Hacking. Dial tone. Cassette decks. Sabotage. Suitcase decks. Brainbox injectors.Quadrilateral Cowboy is a single-player adventure in a cyberpunk world. Tread lightly through security systems with your hacking deck and grey-market equipment. With top-of-the-line hardware like this, it means just one thing: you answer only to the highest bidder. The Standard Edition includes: Quadrilateral Cowboy. Developer Commentary. Reference Manual.