Perhaps the most remarkable aspect of Mel Croucher’s Deus Ex Machina is how unremarkable it is. Although, that’s not quite true. Created way back in 1984, it’s among the first videogames to give rise to the “is it a game?” debate, while its author asserted its position as a piece of art and an “interactive film”—two concepts that had yet to be explored at all. When it was released 31 years ago, it came spread across two chunky cassette tapes; one containing the game code, the other its soundtrack. And this soundtrack wasn’t only a sequence of music: it was…