Now N64 prototypes for Mario 64, Ocarina and more have reportedly leaked

The source code for further classic Nintendo games has reportedly leaked online, including N64 titles Super Mario 64, Legend of Zelda: Ocarina of Time and more.

The latest data leak follows the discovery of a significant amount of Super Nintendo content on Friday, including working prototypes of many classic games including Super Mario World 2: Yoshi’s Island.

Saturday’s leak could potentially make it possible to recover similar early versions of many N64 games, including the several infamous trade show demos made popular by grainy VHS footage.

Significantly, Saturday’s leak is said to contain an early build of Super Mario 64, dubbed “Ultra 64 Mario Brothers,” with files referencing Luigi. Luigi was originally intended to appear as a second playable character in the launch game, according to a 1996 interview with director Shigeru Miyamoto.

The data is also said to include a second Zelda: Ocarina of Time version with references to the 64DD. An Ocarina expansion was originally planned to release on the failed add-on.

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However, the latest breach is allegedly much larger in terms of raw data than Friday’s and will likely take some time to be pieced together by the modding community.

Many files present in the leak are also said to be corrupted, which could prevent the sort of full demos seen in Friday’s SNES breach from happening.

The full leak is said to include source data for Super Mario 64, Mario Kart 64, Star Fox 64, Wave Race 64, Yoshi’s Story, Legend of Zelda games Ocarina of Time and Majora’s Mask, plus Dr. Mario 64 and Animal Crossing.

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The data is also said to include a version of the Nintendo 64’s operating system.

The leaked data is said to be linked to a larger breach of legacy Nintendo data which was first reported in May.

The data is said to originate from a server hack related to BroadOn, a company Nintendo had contracted to develop Wii hardware and software.

Since 2018 various Pokémon data has been leaked online, including debug roms for Pokémon Blue, Yellow, Gold and Silver, alongside source code, Spaceworld ’99 demos and an internal GameBoy PC emulator.

According to various sources archived on Resetera and Reddit, over 2 terabytes of Nintendo data was allegedly leaked online in May, including the original source code for Nintendo 64, GameCube and Wii.

Test software for the Nintendo 64, including a ‘Mirror House Cornflakes’ demo, were also allegedly included in the leaked data.

The leaks also reportedly contain internal documentation related to GameCube, Nintendo DS, Nintendo 64 (and its 64DD add-on), Wii and the China-only iQue, showing how the systems work and the development processes behind them.

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An alleged Nintendo leak has unearthed early game prototypes

Source code for classic games including Yoshi's Island said to have leaked online

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