This looks like a game made in unity with default blender meshes and free assets made by some 16 year old who has no idea what level design is or how videogames even work, all for the cheap price of global warming, even that stupid ugly thing I made last year in unreal has better level design lol
Project Genie is an an experimental research prototype that Google gave @jaypeters.net access to this week, though he may not be using it in exactly the way Google intended.
Here's Jay's version of something like Super Mario 64:
www.theverge.com/news/869726/...