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Recent Updates

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  • Utilities
    Due to the fact that CajeASM hasn't been updated by me for many years, still has some odd bugs regarding instruction counter and due to the fact that (nowadays) better alternatives exist now, I've decided to delete this tool from this website. An alternative assembler I can recommend is bass, currently maintained by ARM9. To be found here:
  • Reviews
    Upon further play, I discovered this hack broke an integral system to the game (the dash function).
  • Translations
    Source code link added.
  • Translations
    Source code link added.

Super Mario Co-Op Coin Challenge

Hack of Super Mario Bros.


The Super Mario Bros. Co-Op Coin Challenge (Coins Hurt Mario But He Can Jump On Them!) By NesDraug (Additional asm by StudsX)

STORY The Mushroom Kingdom has fallen under a spell, all coins are now enemies and will hurt Mario! Mario will bounce on the coins just like regular enemies, but watch out! The coins are cursed and strange things will happen if you touch them. Luckily Luigi is immune to the curse and can help his brother to navigate through the dangers. There are however lots of other enemies in disguise, camouflaged into powerups trying their best to make life hard for our heroes.

DISCLAIMER This game is designed to be played in either single player or co-op mode. Player 1 is going to be able to finish the game on their own - although there may be some paths that can only be accessed by Player 2.

PATCH The hack is built upon the two player hack by CorpseGrinder and Ti. Just patch the original version of Super Mario Bros. with the ips provided in this download.

STAFF Levels, graphics and music by NesDraug.

Special thanks to StudsX for adding the new sound engine to the hack and updating the boss fight and the boss music.

Also special thanks to CorpseGrinder and Ti for making the Two Player patch.

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




ContributorType of contributionListed credit
NesDraugHackingLevels, graphics, music and overall production
StudsXHackingAdditional asm and music

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