Fallout NV is one of my favourite games, so I want more people to enjoy it!

The key is only for Europe. The giveaway is region restricted but I'll leave here the list of available countries, just in case:

Aland Islands
Albania
Andorra
Saint Helena
Austria
Belarus
Belgium
Bosnia and Herzegovina
Bouvet Island
Bulgaria
Croatia
Czech Republic
Denmark
Estonia
Faroe Islands
Finland
France
Germany
Gibraltar
Greece
Guernsey
Hungary
Iceland
Ireland
Isle of Man
Italy
Jersey
Latvia
Liechtenstein
Lithuania
Luxembourg
Macedonia, Republic of
Malta
Moldova
Monaco
Montenegro
Netherlands
Norway
Poland
Portugal
Romania
Russian Federation
San Marino
Serbia
Slovakia
Slovenia
Spain
Svalbard and Jan Mayen Islands
Sweden
Switzerland
Ukraine
United Kingdom
Holy See (Vatican City State)

Good luck and enjoy the game!