Armored Figure with Glowing Helmet — Black

1600 × 900

Rusty Armored Figure

1280 × 1024

Armored Figure with Weapon — Green

1920 × 1200

sci-fi characters on alien planet

1920 × 1080

Aperture Science warning sign

1392 × 1536

Giant Alien Creature — Black, Dramatic

1680 × 1050

Giant Alien Creature — Orange, Dramatic

1680 × 1050

space ships in alien sea

1680 × 1050

Command & Conquer: Tiberium Wars artwork

1920 × 1200

Star Trek Online spaceship

2560 × 2048

human and alien in quiet moment

1920 × 1080

Half-Life 2 promotional art

1600 × 1200