Problem With Batman Arkham Asylum !!!

[SamikSamik]

Hi every one .... any one knows whats going on with Batman Video Game ? i am progressing to 40 % & there is part that i should trow something to climb the wall ... { in the Scarecrow level ...the part that he should not spot you } but there is no point on wall to throw it !! i had same problem about 18 % & a Crack solved my problem ...now is there any crack or way to solve it ???

 

[Mousemonkey]

Take a few days off and read the rules.