At this time, there is no known way to play this title.
The author's dissertation discusses his work on The Playground in great depth.
Brenda Laurel's write-up of her time at Atari's think tank were foundational inspirations for the Oz Project.
A version of the Hap system ported into Inform.
Thinkers including the founder of the Oz Project discuss the challenges with increasing the intelligence of interactive story systems.