How many guns should an FPS have? What’s the correct number of levels for a platformer? How long should a game take to complete? How many playable characters does an RPG need? How about a MOBA? Debate rages between boffins up and down the land, but Turbine have an answer for that last question when it comes to Infinite Crisis. 32 characters is the point where their DC Comics punch-up will allow interesting team picks and compositions, they’ve said. Infinite Crisis will hit that supposed magic number next month with the addition of Supergirl.