You would need to make an account to play, and if you wish to check the game, you can make a free account which allows you to play the first twenty quests. The PS Downgrade costs $40 and is only available for one-time use, meaning you cannot use it downgrade your PS3 firmware more than once. Moreover, the effects in the games today are much more sophisticated unlike before. When you are away from the course, you can't wait to get back.