The question is how easy could it be to implement in something like MBG (basic things like draw distance change, gravity change to 0, Set time scale to 2 or something etc...)
Heres the video itself showing some of it's goofiness.
Some guy that does DTS shapes and levels.
AWESOME time HINT : When making PQ level place your custom interiors and textures in platinum/data/interiors_pq/custom
makes life easier for you and everyone else