Mozilla Hubs
It's like an MMO with bad graphics embedded into a web browser, except there's no fun and you're not allowed to leave and the gameplay is Microsoft Office:<p><a href="https://uploads-prod.reticulum.io/files/70c74c3c-4727-42eb-8520-4396c6401357.jpg" rel="nofollow">https://uploads-prod.reticulum.io/files/70c74c3c-4727-42eb-8...</a><p>This product is psychological abuse.<p>(I did try the demo; I'm not judging solely from screenshots).