Decoder is so quick that you should think of it as a "warm up" game rather than a game to entertain you for a whole evening. It's simple to play, quick to explain and is a good ice breaker to get everyone into a 'gamesy' mood. The game includes fifteen images and the idea of the game is to guess the phrase depicted by the image. Free game here: http://www.amherstlodge.com/dirtycheats/fbg/downloads/games/decoder.htm