What is Mario 64 B3313?

B3313, also known as Super Mario 64 Internal Plexus, is an ambitious ROM hack of Super Mario 64 developed by Chris R. Lillo and his team. It stands out as the largest beta-based SM64 hack to date, featuring over 460 power stars and a vast array of interconnected areas. (mario64hacks.fandom.com)


🧭 What Is B3313?

B3313 transforms the familiar Super Mario 64 experience into a surreal and labyrinthine journey through a mysterious version of Princess Peach’s castle. Inspired by urban legends like the "Every Copy of Mario 64 Is Personalized" creepypasta, the game introduces an "internal plexus"—a network of unexpected and often eerie areas connected through warps, doors, and pipes. (b3313.fandom.com)

The hack incorporates beta assets and concepts from various development versions of Super Mario 64, creating a disorienting yet nostalgic atmosphere. (mario64hacks.fandom.com)


🎮 Key Features

  • Extensive Star Collection: With over 460 power stars to collect, B3313 offers a substantial expansion to the original game's content. (mario64hacks.fandom.com)

  • Surreal Level Design: The game's levels are designed to be unconventional and unpredictable, often lacking clear coherence, which contributes to its unique and unsettling experience. (Reddit)

  • Beta-Inspired Mechanics: The gameplay includes mechanics reminiscent of beta versions of Super Mario 64, such as altered character movements and physics, adding to the game's nostalgic feel. (b3313.fandom.com)

  • Atmospheric Sound Design: The soundtrack features remixes and recreations of music from beta content, enhancing the game's eerie ambiance. (b3313.fandom.com)


📅 Development Timeline

  • 2020: Development of B3313 began.

  • April 26, 2021: The first public build, v0.4, was released.

  • July 29, 2021: A major update, v0.6.1, was released, referencing the "07/29/1995 build" meme.

  • November 22, 2021: Version v0.7 was released on the 26th anniversary of the Shoshinkai 1995 build.

  • May 8, 2024: Version 1.0.2, the official release, was made available.

  • December 24, 2024: The "A2 Anniversary Edition" was released as an unofficial update. (b3313.fandom.com)


🧩 How to Play B3313

To play B3313, you'll need to patch the ROM yourself:

  1. Obtain a Clean ROM: Get an original Super Mario 64 ROM.

  2. Download the B3313 Patch: Obtain the B3313 patch file (usually in .bps format).

  3. Apply the Patch: Use a patching tool like Hack64 to apply the B3313 patch to your ROM.

  4. Play the Game: Load the patched ROM using an emulator or flash it to a compatible cartridge.

Please ensure you own a legitimate copy of Super Mario 64 before patching.


🧠 Final Thoughts

B3313 offers a unique and unsettling twist on the classic Super Mario 64 experience. Its blend of beta content, urban legend-inspired design, and surreal level structure creates an atmosphere that is both nostalgic and eerie. For fans of Super Mario 64 and ROM hacking, B3313 provides a fresh and thought-provoking take on the beloved game.

If you're interested in exploring this ROM hack, you can find more information and download links on the B3313 official wiki.