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Batman: Arkham Origins Blackgate detective cases guide

The Bidding War

Clue #1: Gold coins

This is found in the Black Mask boss chamber. After defeating him, analyze the boxes in the right corner of the room.

Clue #2: Homemade paper target

After defeating Deadshot in Administration, return to the roof. Grapple to the ledge near the door, and the clue will be along the wall around the corner.

Clue #2: Handwritten IOU

After defeating the Joker, exit the room and scan the wall to find this.

Clue #4: Bearer bonds

On your way to the Arkham wing, slide down the left ladder at the base of the Penguin boss chamber. You'll find this clue on a machine below.

Doctor's Orders

Clue #1: Personal journal

This is found in the library of Adminstration, but it's tough to get until you clear the room of thugs and Joker gas. When you do, you'll find it on the right side, next to the barbed wire divider.

Clue #2: Tiny key

When you enter a room with two thugs across a pit of Joker gas, use the Line Launcher to cross the gap. Take out the thugs and analyze near the bookshelf to find this.

Clue #3: Personnel file

You'll find this while deactivating the electrical charges by the warden. When you reach the room with two receptors, look to the table for it.

A Life on the Line

Clue #1: Rope noose

When you enter a room in Cell Blocks with a heavy stack of crates, you'll have to crawl through a vent. Take out the shock stick thug inside, then head through the next vent. Round the corner, then crawl through the maintenance tunnels. The clue is by the tunnel cover near the right room exit.

Clue #2: Damaged door

Once you've obtained the Batclaw, you'll pull down an improvised barrier on your way to the exercise yard. This is found immediately on the other side of the barrier.

Clue #3: Prisoner's slipper

On your way to the exercise yard, you'll use the Gel Launcher to blow through a wooden floor. After the big drop, there will be a ledge right in front of you. Grapple to it, and you'll be able to analyze the clue on a nearby beam.

Clue #4: Cut pipe

Inside Cell Blocks, you'll come to a large shower area. After blowing the vertical wall with the Gel Launcher, look for a weak spot on the ceiling. Blow through this, then grapple to the upper area to find a clue on the floor.

Clue #5: Torn guard's shirt

After exiting the showers, you'll grapple across the courtyard to a series of catwalks. Before exiting through the lower right door, grapple to the ledge above it. From here, you can grapple to some ledges in the background. Follow them to find another clue.

Topics

guide

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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