Related to Portal 2 Title Screen — Blue, Minimalist

Companion Cube with Hearts — Blue, Melancholic, Digital Art

1920 × 1200

Silhouette of Robotic Arm

1366 × 768

Mass Effect 2 Logo — Brown, Dramatic

1920 × 1080

Companion Cube — Blue

1920 × 1200

Armored Soldier Head

1024 × 768

Silhouette of a Camera

1920 × 1200

Silhouette of a Robot — Black

1920 × 1200

Glowing Blue Portal Device

1280 × 800

Robot Helmet with Glowing Lights — Black, Dramatic, Night, Digital Art, Glowing Red Lines

2560 × 1600

Half-Life 2 Weapon Icons — Black

1920 × 1200

Planets in Space — Black, Dramatic, Digital Art, Asteroids, Explosion

1600 × 1200

Tall Building Structure

1024 × 768

Futuristic Bar Interior — Red, Dramatic

1280 × 1024

Anime Girl in Futuristic City — Blue, Afternoon

1400 × 948

Soldier in Armor — Gray, Dramatic, Digital Art, Mountains

1600 × 1200

Alien Structure on Planet — Gray, Dramatic, Ominous, Digital Art

1680 × 1050

Alien Character in Helmet — Blue

2560 × 1600

Space Battle Scene — Gray, Dramatic

1920 × 1200

Soldiers in Tactical Gear — Blue, Dramatic

1920 × 1200

Halo 4 Logo — Blue

1600 × 869

Galactic Football character art

1024 × 768

Portal 2 Title Screen — Blue

1980 × 1200

Cake Slice Icon

1280 × 800

Portal 2 Logo — Gray, Neutral, Digital Art

1920 × 1080