The continued popularity of the Portal series should not be under estimated. Along with a series of various different items of merchandise, Valve intends to let players relive their Portal fantasies by becoming a test subject themselves.
via N4G: pc news feed http://n4g.com/news/1170868/portal-test-subject-costume-now-available
via N4G: pc news feed http://n4g.com/news/1170868/portal-test-subject-costume-now-available