Runs at a couple hundred FPS if left uncapped, and has very good netcode.
https://poki.com has 30 million monthly active users. That's more than e.g. DOTA 2, CS:GO, or any other single Steam game. Yes there is a lot of trash, but there is also some decent stuff on there.
Venge.io
It looks even worse that Quake3 to me and it's gameplay is just dull.
Aren't you just moving the goalposts now?
Yeah, they did. Goalpost went from "is it even feasible" to "did the devs implement a compelling game" as if it was impossible to create a compelling game over the web.