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Mario Oasis

Hack of Super Mario Bros. 3


Mario Oasis is a medium-difficulty, non-kaizo hack, great for streaming and speedrunning.

There are some levels with alternate exits (indicated by a subscripted 2 on the tile), and some of those levels will also place you on a different place on the map upon completing the level.

Three main worlds are present. PLUS a 6-level challenging STAR world and of course a Warp Zone (and something else)… 40 levels in all, 47 exits.

Take a peek at the enclosed README document for all updates, shout-outs, as well as for some helpful tips (and some detailed schematics about the game).


  • March, 2023: 2 hotfixes involving level pointer, objects. Overhauled the design of 90% of all levels, improved the gradation of difficulty within worlds / across hack, reduced difficulty by removing all kaizo elements. Also, rerouted some overworld travel, simplified some situations, and refreshed graphics in a handful of places.

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



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ContributorType of contributionListed credit
Blue FinchHacking

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