I am currently playing the latest Splatoon 3: Sider Order DLC on my PC and the game runs perfectly in it. All you need to do is install the latest build of Yuzu emulator into your devices such as in PC, Steam Deck or into your android mobile device. So be sure to watch this guide and follow through all the steps that you need to do.
Official Site https://approms.com/splatoon3ryuzu
PC Specs tested on: Emulator: Yuzu 1727 (Public Build) CPU: Intel I7-8700 RAM: G.Skill TridentZ 16GB GPU: Zotac RTX 2070 Super CPU: ID-Colloing 240 AIO MOBO: Gigabyte Aorus Z390 Elite SSD: Samsung 970 EVO Plus 500GB HDD: Seagate Barracuda 3TB PSU: Seasonic FOCUS Plus 850W Case: NZXT H500 OS: Windows 11