DOS Games Discussion

It may have been Battlethingz by Jagex, but I didn't see any photos or YouTube results in a few searches. I found a post on that subreddit which led to a Jagex Fandom page. It sounds 100% like the game I was thinking of. Now I just need to check if Games Domain was the correct website. It is listed ...

I'm looking for an old website that contained (what I believe was) Flash games. Instead of just clicking on links to open individual games, you wandered around a dungeon and would open doors, which would then start the Flash game you chose. You could also chat with other players while in this lobby....