Microsoft Train Simulator Hints (Windows)

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The game features a variety of undocumented command line parameters. Undocumented until they started to get emailed out to people contacting MS support regarding the sometimes lousy performance of the game The majority act as switches for various capabilities of the game's graphic engine, which can increase performance. Use at your own risk.

Used to increase capabilities
/anisotropic - enables anisotropic mode
/fsaa - enables full scene anti-aliasing

Used to troubleshoot
/forcemaskz - fixes "block form" smoke effects
/pixbias - fixes blocky, unsmoothed text
/maxtex:# - fixes texture distortion where # is the memory value it's to be forced into (for instance /maxtex:256)
/nofiltercab - fixes seams being visible in cab
/ttfblitfix - fixes distorted/missing text
/skipsizecheck - Skips texture size limit check
/skipbiascheck - Skips pixel behavior check
/simpleclipping - changes clipping mode, (fixes "snow" effects on videocards)