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Pokemon Synthesis GBA

Pokemon Synthesis

Download Pre-patched Pokemon Synthesis GBA Rom

  • Creator: Lethesis
  • Version: v0.1.0
  • Updated: August 5, 2026
  • Language: English
  • Progress: Playable Demo

Pokemon Synthesis is a GBA Rom created by Lethesis, available in English. The current progress is Playable Demo. Latest version: v0.1.0. It was last updated on August 5, 2026 and is now available to download.

Description

Pokemon Synthesis is a semi open world project that lets you explore each area of the Veldan region freely until you are ready for the local champion.

Game Progress

Around a few hours
Only contains the first area (which is the smallest one with less exploration)
Ends after defeating the 1st gym (out of 4)

Storyline

  • Very little of the story is currently implemented in the demo:
    • Two competing Teams representing tradition and progress
    • Storyline that [/color][color=rgb(232, 121, 249)]ties the whole region together

Change Log

No updates listed.

Features

  • Open exploration through 4 big areas
  • New region and assets
  • Questlines and sidequests that can be approached in different orders
  • Self-contained optional dungeons
  • All nine generations
  • Modern battle mechanics
  • Custom progression systems through the reputation system
  • In battle iddle animations

Screenshots

Pokemon Synthesis 1 Pokemon Synthesis 2

Useful Stuff

No Data!

Download

Mediafire

If You need Any Help Follow "How To" Menu.

Previous versions

No previous versions.

FAQ

No FAQ added.

