They even kept in various beta elements and resources too, like early designs for levels and character models not found in the normal game. (gamingreinvented.com)
My first earliest design memory dates from my childhood. (sandrabestdecor.com)
Given that copyright arises automatically upon the creation of an original work fixed in a tangible form issues can arise when a first work is used and subsequent works are made after earlier designs. (slaw.ca)