Everybody’s Gone to the Rapture. Mad Max. Fallout 4. Star Wars Battlefront. In a year of stunning videogame landscapes—or at least landscapes that are mildly pleasing, so long as you enjoy dull, pretty pictures—Off-Peak, by Cosmo D, is exceptional. Its train station cum art gallery is an evocation of art versus functionality, of a world and an industry where talented creators are trained to become commodities. Musicians are gathered here. Artwork and posters adorn the walls. Above you hangs a life size sculpture of a blue whale. Around you, people of all shapes, sizes and skin colours sip coffee and…