Use the "Clarity Boost" feature in Microsoft Edge. It improves the visual quality of the stream specifically for Xbox Cloud Gaming. Also, bring a Bluetooth controller (Xbox, PS5, or even a Switch Pro controller works).
If you truly need a browser game that isn’t blocked: unblocked forza horizon 5
If you are on a device that cannot install the game (like a Chromebook) or a network that blocks large downloads, the only way to play the real Forza Horizon 5 is through Cloud Gaming. Use the "Clarity Boost" feature in Microsoft Edge
Cloud gaming streams the game video to your device over the internet, similar to how Netflix streams a movie. Because the game is running on a remote server, your device's hardware doesn't matter, and the file size is negligible. If you truly need a browser game that
Here are the services that currently offer Forza Horizon 5: