[hackbarth]

All weapons, equipment and aliens finished and translated to english:

https://sites.google.com/site/thackbarth/gurps-x-com

If any term remain in portuguese or in metric units, please let me know.

Portugueses speakers, here are the original articles:

http://www.gurpsnation.com/artigos/92-x-com-ufo-defense
http://www.gurpsnation.com/artigos/94-x-com-equipamento
http://www.gurpsnation.com/artigos/95-x-com-aliens