If Portal 2 were to be a film and if it were to be released in the 1970’s, it’s promotional poster would be something like this.
As seen on: http://tristanreidford.blogspot.com
If Portal 2 were to be a film and if it were to be released in the 1970’s, it’s promotional poster would be something like this.
As seen on: http://tristanreidford.blogspot.com