Classification is an important work for paralympic athletes, after the classfication, athletes can compete in a fair situation.
A certain committee will give athletes who can take part in this sport a 7-level-score range form 0.5 to 3.5, the less the score, the more disabled the athlete is.
The sum score of all players in the field can not exceed 8.
Blow also mentioned the recently revised XBLA business deal, under which he says he most likely wouldn't be able to make money from a game like Braid, even at its $15 price point. "What would keep me from putting another game on Arcade again is just that they've changed the business deal—at least as I've heard," he explained. "If it's as I've heard that it is, I couldn't even necessarily break even."