nordlead on 15 May 2008
1) probably, but there is no direct way to find out unless you randomly browse through peoples profiles, or start a thread asking that question.
2) Go to the game database (on the menu below the banner go to Games->Games Database). Search for the game you want and click on it. Then click "add this game to my game collection" under the "Game owners" area.
And welcome to the site.
