We'll see Portal Companion Cube PC covers after the release of the Valve Steam Machine models.

Dbrand is now officially selling its Portal-themed Companion Cube case for Valve's yet unreleased Steam Machine, shipping in ...

Dbrand has officially launched its long-awaited Companion Cube-themed case for Valve’s upcoming Steam Machine.

For this experiment, we do not recommend using your Steam Machine Companion Cube™ for anything other than display and ...