Arkham West Riddles - Batman: Arkham Asylum Guide - IGN

Just above the locked door to Arkham North in the passageway between the two areas, pull down the weakened wall up high with your Ultra Batclaw and grapple up

Arkham Mansion Riddles - Batman: Arkham Asylum Guide - IGN

Arkham West Riddles - Batman: Arkham Asylum Guide - IGN

Arkham Mansion Riddles - Batman: Arkham Asylum Guide - IGN

Arkham West Riddles - Batman: Arkham Asylum Guide - IGN

Arkham West Riddles - Batman: Arkham Asylum Guide - IGN

Arkham West Riddles - Batman: Arkham Asylum Guide - IGN

All Riddler Trophies Challenges (Arkham Island West) Batman Arkham Asylum

Caves Riddles - Batman: Arkham Asylum Guide - IGN

Arkham West Riddles - Batman: Arkham Asylum Guide - IGN

Arkham East Riddles - Batman: Arkham Asylum Guide - IGN

Arkham Mansion Riddles - Batman: Arkham Asylum Guide - IGN

Botanical Gardens Riddles - Batman: Arkham Asylum Guide - IGN

The Riddler's Challenge - Batman: Arkham Asylum Guide - IGN

Arkham Mansion Riddles - Batman: Arkham Asylum Guide - IGN