Nothingness: you could use simple thick carton squares. On one side you have a questionmark, on the other side the espionage piece. I admit it wouldn't look attractive, but it's simple and effective. The only difference with the real game is that you know when your opponent detected a piece.
(sakla) You can send a message to your friends with just one click by adding them to your friends list and then clicking the small envelope by their name. (pauloaguia) (Bütün ipuçlarını göster)