Metal Slug Advance (Prototype)

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Title Screen
Metal Slug Advance (Prototype)
Dump status Released
Dumped by endrift
Released by endrift
File release date June 4, 2020
Origin GBA Developer Flash Cart
Game Metal Slug Advance
System Game Boy Advance
Genre Run and gun
Release date JP Nov 18, 2004
US Dec 2, 2004
EU Nov 12, 2004
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A prototype of Metal Slug Advance for the Nintendo Game Boy Advance.


  • Prototype originates from two cartridges. The build featured on both seems identical, but one of the carts seem to contain null bytes at $400000 with no other major changes between the two. Both dumps are contained in the archive.
  • Title screen lacks a trademark symbol.
  • Game contains two game saves built into in the ROM in slots 2 and 3.
  • The level card only displays the backdrop in the prototype.
  • The opening scene when starting a new game hasn't been implemented yet.
  • The color of the BOMB count in the hud is silver in the prototype. In the final, it's orange.
  • Pausing the game does not dim the background in the prototype.