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Astral World

Hack of Super Mario Bros.


V1.1 —

  • Cloud level bugfix
  • Music test text fix

V1.0 — A sci-fi themed hack consisting of 4 worlds with 16 levels in total. Mario has been erroneously teleported to an alien planet and needs to find his spaceship to get back home. The hack is of medium-hard difficulty and is mostly recommended to people who have already mastered the original SMB1. Some levels require you to go into the right pipe, walk through the right door, or hit the right vine to finish.

The concept for this hack dates to June 2017. Initially being nothing more than a graphical test created by Patty, it was reworked to be a proper hack starting in the Summer of 2020. In 2023 it received a massive upgrade in its music and coding, courtesy of StudsX. Most of the levels were done by Patty, with tweaks done by StudsX and Eden GT. 1-4 was designed by StudsX.


  • 1-1 - Arrival at the Planet
  • 1-2 - Under the Surface
  • 1-3 - Island Hopping
  • 1-4 - The First Lair
  • 2-1 - Waterfront Stronghold
  • 2-2 - Waterfront Cave
  • 2-3 - Starry Paradise
  • 2-4 - Firebar Fortress
  • 3-1 - Amethyst Ice Cave
  • 3-2 - Abandoned Underworld
  • 3-3 - Pink Velvet
  • 3-4 - Convoluted Citadel
  • 4-1 - In the Pink of the Night
  • 4-2 - Night-Time Madness
  • 4-3 - Heavenly Stronghold
  • 4-4 - Maze of Freedom

ROM / ISO Information:

  • Database match: Super Mario Bros. (World)
  • Database: No-Intro: Nintendo Entertainment System (v. 20210216-231042)
  • File SHA-1: EA343F4E445A9050D4B4FBAC2C77D0693B1D0922
  • File CRC32: 3337EC46
  • ROM SHA-1: FACEE9C577A5262DBE33AC4930BB0B58C8C037F7
  • ROM CRC32: D445F698



RHDN Hack ImageRHDN Hack ImageRHDN Hack ImageRHDN Hack Image


ContributorType of contributionListed credit
Peppermint PattyHackingDirector, Level Design, Logo, Graphics
StudsXHackingDirector, Level Design, ASM, Music
Eden GTDesignTitle Screen Design, Secret Level Designer (post-game)

User Review Information

"Mario's unique adventure in a new world"

Reviewed By: diablo666 on 28 Sep 2023

“Mario’s unique adventure in a new world” - this is my general slogan for the hack. But in more detail, this is:

  • Unique in graphic terms. Uses more animation frames and animating the world.
  • Good and high-quality music. To some extent, I think they used a different sound engine
  • Difficult, but well-developed levels. They are a pleasure to study and play

In general: A good project, in which a lot of effort is really invested and it deserves to get into your collection of games

Version 1.0 Recommended - Yes

User Reviews
A challenging yet rewarding experiencee20norr01 Oct 20231.0Yes
"Mario's unique adventure in a new world"diablo66628 Sep 20231.0Yes