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Mega Man: Dr. Wily's Revenge

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Title Screen

Mega Man: Dr. Wily's Revenge

Also known as: Rockman World (JP)
Developer: Minakuchi Engineering
Publishers: Capcom (JP/US), Nintendo (EU)
Platform: Game Boy
Released in JP: July 26, 1991
Released in US: December 1991
Released in EU: 1992


AreasIcon.png This game has unused areas.
EnemyIcon.png This game has unused enemies.
GraphicsIcon.png This game has unused graphics.
MusicIcon.png This game has unused music.


ProtoIcon.png This game has a prototype article
PrereleaseIcon.png This game has a prerelease article

Mega Man: Dr. Wily's Revenge is the first game in the Game Boy Mega Man series, starting a tradition of mixing bosses from a corresponding NES counterpart and its succeeding installment.

Early Fire Man Stage

Click to enlarge and actually see stuff.

On the stage select screen, change memory address $DF8C to $08 or use GameShark code 01088CDF, and press Start. You should be taken to an early version of Fire Man's stage. Only three objects exist here: an extra life, a large weapon pickup, and Fire Man.

The stage layout is very different from the stage found in the final game, and even the one found in the prototype! It does share some elements with the prototype version's level, though. It is also worth noting that this stage exists in the prototype as well, and can be accessed exactly the same way.

  • Its default background music is an "unused" track not heard anywhere else in the game (see below).
  • The background tiles are darker.
  • Both the prototype and this version of the stage use tiles that go unused in the final version (see below).
  • The twin boss doors are in place. Like in the prototype, they don't actually work, so the designers put a ladder in place to reach Fire Man.
  • Oddly, defeating Fire Man in this stage earns the player the Atomic Fire ability, rather than the Fire Storm.
(Source: Original TCRF research)

Unused Enemies

Drillun

This isn't going to pierce the anything

A simple drill enemy is present with the rest of the enemy graphics, but it's never used in the final game. However, it is used in the prototype, where it simply drops down from the ceiling and rises back up.

Its name, Drillun, is located in the ROM with the rest of the enemy names found in the credits. It comes right before the Cutting Wheel.

Set ROM address 0x1404E to $0D to replace the first Screw Driver enemy in Cut Man's stage with a Drillun.

Pico Pico

Get two picos for the price of one pico from our competitors. Ask about our Crazy Bread

This enemy, used as part of a boss fight in Mega Man 2, never appears in this game. All that remains of it is its sprite and name in the enemy list.

(Source: Original TCRF research)

Early International Title

We all live in a Mega Man World

At some point, the US and European versions were going to keep the "World" suffix that the Japanese version used. No idea why they decided to change it. Curiously, the Mega Man 11 trailer video does refer to the Game Boy Mega Man games as "Mega Man World series".

Interestingly, the location of the TM on the final title screen seems to match up with the early "World" title.

Unused Music

One track is unused in the game through normal means. It seems to be an alternate version of the ending theme, but is instead used in the prototype version of Fire Man's stage (shown above).

(Source: Original TCRF research)

Unused Tiles

A few level tiles are unused in the final game. Some of those tiles appear in a prototype version of Rockman World.

Cut Man

Looks like it might hurt a bit

Nope, does not hurt at all

While Cut Man's stage does have plenty of bottomless pits, there aren't any spikes present. In addition, if one of these is placed in the stage, it is miscolored and does not harm Mega Man at all.

MMDWR-cutdoor.png

Tiles for a boss door. These were used in the prototype, however the final game uses different door graphics, rendering these tiles unused. The equivalent door graphics for every other stage no longer exist.

Elec Man

Clouds with lines dot png

Some unused cloud tiles. These should have appeared at the bottom of the screen, but don't.

Fire Man

Lines with lines dot jpg

These tiles are used as a border for the Dr. Wily logo in the prototype and early versions of the level. For whatever reason, they're not used in the final version.

Ice Man

ʇıq ɐ ʇɹnɥ ʇɥbıɯ ʇı ǝʞıן sʞooן

Ceiling spikes. These never appear in Ice Man's stage, or anywhere else in the game for that matter.

Wily Fortress

It's a ladder

Wily's Fortress has no ladders...in the final version, anyway. They do appear in a room of the prototype, though.

Wily Spaceship

Block block block

Two different blocks and what appears to be ceiling and floor spikes. The prototype uses the first block in one room. The first block appears similar to the blocks from the Pico Pico boss fight in Mega Man 2.

(Source: Original TCRF research)

Other Unused Graphics

MMDWR-tiledoor.png
More boss door tiles, found among other "global" tiles like the Wily logo. While these use the exact same design as the boss doors used in-game, the used boss door is a sprite, while this unused door here is stored as a tile.

MMWRBlockBar.png
Part of the game's font are these shaded blocks. They seem pretty nondescript, but thanks to some prerelease screenshots we know what they were used for.

MMWRCutManBox1.jpg
They were used as filler when the Boss and Weapon Energy bars weren't needed.

Prerelease Mockup Final Game
MMWRDisplayMockup.png MMWRDisplay.png

Here's how the display would look if they were still part of the HUD. They're no longer used in the final game, leaving white space where the meters should be.

(Source: Original TCRF research)