Arcanum can be started with the following arguments: -fullscreen Play the game in full screen (compact UI) mode. -fps Display current FPS in the top left corner. -nosound Play the game without sound. -norandom No random encounters. -scrollfps:[number] Scrolling speed. If not specified it will be the default value of 35. -scrolldist:[number] Scrolling distance. Set it to 0 to make it infinite. Default: 10. -mod:[name of a module] Runs a different module at startup. -no3d Play the game in safe mode (software renderer). -vidfreed[number] Increases art cache by [number] -3dref Uses D3D REF device instead of HAL. (D3D features with software acceleration, very slow, used for testing). -doublebuffer Double buffer. May increase performance. -nonmsmousez Standard mouse wheel behaviour. (a redundant option?) -msmousez Alternative mouse wheel behaviour. -mpautojoin Turns on AutoJoin for Multiplayer. -mpnobcast Turns on NoBroadcast for Multiplayer. Command line arguments related to debugging: (-)tigdebug=[console/debugger/file/mono] Overrides registry settings. E.g. -tigdebug=console (sets console to 0), tigdebug=debugger (sets debugger to 1), etc. console - shows debug output in a separate window. debugger - outputs debug info to your debugger. file - prints debug info to debug.txt. mono - outputs debug info to monochrome monitor memory. -dialognumber Shows PC dialogue line numbers in game. -dialogcheck Checks all dialogue files for missing lines, prints the results in the debug output. -gendercheck Checks if characters have correct gender specific descriptions when loading a map. Prints all errors in the debug output. -logcheck Checks all log entries, prints the results in the debug output. Following arguments have been cut out: -animdebug -patchlvl The effects of these arguments are still unknown: -animcatchup -pathlimit (probably -pathlimit[number]) -pathtimelimit (probably -pathtimelimit[number]) If you find out what any of these command line arguments do, please tell me and I'll update this thread. Thanks Drog for finding out what most of these arguments do.