Vibe coders need to stop trying to use the browser as a platform for complex games. It's never going to work out and will always lead to a slow, unplayable, piece of shit. If you want to make a game then just make it a desktop program... There's a reason why literally every modern game is built in this way.

These aren’t JavaScript apps, they compile to WASM which actually has really good performance. Probably not as good as native assembly but for an old game it’s easily more than enough.