By A Mystery Man Writer
The psychology behind the Companion Cube's fame
Video game sidekicks: eight of the best, Games
Frontiers Artificial Interactionism: Avoiding Isolating Perception From Cognition in AI
A Companion to Ancient Greek Government
Terraria Wiki Proof - Companion Cube Death Sound.
Spider-Man Writer Breaks Down the Game's Opening
Criticism - e-flux
Companion Cube incineration text GLaDOS
Portal - The Underground / Episode 9: Companion Cube
Weighted Companion Cube - Portal Wiki