| Problem | Solution | |---------|----------| | Black screen | Disable hardware acceleration in browser settings | | Laggy input | Close other tabs; use Chrome or Edge (not Firefox for some versions) | | "Blocked by admin" | Try HTTPS version ( https:// instead of http:// ) or use a free VPN like ProtonVPN's free tier | | Game loads but won't start | Allow Flash? (Only very old versions – most now HTML5). Clear cache. |