Super Mario 64 Splitscreen is a multiplayer mod that is implemented well enough to make it almost feel like a natural part of the experience.
Ocarina of Time Online is a mod that lets you save Hyrule with up to three other players but the experience is more about sharing than working together.
Doom 3 may not be the best Doom game but it’s perfect if you’re looking for a creepy and atmospheric shooter.
If you like the idea of robot ninjas kicking ass, The Ninja Saviors is what you’re looking for. It’s also one of the best beat’em ups on the system.