He went silent after the Theater crashed since the theater was the friendlier and easier place for doing this on-going game dev stuff.
Though given what he had planned for the game and some of the scaffold stuff he left in game, I'm guessing the project got WAAAAAY to much for him to handle and, like Deus before him, he bolted in fear from his own creation. Shame cause it's a great game with some fucking cracking scenes and a hell of a lot of potential! Just it seemed to accidentally snowball in to a huge a beast that would be a long development and struggle even with a team of people, let alone on his own