Unreal Engine 5 can limp on my browser, and usually most demos end up crashing it, not really a good example. What is the most successful game on the browser,

Unreal Engine 5 can limp on my browser, and usually most demos end up crashing it, not really a good example. What is the most successful game on the browser, done with Unreal 5 that can compare to Flash 3D games, other than the citadel demo done with Unreal 3, and with Infinity Blade graphics as baseline? Exactly, crickets.