Eidos Interactive has announced the demo for Batman: Arkham will be available on the Xbox 360 Playstation 3 and PC on August the 7th. The demo will feature the FreeFlow combat system and show off Batmans stealth abilities.

In the full game we can expect to see Batman taking on Harley Quinn, Bane, Killer, Poison Ivy and Scarecrow in Arkham Asylum.

You can expect the full game on the 25th August for America and the 28th for Europe.