Zork , the classic text based adventure game of incalculable influence , has been made available under the MIT License, along with the sequels Zork II and Zork III . The move to take these Zork games open source comes as the result of the shared work of the Xbox and Activision teams along with Microsofts Open Source Programs Office OSPO. Parent company Microsoft owns the intellectual property for the franchise. Only the code itself has been made open source. Ancillary items like commercial...