The first time he launched it, the interface flickered like a dying neon tube. The preview window didn’t show a test pattern—it showed a grainy security camera feed of his own basement , from an angle that didn’t exist. He spun around. No camera. Yet on-screen, his reflection waved back. Three seconds before he actually waved.

That night, he ran a final test. He fed Arena 6 a single black JPEG and mapped it to the basement walls. The output wasn’t darkness. It was a feed of the club above the basement—twenty years ago, during a legendary closing set. He saw dancers who had since passed away. He saw himself, younger, in the crowd, watching a VJ who looked a lot like… him.

The software wasn’t just playing video. It was re-rendering causality .