openttd
Open source clone of the Microprose game "Transport Tycoon Deluxe". tldr-pages
On several platforms
Several platforms
Start a new game
openttd -gIdentifyLoad save game at start
openttd -g path/to/fileIdentifyStart with the specified window resolution
openttd -r 1920x1080IdentifyStart with a custom configuration file
openttd -c path/to/fileIdentifyStart with selected video, sound, and music drivers
openttd -v video_driver -s sound_driver -m music_driverIdentifyStart a dedicated server, forked in the background
openttd -f -D host:portIdentifyJoin a server with a password
openttd -n host:port#player_name -p passwordIdentify