Gears of War 4 Horde 3.0 Details; New Class System and Defense Building Revealed - GameSpot

Gears of War 4's Horde mode will feature a class-based system, defense building, and cards.
Gears of War 4 is the next installment in the Gears of War series and is exclusive to the Xbox One.

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Gears of War 4 Horde 3.0 Details; New Class System and Defense Building Revealed - GameSpot

Gears of War 4: Nine essential beginner's tips for Horde mode

Gears of War 4 Review - GameSpot

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Gears of War 4 Horde Mode beginner's guide: class list, skill cards, and more!

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E3 2011: Gears of War 3 – Everything you wanted to know about Horde 2.0 but were too terrified to ask. – Nerd Appropriate

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