Get Batman Arkham Asylum for the Insane Price of $0.99

Not surprisingly, OnLive's Facebook page has reached over 45,000 likes. We all know what that means, you get to play Batman: Arkham Asylum for the insane price of $0.99. Joker went gaga again, as he always does.

The OnLive promo code for Batman: Arkham Asylum is 99CENTS

The promo code is valid till September 6, 3:00AM (EDT).

And as OnLive puts it, while you're spreading the word, let your friends know that they'll donate $1 to Child's Play for every additional "Like" they get before Monday midnight!