Deep Down's cancellation and the PS5 compatibility listing for it suggests quite a lot of weirdness going on
DMCA'd results, no results in URL dumps, but apparently it does run on the PS5 according to the API

Someone at Sony must be playing it right nowhttps://t.co/3JcqTVe6lq

— PixelButts (@PixelButts) October 30, 2020