если у кого под win7 не идёт (как у меня вначале - просто падает после старта), справка: игра настраивается через реестр. вообще, вот последняя версия (часы нормально по 5 сек отщитывают и другие вкусности):
XCOM Enemy Unknown CE (ET version, 28 March 2005)
Summary
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* bugfixes (geoscape/battlescape)
* video mode configuration / filters
* 1750 engineers
* 1750 scientists (~250 limit per project)
* alien grenade w/proxy (activate prime 23)
* auto sell manufacture enabled by decrease zero quantity (1111)
* allocate all scientist by decrease zero quantity
* allocate all technician by decrease zero quantity
* manufacture 'ingredients' removed at time of production
* idle engineers contribute to assembling base facilities (25/day)
* geoscape time
details are included in the zip
notes:
'click' bug fixed.
average filter at 640 4x0 fixed.
outstanding reaction bug et al.
added 3x edge filter (for 1024*768 resolution) etc.
requires registry configuration.
http://www.xcomufo.com/forums/index.php?showtopic=4469 
