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Mega Man II Music Improvement

Hack of Mega Man II

Description:

Mega Man II/Rockman World II is notorious as the black sheep of the Game Boy Mega Man games for many reasons. Perhaps the most glaring of these is its peculiar soundtrack, which is bizarrely high-pitched, off-key, and extremely grating compared to pretty much any other Game Boy game, let alone the rest of the series.

This hack attempts to improve the music by fixing two apparent errors:

1. The first is an objective programming mistake: the game’s note-to-frequency conversion table is wrong. Some values are correct while others are one higher than they should be, resulting in over a quarter of the notes playing off-key.

2. The more obvious problem, and the more subjective one, is that much of the music has the lead instruments set an octave higher than most people find pleasant.

Problem 1 is a simple fix: the frequency table has been regenerated with the correct values, fixing the out-of-tune notes.

Problem 2 has been handled, in most cases, by lowering the two square channels (used for leads) one octave and leaving the wavetable channel (used for bass) untouched. A few tracks have been handled specially; see the readme for details.

Note that the sound effects are unchanged, as they’re stored in a different format that directly specifies the intended frequencies instead of doing a note-to-frequency conversion.

Included in the download are three IPS files, one for each of the game’s regional variants (Japan, USA, and Europe).

ROM / ISO Information:

  • ===Japanese Version===
  • No-Intro filename: Rockman World 2 (Japan).gb
  • CRC32: C34D265E
  • MD5: C05B47DF8BDFE770BE228E51BC42DA84
  • SHA-1: 5D35BAA2FADD07796ED8B441F82ED5B136A999C7
  • ===USA Version===
  • No-Intro filename: Mega Man II (USA).gb
  • CRC32: E496F686
  • MD5: 7FE07271D04ED9E0BC0663DDE55A2AE4
  • SHA-1: 334F1A93346D55E1BE2967F0AF952E37AA52FCA7
  • ===European Version===
  • No-Intro filename: Mega Man II (Europe).gb
  • CRC32: 5E90CB48
  • MD5: B9CFEE05797BEB8FF7E259EE77EAF2FB
  • SHA-1: D19993A4630E7F9450FF6469115F4095F6F29667

Links:

Screenshots:


Credits:

User Review Information

Very hard to go back to the original after this

Reviewed By: Chewbatrij on 02 Apr 2020

I’ve waited years for a hack like this. I don’t know how I played the game back then in its original state. Today the original music mostly grinds my ears. This hack makes my very first Mega Man game feel like a true part of the series. Thank you.

Version 1.0 Recommended - Yes

User Reviews
HeadlineAuthorDateVersionRecommended
Turns a black sheep into a hidden gemPowerPanda18 Apr 20201.0Yes
Definitely Easier On The EarsEldrethor18 Apr 20201.0Yes
Fixes a game breaking bug with the soundhdofu17 Apr 20201.0Yes
Very hard to go back to the original after thisChewbatrij02 Apr 20201.0Yes
Your ears will thank you.Chronosplit18 Apr 20201.0Yes
The first Mega Man Game i ever beat.Mindflower25 Oct 20191.0Yes
Music made bearable, and in some cases, goodThirteen 135504 Oct 20191.0Yes
Spooniest Bard ApprovesSpooniest02 Oct 20191.0Yes