Game Title: Portal

Set: Not part of a set

Released As: Commercially available keychain

Country: USA, Australia (+ possibly others?)

Manufacturer: A Crowded Coop

Year: 2012

Other Info:
This Portal Companion Cube plush keychain joins with the set of 3 Portal 2 plush keychains to make a total set of four plushes.

This were originally available from the Valve online store, as well as several other online and physical stores.