Monolith has released a brand new Arkham Asylum multiplayer map for Gotham City Impostors, for free.

The map is available to download now on Xbox 360 and PlayStation 3. PC players will have to wait a little while longer. Developers should take note of this, a free map or item every now and again goes a long way to winning fans over and makes them more likely to pay for future content once they’ve had a taste. A trailer for the map can be found below.

Should developers offer more free content?