Modder puts Super Mario 64 on PS2, hacks in co-op, and adds online multiplayer with the N64 version, all through the power of Sony's secret PS1 chip: "It works much better than ...

It's similar on the N64 end, where Carl uses a customized N64 cart he previously built with another Pico built-in. From there, he 'simply' adds a second instance of Mario to each game, and transmits ...
Kotaku

Super Mario Bros.: Two Players Hack

All the Latest Game Footage and Images from Super Mario Bros.: Two Players Hack Super Mario Bros.: Two Players Hack is a ROM hack/mod of Super Mario Bros. which adds two players simultaneous gameplay ...
Engadget

A nifty hack made Mario a playable character in 1994's Donkey Kong Country

Mario and Donkey Kong have been rivals, frenemies, go-kart competitors and tennis partners. The Italian plumber once kidnapped Donkey Kong’s son. DK once, uh, took over Mario’s toy company (?) and ...
Kotaku

Journey to the West: A Super Mario Bros. ROM Hack

All the Latest Game Footage and Images from Journey to the West: A Super Mario Bros. ROM Hack Journey to the West: A Super Mario Bros. Rom Hack is an adaptation of the classic Chinese novel Journey to ...