"Batman Arkham City", ALL Riddler's challenges (trophy/secret/riddle) - Steel Mill

Riddler challenges walkthrough video in HD for the location "Steel Mill". Riddler's collectibles were gathered after the main story is completed. Enjoy watching\rating\commenting the video. Have a nice day.

Link to the whole playlist: "Batman Arkham City" full game walkth...

PC specifications for this walkthrough:
Operating System: Windows 7 Ultimate (64-bit)
CPU: Intel i7 920 2.8 GHz
Motherboard: Gigabyte GA-EX58-UD3R (rev 1.6)
Graphics Hardware: ATI Radeon Sapphire 5870 1Gb
Memory: Corsair 6 GB DDR3
Monitor: Samsung SyncMaster 220T
Hard Drive: Seagate 500 GB
Mouse: Logitech G500
Mouse pad: SteelSeries QcK (Large)
Keyboard: Razer Lycosa
Headset: Steelseries Siberia

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