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Mario's Toxic Plunge

Hack of Super Mario Bros.


Mario finds himself in a post-apocalyptic world ridden with acid and toxic waste. With the princess gone, Mario knows what he must do: travel through eight areas to rescue the princess from his nemesis’s clutches and restore order to the Mushroom Kingdom.

This hack was made in ten days for SMB Jam 2023 and placed third out of eight entries. Compared to the original jam release, the graphics bank-switching routine has been modified to account for bus conflicts present on genuine cartridge boards.

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
Simplistic_MemesHackingASM modifications, level design, music arrangements

User Review Information

Unique feed

Reviewed By: diablo666 on 30 Sep 2023

Graphically, this is an interestingly constructed landscape consisting of elements of Mario 1 and Mario 3. Plus, the color palette - just shows the essence of this hack. Does not hurt the eyes, not bad, aesthetically dark.

Music is my homage. Sounds good and unique in a way.

A unique style is to submit a hack as in the style of GB games or in spirit as Contra.

Personally, I really liked this approach and it seemed like something fresh and original, so I recommend you to familiarize yourself.

Version 1.01 Recommended - Yes

User Reviews
Great World!Mother Kojiro27 Nov 20231.01Yes
Unique feeddiablo66630 Sep 20231.01Yes