Don't be surprised to find more game-worlds within-games like this sooner rather than later. Perhaps the most engaging game-within-ROBLOX I found was Pokemon.

The Roblox metaverse is home to a series of titles inspired by popular manga franchises, and many will be familiar with the iconic Pokémon series created by Japanese artist Satoshi Tajiri.

As gaming hits draw tens of millions of simultaneous players, Roblox engineers make sure the internet’s youth never deal with buffering.