"P.T. v12.08.2014: produce a useful feature" appears to refer to the release and reception of (the "Playable Teaser" for the canceled Silent Hills game), which was released on August 12, 2014
We all know what happened next. Konami pulled the plug. Kojima left. Silent Hills was cancelled. And on that fateful day in 2015, Konami removed P.T. from the PlayStation Store forever. P.T. v12.08.2014
I pressed 'X' to open it.
: Unlike standard demos, P.T. offered no hand-holding. Its final puzzle was so obtuse that Kojima expected it to take weeks to solve; instead, the internet cracked it in hours. A Digital Ghost which was released on August 12