Batman: Arkham Asylum
[Edited by crbasnet, 9/4/2009 8:45:36 AM]
this might help: guides.ign.com/guides/14273490/index.html
[Edited by Sockerkaka, 9/4/2009 9:57:25 AM]
[Edited by Sockerkaka, 9/4/2009 9:58:13 AM]
ok the guy hanging from rope is bad guy, use him after you batarang the first two vent controls. use batarang on rope and he falls through the breakable roof below exposing the third vent control. Hurry after cutting him down tho or he will die from gas and you will restart.