thers a list of games that are tradable, i used it to convert my Unreal tournament 3 from retail
https://support.steampowered.com/kb_...7480-WUSF-3601
yeah, ive gotten used to it too, especially because my mates also use it, and its turning out to be an alternative to windows live sometimes, i can jus chat to them while im playing any game instead of minimizing to check messages. and invite them to any serves im currently in
