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Porymap 6.3.1

A map editor for the Pokémon generation 3 decompilation projects

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About Porymap

Porymap is a cross-platform map editor for the Gen 3 pret decompilation projects. Its primary functions are to allow editing map tiles, collision, events, connections, and properties. Porymap provides additional functionality, such as tileset editing and region map editing.

Those familiar with traditional Gen 3 binary ROM hacking can think of it as the Advance Map equivalent for the decompilation projects. Porymap supports the same features as Advance Map, so Advance Map users shouldn’t have much difficulty learning how to use Porymap. There are many usability improvements in Porymap. The most notable is undo/redo when painting map tiles.

Porymap reads and writes files in the decompilation projects. It does not read or write ROM files. Therefore, it is highly recommended to use Git for version control when working with Porymap.

License: GPL-3.0-only
Release info New Release on Apr 11, 2026
Release notes Added

• Add support for INCGFX.

• The regular expression for parsing INCBIN / INCGFX is now available under Project Settings.

Fixed

• Fix degraded image quality in exported timelapse gifs.

• Fix custom top-level data in the encounters object of wild_encounters.json being discarded if no fields data is present.

• Fix event sprites sometimes rendering with incorrect transparency temporarily after a sprite change.

• Fix event sprite names that appear in symbol_obj_event_gfx_pointers by value and not by name not rendering with the correct sprite.
Related tags Nintendo Pokemon GameBoy
Listing dataFlathub

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