2002-2006.
And yes, it´s my own specification I´m using in every riddle!
http://www.gog.com/forum/general/radons_solve_this_and_win_16_miner_wars_2081/post1
Got 20 Votes on Wishlist:
http://www.gog.com/wishlist/games/world_war_iii_black_gold

New clue:
You are part of an organisation which you´ll never be able to leave in the game!

Ninja Blade

https://secure.gog.com/forum/general/radons_solve_this_and_win_19_metro_2033/post9

oops, got too excited, thought is was right. :|

New clue:
Contains few big-city-levels.

Even if it would have been right it doesn´t meet the requirements:
It´s now over 19 Votes ;)
Fu***** Bitc***
Yes, you´re right...
Thought this could become a hard one!

Have fun with the Reputation: Do you want Metro 2033?

Was in it for fun anyway, so I'll let someone else have the key

Congrats Chimerical and thanks again RadonGOG.
And no, I'm not interested in the prize. :p

that leave Stooner and DalekSec as prime canidates

Thanks for the riddle RadonGOG

Corrected.. ;p

Thanks anyway...

Should someone PM DalekSec then?

Do you want Metro?