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Mario Oasis

Hack of Super Mario Bros. 3


Mario Oasis is an enjoyable, medium-difficulty rom hack. The challenge of the game varies amongst worlds, with some levels being harder than others. There are some levels with alternate exits, and some of those levels will also place you on a different place on the map upon completing the level…

There is overworld exploration in this game, and it is not strictly about level play. Look around! Use those hammers wisely!

Three worlds are present, plus a STAR world which is accessible by warp whistle. 40 levels in all, many with bonus sections connected by pipe or invisible note block.

Take a peak at the enclosed README document for all updates, shout-outs, as well as for some helpful tips and insider info about the romhack itself.


  • 1.2 Smoothed out some difficult transitions or setups that are too tight.
  • 1.3 Fixed a super-tight p-switch timer section in last dungeon level.
  • 1.4 Manually HEX edited final princess message for Mario.
  • 1.8 See README for all current updates.

ROM / ISO Information:

  • No-Intro Name: Super Mario Bros. 3 (USA)
  • (No-Intro version 20130731-235630)
  • File MD5: BB5C4B6D4D78C101F94BDB360AF502F3
  • File SHA-1: A03E7E526E79DF222E048AE22214BCA2BC49C449
  • File CRC32: 85A79D9C
  • ROM MD5: B76F978AD3076EA67F2B0ACA7399C9E9
  • ROM SHA-1: A611B90B4833B20A364BF06EE3BE3B9093EA4DF9
  • ROM CRC32: A0B0B742




ContributorType of contributionListed credit
Blue FinchHacking

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