Dungeon Siege 1, Steam

from http://forums.steampowered.com/forums/showthread.php?t=2621994

Spyder810:

team > game properties>

set launch options: width=1920 height=1080 fullscreen=true vsync=false maxfps=60 nointro=true bltonly=true zonematch=true

Set options as you like. Click back in game to get to main menu.

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width=1920 height=1200 fullscreen=true vsync=false maxfps=60 nointro=false bltonly=true zonematch=true