Halo 4 title screen

1366 × 768

Halo Spartan and soldier

1920 × 1200

Halo 4 Mantis mech

1920 × 1200

Spartan Soldier in Jungle — Green, Dramatic

1920 × 1080

Spartan Soldier in Storm

1600 × 1200

Spartan Soldier in Armor — Black, Dramatic

2560 × 1600

Halo Reach soldier in combat

1280 × 800

Spartan at sunset

1536 × 1152

Mech Pilot in Helmet — Yellow

1921 × 1080

Mech Robot Standing

1920 × 1200

Soldier in Armor — Gray, Dramatic, Digital Art, Rifle, Helmet, Black

1280 × 800

Mech with Twin Cannons — Brown

1200 × 800