Marvel Super Heroes: War of the Gems (Prototype B)

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Title Screen
Marvel Super Heroes: War of the Gems (Prototype B)
Build name N/A
Dump status Released, redump needed
Dumped by Steve Lin
Released by Hidden Palace
File release date January 1, 2022
Origin EPROM cartridge
Labels N/A
Game Marvel Super Heroes: War of the Gems
System SNES
Genre Platformer
Final build JP Sep 12, 1996
EU Feb 4, 1997
US Oct 4, 1996
Release date JP Nov 18, 1996
EU Feb 1997
US Nov 1996
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A prototype of Marvel Super Heroes: War of the Gems for the SNES.


  • Early prototype.
  • Japanese prototype.
  • Boots directly into the Marvel Comics logo screen. The trademark screen has not been implemented yet in this build.
  • Completely different music is used during the opening sequence. The font used for this sequence is different as well.
  • Text changes.
  • After the opening sequence, the game goes right into the main menu. It doesn't say "PRESS START" or show the Capcom logo in this build.
  • Title screen lacks music.
  • The font used on the main menu is different and lacks the jewel as the selector. In this build it uses a ">". The trademark symbol is a slightly different color in this build.
  • Options and Password cannot be selected in this build.
  • This build lacks the post title screen demos. Instead it cycles through every single Player Profile, rather than just one like in the final.
  • The Player Profile screen is missing the character name in bigger front. The screen itself also uses a different font as well.
  • In the final, the stage select screen zooms out before giving you a selection. In this build it just loads up right away.
  • The message box is a different color and lacks the speech. In this build, the text box actually tells you what stage number you have selected.
  • A planet was removed from the final graphic, leaving only the moon and Earth.
  • The placement of the markers are different in this build.
  • Stage 4 is absent from the level select in this build.
  • The icon for Stage 3 is different in this build.
  • Pressing START doesn't select a stage in this build. Only pressing A does.
  • The player select screen says "PRESS START" in this build. The final changed this to say "PLAYER SELECT".
  • The item select screen is different in this build. For some reason it takes a lot longer for the stage to load in this build. All the item icons except for hte one on the far right have been altered/ The back drop on this screen is different and lacks a gradiant.
  • This build is missing the "STAGE START" intro sequence for each stage, and instead just goes into the stage.
  • PAUSE screen uses a different font.
  • Item count is present under the player's HUD at all times.
  • Stage 2 is missing foreground rocks. Enemies use a different palette.
  • Stage 3 is missing the snow foreground layer and has an enemy spawned at the very start of the level.
  • Stage 5 is missing the heat wave effect. This stage isn't normally selectable from the start.
  • The training room is missing from this build.



File Type Date Size Comment SHA-1
Marvel Super Heroes - War of the Gems (Prototype B).sfc ROM file 2016-07-22 22:40:24 2 MB ROM file. bd68ba19211bddb37d7b763ac0934a9c36184c5e


Special thanks to Frank Cifaldi at the Video Game History Foundation and the anonymous donor for this part of the lot! A huge thanks to ehw for researching this prototype!

See also