5C. Arkham Island =

Find all Batman: Arkham Asylum Riddles and Trophies in Arkham Island, including Wayne Enterprises Tower and Amadeus Arkham's Grave.

Riddles:

1. Riddle: "Gotham's greatest family towers over the city."
   Answer: Wayne Enterprises Tower
   Location: Arkham East - Find any high vantage point and look out towards the northeast to see a building with a big "W".
2. Riddle: "The legacy of this island has been well and truly buried."
   Answer: Amadeus Arkham's Grave
   Location: Arkham East - There's a graveyard east of the Botanical Gardens. One of the graves is rather illuminated.
3. Riddle: "My challenges appear to those with the correct position in life."
   Answer: Invisible Question Mark
   Location: Arkham East - The vantage point for this is the highest point on the clocktower on the mansion. Look to the south onto the roof. The upper part is pasted on the roof, and the dot is on the floor you're standing on.
4. Riddle: "Now I see it, now you don't!"
   Answer: Invisible Question Mark
   Location: Arkham North - The vantage point is near the ruined building in the northwest. There's an arch at the entrance to the building. On the bottom of the keystone in the arch is part of the question mark, and the other part on the wall further beyond.
5. Riddle: "Tweedledum and Tweedledee SAW it, can you SEE it?"
   Answer: Seesaw
   Location: Arkham North - The seesaw is near the main gate at the north end.
6. Riddle: "Let's face it, there are two Dents on the wall."
   Answer: Harvey Dent Posters
   Location: Arkham North - You need the Sequencer (a tool to hack security panels). Hack the security box at the west building to get inside.
7. Riddle: "Do you see what I see? No? Then maybe I am in a stronger position."
   Answer: Invisible Question Mark
   Location: Arkham West - Climb up the stairs near the Penitentiary to the ledge above the entrance. Look down at the ledge below in Detective Mode (DMode). The upper part is on the lower ledge and the dot is on the upper ledge.
8. Riddle: "Zsasz is counting on you to find his work."
   Answer: Zsasz Murder Scene
   Location: Arkham West - You need the Sequencer and the Range Amplifier (an upgrade for the Sequencer). Go to the platform above the Penitentiary entrance and crack the security box on the far wall. Make sure you get a good shot of the cards with marks on them.
9. Riddle: "Does Scarecrow's gas break down barriers as it drives you insane?"
   Answer: Fear Gas Canisters
   Location: Arkham West - You need the Ultra Batclaw (an upgraded version of the Batclaw). Grapple up to the stone arches in the east corner and drag down the weak wall to find these canisters.

Riddler Trophies:

• Arkham East: On an extended piece of concrete at the south end.
• Arkham East: On the roof of the northernmost guard tower.
• Arkham East: In the graveyard east of the Botanical Gardens, inside the shack there.
• Arkham East: In the graveyard east of the Botanical Gardens, somewhat obscured by grass at the north end.
• Arkham East: From the walled-off garden north of the Mansion entrance, grapple up to the patio to the east.
• Arkham East: On the roof of the mansion, directly above the preceding Trophy. Grapple up to the roof from the low wall around the garden.
• Arkham East: On the mansion roof, at the very highest ledge on the clocktower.
• Arkham East: On the mansion roof. From the top of the clocktower, glide down to the southwest to find it in a sunken area between the two towers on the south side.
• Arkham East: Once you get the Explosive Gel, blow up a weak floor north of the mansion door.
• Arkham East: You need the Sequencer. Crack the security box at the security hut in the middle of the area.
• Arkham East: You need the Sequencer. Crack either security box on the high walkways near the entrance to Arkham North.
• Arkham North: Just north of the Batmobile is a weak section of floor. Blow it up with Explosive Gel.
• Arkham North: On the roof of the western guard tower.
• Arkham North: In the northwest is a tall ruined building. The Trophy is on the ground floor.
• Arkham North: In the southwest part of the area, grapple to the roof of the Intensive Treatment building. The trophy is on the east end of that section of the roof.
• Arkham North: In the southeast part of the area, grapple to the roof of the Intensive Treatment building. From there, glide to the cave visible on the southeast wall.
• Arkham North: In the southeast corner is a cave. Follow it until you find a weak wall on your right to blow up with Explosive Gel.
• Arkham North: You need the Sequencer. At the north end is an electric field. Hack the box behind it.
• Arkham North: You need the Line Launcher (a tool to create ziplines). From the western guard tower, use the Line Launcher to travel west.
• Arkham North: You need the Ultra Batclaw. On the west side is a weak wall.
• Arkham North: You need the Ultra Batclaw. Head into the cave to the Batcave, then turn around before heading through the door to find a weak wall to pull down.
• Arkham West: Grapple directly up above the door to Arkham North (not the passage to North, but the door in the main field).
• Arkham West: Near the door to Arkham North, drop down south into the creek to find this one.
• Arkham West: Directly below the guard tower.
• Arkham West: On the roof of the marine shack near the docks.
• Arkham West: On the roof of the Medical Facility in the southwest corner.
• Arkham West: You need the Batclaw. There's a vent cover (press the cover button to crouch behind walls or objects) just east of the door to the Penitentiary.
• Arkham West: You need the Batclaw. There's a vent cover high on the wall in the passage to Arkham North.
• Arkham West: You need the Sequencer and the Range Amplifier upgrade. Go to the area above the Penitentiary entrance and crack the box on the far wall.
• Arkham West: You need the Sequencer. Use it on the security box near the elevator to the Medical Facility.
• Arkham West: You need the Line Launcher. Climb to the top of the Medical Facility, then use the Line Launcher to travel across to the alcove to the northeast.
• Arkham West: You need the Ultra Batclaw. In the passage between Arkham North and Arkham West is a weak wall high on the north side.
• Arkham West: You need the Ultra Batclaw. Just over the door to the Abandoned Tunnel is a weak ceiling.