LogFAQs > #964265679

Well more of a Gotham Game bevause Batman himself is not the main character possibly not even playable or in the game at all.

The premise is the Bat-Family is seemingly(possibly truly) all killed. Gotham is overrun by villians. Fear Gas, Joker Venom are all over, horrible experiments from some of Batmans more (mad)scientifically minded enemies and psychopaths from Arkham run amok in the city.

Scarecrow, Joker, Man-Bat, Clayface, Killer Croc and other monstrous or truly deranged villians take center stage over the more normal(I.E mostly sane merely criminal as opposed to outright insane), sympathetic or misguided ones like Freeze, Ivy, Penguin, Harley etc.

You play as a mostly ordinary citizen trying to survive armed with only your wits, fists and sometimes lite arms, discarded/lost scraps from heroes/villains or melee weapons.