The Caped Crusader is getting great reviews for his latest PC game incarnation Batman: Arkham Asylum. The game seems to be a sales hit as well. The PC version debuted at number two on Steam's latest weekly top 10 PC games sales list for the just completely past week.

The number one spot is still occupied by the Collector's Edition of Aion as NCsoft's fantasy MMO gets ready for its official launch in the US on Tuesday. The entire top 10 list is as follows:

• 1. Aion Collector's Edition - NCsoft
• 2. Batman: Arkham Asylum - Rocksteady/Eidos
• 3. Resident Evil 5 - Capcom
• 4. Star Wars: Jedi Knight Collection - LucasArts
• 5. Garry's Mod - Garry's Mod Team
• 6. Left 4 Dead - Valve
• 7. Red Faction Guerrilla - Reactor Zero/Volition/THQ
• 8. Aion Standard Edition - NCsoft
• 9. Counter-Strike Source - Valve
• 10. Champions Online - Cryptic Studios/Atari