Frostpunk Multiplayer
A downloadable mod
Frostpunk Multiplayer is an experimental Steam P2P co-op modification for Frostpunk 1. Each player manages a separate city while playing together.
Features
• Steam P2P sessions
• Separate city for each player
• Shared pause and game-speed synchronization
• Scenario and difficulty synchronization
• Resource trading
• CHAT/SAVE overlay and multiplayer saves
• Support for up to 8 players
This is an early testing build. Please report bugs and share feedback in the Discord community.
Discord: https://discord.gg/7S7CfzbXkh
Project support: https://www.patreon.com/cw/Second_Player
Download
Install instructions
Installation
1. Close Frostpunk.
2. Extract Frostpunk-Multiplayer-v0.1.1.tar with 7-Zip (or the built-in tar command on Windows 11) into a separate folder.
3. Start FrostpunkMultiplayerLauncher.exe and follow its instructions.
4. In Frostpunk, open MULTIPLAYER and choose STEAM P2P.
5. The host starts the scenario; other players join the same session.
6. Every player must use the same archive version. Back up saves before testing.
Requirements
• Frostpunk 1 on Steam
• Steam running and signed in
• Windows 10/11
Security note: this is an experimental reverse-engineering mod. Some security tools may warn about injected DLLs; use the build only if you trust the source and keep backups.
For help and multiplayer testing, join Discord: https://discord.gg/7S7CfzbXkh
Optional project support: https://www.patreon.com/cw/Second_Player
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