Pokepatch
Entry N°0409

Pokemon Odyssey [v4.1]

GBA Completed Hack of FireRed
Pokemon Odyssey [v4.1] cover art
> SCAN COMPLETE
> DATA SHEET
PLATFORM
GBA
STATUS
Completed
BASE ROM
FireRed
BUILD
4.0.3/4.1
LANG
English
AUTHOR
PacoScarso
> OVERVIEW

Download Pre-Patched Pokemon Odyssey GBA ROM. On the island of Talrega lies the entrance to the Yggdrasil labyrinth, a gigantic desert carved from the roots...

◆ ABOUT

Pokemon Odyssey is a GBA ROM Hack by PacoScarso based on Pokemon Fire Red in English. And it is now available to download. It was last updated on July 12, 2025.

◆ FEATURES · 29 TOTAL
  • New Story and Region
  • New Graphics (Sprites, Tilesets, etc)
  • No Gym Leaders/Evil Team/Elite Four, it’s time to explore!
  • Every Pokémon has been rebalanced
  • New regional forms: the Etrian Variants!
  • Shared Experience
  • Two Initials Minun and Plusle.
  • The first 3 generations of Pokémon and their 4th generation evolutions are available, as well as extras like Farigiraf.
  • All Pokémon present received a new learnpool and the weakest mediums received buffs and adjustments to bring them to the level of the others
  • 3 selectable game modes are available in the prologue: Picnic, Normal, and Hard
  • Presence of Etrian Odyssey features such as Mining and Gathering points, Naval Exploration, FOE, and Store Upgrades
  • Sidequests and a sidequest menu
  • Wonder Trade
  • All Pokémon, both trainer and wild, will have 31 IVs in all stats to decrease the grind
  • You get no EVS from beating a Pokémon, instead you’ll have to use Power Items or Vitamins (for a lowered price)
  • You can change the nature and the ability of your Pokémon using in-game functions
  • The labyrinth is divided into layers and each of them has a captain that must be defeated if you want to continue
  • Adding part of the movements of subsequent generations
  • Pokémon nature is highlighted in the various menus
  • EVs-IVs screen available in the Start menu
  • The automatic stroke can be activated and deactivated by pressing the “L” key on the GBA Emulator
  • All fights in the game will be doubles, except when you have only one Pokémon
  • Pokemon will not give EVs when defeated. Indeed, it will be necessary to use vigor tools and vitamins (from the reduced price)
  • There is a soft level cap to prevent players from making me too much and ruining the gaming experience
  • Cannot use healing tools in combat unless held (like berries)
  • There is a Prodigious Exchange system in the Talrega guild
  • Exp. Share Gen VI style as a game mechanic
  • Infinite TMs
  • New soundtrack.
◆ SCREENSHOTS
Pokemon Odyssey [v4.1] in-game screenshot 1
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Pokemon Odyssey [v4.1] in-game screenshot 2
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Pokemon Odyssey [v4.1] in-game screenshot 3
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Pokemon Odyssey [v4.1] in-game screenshot 4
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Pokemon Odyssey [v4.1] in-game screenshot 5
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Pokemon Odyssey [v4.1] in-game screenshot 6
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Pokemon Odyssey [v4.1] in-game screenshot 7
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Pokemon Odyssey [v4.1] in-game screenshot 8
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Pokemon Odyssey [v4.1] in-game screenshot 9
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Pokemon Odyssey [v4.1] in-game screenshot 10
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Pokemon Odyssey [v4.1] in-game screenshot 11
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Pokemon Odyssey [v4.1] in-game screenshot 12
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Pokemon Odyssey [v4.1] in-game screenshot 13
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◆ NEXT STEP

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