Discs of Tron on Xbox 360 is a good representation of how sloppy some of the Xbox Live Arcade games are at the moment. Now and again you get the arcade game which is worth its money, that's if you can trundle through the pointless ports, like this one, which really should be free.
MSXbox World would only recommend this game to you if you're trying to build up a collection of classic arcade games, or, if you want some easy gamer points. If you buy this game for any other reason MSXbox World can almost certainly say you'll be disappointed, they would advise you to look else where.
Gameplay - 4.5
Graphics - 6
Sound - 6
Longevity - 4