The Luna Multiplayer repository describes a mod that adds multiplayer to Kerbal Space Program.
Open source
24 alternativesLuna multiplayer
Luna is a multiplayer mod for Kerbal Space Program, with features including multithreaded code and network time protocol support.
About Luna multiplayer
Luna Multiplayer is a multiplayer mod for Kerbal Space Program (KSP). It lets multiple players connect to a shared server and play in the same game world. It supports career and science modes, with funds, science, and strategies shared between all players.
It uses NTP to sync time between clients and the server and UDP-based networking for message handling. It includes interpolation to reduce vessel jumping under bad network conditions, plus NAT punch-through and UPnP support so servers can run without opening router ports manually.
The website offers the mod download, a wiki with guides for installing, running, building, debugging, and troubleshooting, and lists of Release and Nightly servers. It suits KSP players who want to play together online and people interested in hosting a shared server.
Key features
- Multiplayer servers for Kerbal Space Program
- Shared career and science progress across players
- NTP time sync between clients and server
- UDP-based networking with vessel interpolation
- NAT punch-through and UPnP server support
- In-mod server list and XML-based settings
Best for: Kerbal Space Program players who want to play together on shared servers.
Good for
- Supports shared career and science modes
- Includes wiki with install and troubleshooting guides
- Lists Release and Nightly servers
Luna multiplayer at a glance
- Website
- lunamultiplayer.com
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Luna multiplayer alternatives
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Open source
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Luna multiplayer FAQ
What is Luna Multiplayer?
It is a multiplayer mod for Kerbal Space Program that lets multiple players join the same server.
Does Luna Multiplayer support career and science modes?
Yes, funds, science, strategies and other progress are shared between all players.
How do I install or troubleshoot Luna Multiplayer?
The site provides a wiki with guides for installing, running, building, debugging and troubleshooting.
Where can I find Luna Multiplayer servers?
The site lists active Release and Nightly servers, and servers are also displayed within the mod.
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