Minecraft. Build Create contraptions, launch them with real…
⬇ Download on ModrinthKSP Mod
Bring Kerbal Space Program–inspired spaceflight to Minecraft.
KSP Mod adds realistic orbital mechanics, gravity simulation, vessel management, science progression, and Create integration to create a true space exploration experience.
Features
- 🚀 Realistic orbital physics
- 🌍 Dynamic gravity fields
- 🌫️ Atmospheric simulation
- 🛰️ Create and manage spacecraft
- 🔬 Science collection and progression
- ⚙️ Create Mod integration
- 🌐 Multiplayer support
- 🧪 Debug tools for testing
Commands
Vessel Commands
/ksp vessel create– Create a new vessel./ksp vessel list– List all active vessels./ksp vessel info <id>– View detailed information about a vessel.
Orbit
/ksp orbit info– Display your current orbital information.
Science
/ksp science transmit– Transmit collected science./ksp science recover– Recover a vessel and its science.
Debug
/ksp debug physics– Toggle the physics debug overlay.
How to Use
- Install the mod along with all required dependencies.
- Start a new or existing world.
- Use
/ksp vessel createto create your first spacecraft. - Build and improve your vessel.
- Launch, enter orbit, perform missions, and collect science.
- Transmit or recover science to unlock progression.
Requirements
- NeoForge (compatible version)
- Minecraft version supported by this release
- Create Mod (optional, enables additional integration)
Planned Features
- Planetary systems
- Rocket engines and fuel tanks
- Docking
- Satellites
- Space stations
- Moon and planetary landings
- More science experiments
- Improved progression
Disclaimer
This mod is inspired by Kerbal Space Program but is an original Minecraft gameplay experience and is not affiliated with or endorsed by the creators of Kerbal Space Program. and AI was used
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- 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 msp.1.1.jar — drop this file into the mods folder
- Download size: 158 KB
- Download link checked 8 Oct 2026 — working
These come from our own check of the pack file, not from the source page.