Look for community launchers supporting sm64ex-coop or similar forks on GitHub.
With the mod, you can finally re-experience one of the greatest games of all time with a friend on the couch. Super Mario 64 Splitscreen Multiplayer -Normal ...
Project64 v2.3+ or m64p (Parallel64 core is best). Emulator Configuration Graphics: Use GLideN64 for stable splitscreen rendering. CPU: Set "Counter Per Op" to 1 to prevent lag. Input: Map two separate controllers in the input settings. 🎮 Gameplay Features Super Mario 64 Splitscreen Multiplayer -Normal ...