Command line options:
-v drv = Set video driver (see below)
-s drv = Set sound driver (see below)
-m drv = Set music driver (see below)
-b drv = Set the blitter to use (see below)
-r res = Set resolution (for instance 800x600)
-h = Display this help text
-t year = Set starting year
-d [[fac=]lvl[,...]]= Debug mode
-e = Start Editor
-g [savegame|scenario|heightmap] = Start new/savegame/scenario/heightmap immediately
-G seed = Set random seed
-n host[:port][#company]= Join network game
-p password = Password to join server
-P password = Password to join company
-D [host][:port] = Start dedicated server
-I graphics_set = Force the graphics set (see below)
-S sounds_set = Force the sounds set (see below)
-M music_set = Force the music set (see below)
-c config_file = Use 'config_file' instead of 'openttd.cfg'
-x = Never save configuration changes to disk
-X = Don't use global folders to search for files
-q savegame = Write some information about the savegame and exit
-Q = Don't scan for/load NewGRF files on startup
-QQ = Disable NewGRF scanning/loading entirely
List of graphics sets:
original_dos: Original Transport Tycoon Deluxe DOS edition graphics. (unusable: 5 missing files)
original_windows: Original Transport Tycoon Deluxe Windows edition graphics. (unusable: 5 missing files)
NightGFX: NightGFX is a night version of the OpenGFX base graphics set, freely available under the terms of the GNU General Public License version 2. For more information, see readme.txt. [NightGFX 1.3.0]
OpenGFX: OpenGFX base graphics set for OpenTTD. Freely available under the terms of the GNU General Public License version 2. [OpenGFX 7.1]
aBase: aBase 32 bits graphics set for OpenTTD. Freely available under the terms of the GNU General Public License version 2. [aBase 2016-05-17 (5981:9d884de3512dM)]
OpenGFX2 Classic: OpenGFX2, a pixel art style base graphics set for OpenTTD.Classic version (8-bit Normal Zoom). Freely available under the terms of the GNU General Public License version 2.
zBase: zBase 32 bits graphics set for OpenTTD. Freely available under the terms of the GNU General Public License version 2. [zBase 2015-04-20 (5588:875d23dbc17e)]
List of sounds sets:
NoSound: A sound pack without any sounds.
original_dos: Original Transport Tycoon Deluxe DOS edition sounds. (unusable: 1 missing file)
AltSFX: AltSFX sound set. A different sound effect pack. Available under CC-BY 3.0. Credits are in the readme! [AltSFX 12]
OpenSFX: OpenSFX base sound set for OpenTTD. Freely available under the terms of these licences: CC BY-SA 3.0, GPLv2 (or later) and CDDL 1.1. For full credits see "readme.txt". [OpenSFX 1.0.3]
List of music sets:
NoMusic: A music pack without actual music.
original_dos: Original Transport Tycoon Deluxe DOS edition music. (unusable: 22 missing files)
original_tto: Original Transport Tycoon (Original/World Editor) DOS edition music. (unusable: 17 missing files)
original_windows: Original Transport Tycoon Deluxe Windows edition music. (unusable: 22 missing files)
List of music drivers:
dmusic: DirectMusic MIDI Driver
win32: Win32 Music Driver
null: Null Music Driver