Mech in Combat — White

1024 × 768

SARIF office concept art

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Halo Reach Military Base — Gray, Dramatic

1920 × 1200

Spartan on a cliff edge

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Mech in Flight — Black

1280 × 720

Orange Robot Character — Energetic

1024 × 768

Decepticon Robot with Weapon — Purple

1600 × 1200

Metal Gear Ray concept art

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Armored Soldier in Flight — Gray, Dramatic

1920 × 1200

Characters from Metal Gear — Blue

1920 × 1080

Mechs Fighting in Field

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Yellow Robot Character — Dramatic, 3d Render, Autobot Symbol

1920 × 1080