openttd

-b blitter

Select the blitter blitter; see -h for a full list.

-c config_file

Use config_file instead of openttd.cfg.

-d [level]

Set debug verbosity for all categories to level, or 1 if omitted.

-d cat=lvl[,...]

Set debug verbosity to lvl for a specific category cat.

-D [host][:port]

Start a dedicated server.

Network debug level will be set to 6. If you want to change this, set -d after setting -D.

-e

Start in world editor mode.

-f

Fork into background (dedicated server only, see -D).

-g [file]

Load file (can be either a savegame, scenario, or heightmap) at start or start a new game if omitted. file must be either an absolute path or one relative to the current path or one of the search paths.

-G seed

Seed the pseudo random number generator with seed.

-h

Display a summary of all options and list all the available AIs, blitters, sound, music and video drivers, graphics sets and sound sets.

-I graphicsset

Select the graphics set graphicsset; see -h for a full list.

-m driver

Select the music driver driver; see -h for a full list.

-M musicset

Select the music set musicset; see -h for a full list.

-n host[:port][#company]

Join a network game, optionally specifying a port to connect to and company to play as.

-p password

Password used to join server. Only useful with -n.

-P password

Password used to join company. Only useful with -n.

-q savegame

Write some information about the specified savegame and exit.

-Q

Don't scan for/load NewGRF files on startup.

Passing -Q twice (so, -QQ ) will disable NewGRF scanning/loading entirely.

-r widthxheight

Set the resolution to width × height pixels.

-s driver

Select the sound driver driver; see -h for a full list.

-S soundset

Select the sound set soundset; see -h for a full list.

-t year

Set the starting year to year.

-v driver

Select the video driver driver; see -h for a full list.

-x

Do not automatically save to config file on exit.

-X

Do not use global folders to search for files.

Wiki (includes community maintained manual), Forum, News

Transport Tycoon Deluxe was written by Chris Sawyer and published by Microprose. openttd is a free reimplementation.