You must install Switch Firmware 15.0.1 or higher. Use the Tools > Install Firmware option within Ryujinx. Ensure your prod.keys file is up to date, or the game will refuse to boot.

This is often due to . Performance improves as you play and the cache builds up. White Screen/Lighting

Emulation itself is legal, but you must from a Nintendo Switch console you own, along with the required console keys and firmware. Downloading games or keys from unauthorized sources is piracy and violates copyright law.

: Minor stutters may still occur during intense action sequences as the emulator compiles shaders. Audio Sync