The only "web3" service I've seen is
and it's pretty bad. It has two things going for it: (1) you can play without a wallet, and (2) you can play with a browser. Numerous things are wrong with it such as: (1) not fun, (2) crashes and hangs all the time, (3) it's a ghost town, ...
What irks me the most is the mindlessness of these people in ignoring the "Web 3.0" label that had been coined by the W3C for the semantic web.