To some a clusterfuck of features, to others the only way to make this game any more worth-while, to me? a sandbox. For more Information, visit the SW3EXP Thread @ the 1C Forums. Can't post a link, since seemingly someones got a problem with that, what a shame.
[full] expansion mod [0.6.1.9p2rc9] full version
[all versions] mouse smoothness (+ hz presets) patch
[optional] [all versions] 60fps cap patch
[optional] expansion mod [8x speed fix] [exe] patch
expansion mod [tool/dll] engine utilities sdk