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Batman: Arkham Origins Blackgate detective cases guide

Power Play

Clue #1: Wallet photo

This is found just before exiting Industrial. Instead of grappling to the upper ledge, use the Gel Launcher to blow the lower door. Head through and crawl through the maintenance tunnel. When you exit, the clue is on the floor to your left inside the small office.

Clue #2: Tablet computer

When you return with the Batclaw, look for a vent above the main entrance. Rip it away, then grapple up to reach a small room with this inside.

Clue #3: Dental tools

While searching for the secret entrance to the warden's office, you'll explore the sewers in Industrial. When you reach the room pictured above, grapple to the ledge and look to your left. The clue is atop a filing cabinet.

Clue #4: Pile of crumpled papers

The last clue is found in the middle of the Industrial zone, the area with the dual elevators. Grapple atop the left one, then use the Batclaw to rip away the fan across the gap. Use the Line Launcher to zip to newly opened area, and follow the path as it wraps around. The clue is on the ledge you can drop from.

Information Gathering

Clue #1: Computer thumb drive

Before grappling to the ledge with the warden's office window in Administration, use the Batclaw to rip away the vent cover to your left. Crawl through here to find a pile of debris that can also be removed with the Batclaw. Underneath is a clue.

Clue #2: Recordable DVD

As you explore the admin basement, you'll reach a room full of pendants (no doubt left by the joker). The clue is atop the overturned lockers in here.

Clue #3: Business card

This clue is tough to reach, so you might want to wait until you've obtained the tight rope Line Launcher. After leaving the admin basement, you'll ascend a series of ledges. The clue is in the top left corner.

Clue #4: Burned paper in trash basket

With the beta Crypto Sequencer in your possession, head to the room pictured above. Open the gate with the sequencer to find a clue inside the small room.

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10 comments

  • marc-henri-alcide - November 5, 2013 3:16 p.m.

    i can't find second case from bird of prey( clipboard)
  • Tony Wilson - November 6, 2013 7:41 a.m.

    Before you enter Cell Blocks, you've have to grapple up those two ledges and crawl through a vent right? Before you grapple to the vent, you can actually drop down into a small gated-off area. It's on the ground there.
  • marc-henri-alcide - November 6, 2013 7:43 a.m.

    thanks i got that. do you know how to disable joker gas also? i can't get the personal file case ? thanks in advance.
  • Tony Wilson - November 6, 2013 8:18 a.m.

    I take it you're making your way through Administration presently? Later in the level, you'll get the beta code for the Crypto Sequencer. There's a room above the library (to the right of it on the map) where you have to use the Line Launcher - the room just before the crossed flaming beams. Instead of launching, drop down to find a beta Crypto Sequence box. Complete it, and the gas goes away.
  • marc-henri-alcide - November 6, 2013 8:33 a.m.

    you know where joker had two prisoners then later on he released the gas. thats the case i cant get. i got the code everything. dont know where to go.
  • Tony Wilson - November 6, 2013 9:47 a.m.

    The two prisoners in the library? Yeah, that took me a bit to figure out. In the second room - where the prisoners were actually held - grapple up the left balcony. The vent there can be crawled through even though it looks like it's just leaking gas.
  • leonardo-sensui - November 5, 2013 10:35 a.m.

    you forgot ground zero case file #3
  • Tony Wilson - November 6, 2013 7:40 a.m.

    Still searching, actually. If you've got any tips, feel free to post them here!
  • leonardo-sensui - November 6, 2013 8:42 a.m.

    i found it and i take a picture, but i don't know how explain
  • Tony Wilson - November 6, 2013 9:48 a.m.

    Twitpic me: @chaingunpope

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