COG Tag 15 - Gears of War 3 Guide - IGN

After dropping the counterweight on the queen, proceed up the elevator.  At the top move to the right into the dark area. Opposite 3 arcade machines there

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Walkthrough - Gears of War 3 Guide - IGN

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Collectibles - Gears of War 3 Guide - IGN

Collectibles - Gears of War 3 Guide - IGN

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Collectibles - Gears of War 3 Guide - IGN