Super Mario World 2: Yoshi's Island (Dec 6, 1994 prototype)

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Title Screen
Super Mario World 2: Yoshi's Island (Dec 6, 1994 prototype)
Build date Dec 6, 1994 19:17:00
Build name ys_romX_0
Dump status Released
Released by Anonymous
Origin 2018 Nintendo data breach
Lot 2018 Nintendo data breach
Files other.7z\SFC.7z\SFC\ソースデータ\ヨッシーアイランド\日本_Ver0\sfc\ys_romX_0.bin
Game Super Mario World 2: Yoshi's Island
System SNES
Genre Platform
Final build JP Jun 29, 1995
Release date JP Aug 5, 1995
US Oct 4, 1995
EU Oct 6, 1995
AU Dec 1995

A prototype of Super Mario World 2: Yoshi's Island (under the name Super Mario Bros 5: Yoshi's Island), dated December 6th, 1994, approximately seven months before the final build.

Notes

To fix header:

  • 0x7FBD => 0x05
  • 5 bytes starting at 0x7FD5 => 0x20 0x15 0x0B 0x00 0x00.
The Cutting Room Floor research