Credits

Credits
  • POKÉMON SYNTHESIS - CREDITS
  • Disclaimer: Coding agents were used to help with scripting and debugging
  • GAME FOUNDATION
  • Resource - Creator - Source
  • Pokémon game assets - Game Freak - Pokémon Emerald and Pokémon FireRed/LeafGreen
  • Base-game decompilation - pret contributors - https://github.com/pret/pokeemerald
  • Engine and expanded gameplay systems - Rom Hacking Hideout and pokeemerald-expansion contributors - https://github.com/rh-hideout/pokeemerald-expansion
  • DEVELOPMENT TOOLS
  • Resource - Creator - Source
  • Porymap map editor - huderlem - https://github.com/huderlem/porymap
  • Poryscript scripting language and compiler - huderlem - https://github.com/huderlem/poryscript
  • Porytiles tileset tool - grunt-lucas - https://github.com/grunt-lucas/porytiles
  • devkitARM Game Boy Advance toolchain - devkitPro - https://devkitpro.org/
  • INTEGRATED GAME SYSTEMS
  • Resource - Creator - Source
  • Quest menu system - Evan; Pokémon San Francisco contributors; RubyRaven6; ghoulslash - https://github.com/PokemonSanFran/pokeemerald
  • Team-level scaling and area level caps - fisham33 - Project-specific integration
  • Fullscreen start-menu design - Lethesis; health-bar functions by Rioluwott - Project-specific implementation based on pokeemerald and Pokémon San Francisco code
  • DexNav system - ghoulslash and pokeemerald-expansion contributors - https://github.com/rh-hideout/pokeemerald-expansion
  • Follower NPC system - Bivurnum, ghoulslash, grintoul1, and pokeemerald-expansion contributors - https://github.com/rh-hideout/pokeemerald-expansion
  • Difficulty-setting support - pkmnsnfrn and pokeemerald-expansion contributors - https://github.com/rh-hideout/pokeemerald-expansion
  • Gym Leader rematch support - FosterProgramming and pokeemerald-expansion contributors - https://github.com/rh-hideout/pokeemerald-expansion
  • Project-specific opening, quests, maps, and gameplay content - Lethesis and project contributors - Pokémon Synthesis
  • IMAGE AND TILESET ASSETS
  • Resource - Creator - Source
  • Tileset assets - Akizakura16 - 4th Gen Outdoor Tileset: https://www.deviantart.com/akizakura16/art/4th-gen-Outdoor-Tileset-613857695
  • Tileset assets - PkmnAlexandrite - City Decorations Tiles: https://www.deviantart.com/pkmnalexandrite
  • Tileset assets - Ekat; Heartlessdragoon; Vurtax - Ekat's Mega Gen 3 Set: https://eeveeexpo.com/threads/3669/
  • Tileset assets - AlchemyBats - DPP Style Sinnoh Overworld Tileset V.1: https://www.deviantart.com/alchemybats/art/DPP-Style-Sinnoh-Overworld-Tileset-V-1-1205547742
  • Tileset assets - Justin8964 - DPPT and HGSS Tileset: https://www.deviantart.com/justin8964
  • Tileset assets - Magiscarf - Further Additional More Tiles: https://www.deviantart.com/magiscarf
  • Item/object assets - ? - Pixel-art keys (Shutterstock image 2656544579): https://www.shutterstock.com/search/2656544579
  • Tileset assets - Magiscarf - Next Animated Water Tiles: https://www.deviantart.com/magiscarf
  • Tileset assets - The-Red-eX (Omega/Lukasz L.) - Pokémon Dawn Tileset V.2: https://www.deviantart.com/the-red-ex/art/Pokemon-Dawn-Tileset-Red-eX-Omega-Lukasz-L-V-2-341102015
  • Tileset assets - ChaoticCherryCake - Pokémon Tileset From Public Tiles: https://www.deviantart.com/chaoticcherrycake/art/Pokemon-Tileset-From-Public-Tiles-358379026
  • Tileset assets - Zerudez - Public Tileset: https://www.deviantart.com/zerudez
  • Item/object assets - CraftPix - Ring, Earring and Amulet Pixel Art Icons: https://craftpix.net/product/ring-earring-and-omulet-pixel-art-icons/
  • Tileset assets - DirtyWiggles - RPG Maker Friendly Tileset 5.0: Generation 5 Tiles: https://www.deviantart.com/dirtywiggles
  • Tileset assets - Zeo254 - Tileset Pokémon Resurgent: https://www.deviantart.com/zeo254
  • Tileset assets - Magiscarf - Tileset ver. 3 [Free]: https://www.deviantart.com/magiscarf/art/Tileset-ver-3-Free-690477146
  • Tileset assets - Akizakura16 - 4th Gen Indoor Tileset: https://www.deviantart.com/akizakura16/art/4th-gen-Indoor-Tileset-624832808
  • Tileset assets - Akizakura16 - Hi-Res Interior General Tileset: https://www.deviantart.com/akizakura16
  • Tileset assets - D. Lawride - Indoor Tile Collection: https://www.pokecommunity.com/threads/indoor-tile-collection.232014/
  • Tileset assets - Pablus94; Newtiteuf; Seiyouh - Nuevos tiles interiores actualizables Pokémon: https://www.deviantart.com/pablus94/art/Nuevos-tiles-interiores-actualizables-Pokemon-845715260
  • Tileset assets - ChaoticCherryCake - Public Indoor Tileset From Public Tiles: https://www.deviantart.com/chaoticcherrycake/art/Public-Indoor-Tileset-From-Public-Tiles-483814875
  • Tileset assets - ChaoticCherryCake - Public Indoor Tileset From Public Tiles: https://www.deviantart.com/chaoticcherrycake/art/Public-Indoor-Tileset-From-Public-Tiles-483814875
  • Tileset assets - Pablus94; Newtiteuf; Seiyouh - ? (credits embedded in the original image)
  • Item/object assets - ? - Pixel-art dirt bike (Shutterstock image 2540059357): https://www.shutterstock.com/search/pixel-bike
  • Item/object assets - BDragon1727 - Free Effect and Bullet 16x16: https://bdragon1727.itch.io/free-effect-and-bullet-16x16
  • Item/object assets - ChrisPpop - Colorful Treasure Chests [32x32 Pixel Art]: https://chrisppop.itch.io/colorful-treasure-chests
  • Item/object assets - Wube Software
  • Title screen and cinematic image - Luk05

Official Source

PokeCommunity

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