Install springlobby by entering the following commands in the terminal:
sudo apt update sudo apt install springlobby
Description:
single/multiplayer lobby for the Spring RTS engine
This package provides a single-player and multiplayer lobby for Spring. Other features include a P2P system for downloading maps and mods and a built-in IRC-like chat client.
Homepage: http://springlobby.info
Version: 0.263+dfsg-1
Section: universe/games