Pokemon Ultra Shiny Gold Sigma

Pokemon Ultra Shiny Gold Sigma

Download Pre-Patched Pokemon Ultra Shiny Gold Sigma GBA ROM Hack

  • Creator: Alex Sanchez
  • Version: v1.5 (Completed)
  • Hack of: FireRed
  • Updated: January 1, 2024

Pokemon Ultra Shiny Gold Sigma is a GBA ROM Hack by Alex Sanchez based on Pokemon Fire Red. And it is now available to download. It was last updated on January 1, 2024.

Also, be sure to try out Pokemon Fire Gold


Pokemon Ultra Shiny Gold Sigma is a new, revolutionary take on Pokemon Gold, Silver, and Crystal. In addition to Johto and Kanto, the Orange-Alola Islands and Hoenn are also present.


  • More than 900 Pokémon, Gen I to IX, legends, and Alola Forms, catch’em all without need trading.
  • Mega Evolution & Treastallization available. Rightful evolution at every single Pokémon (no need to trade to catch’em all, Cable Link Item at PC Storage is available to that.
  • New evolutionary stones include Cable Link, Metal Coat, King’s Rock, Prism Scale, Oval Stone, Shiny Stone, Dawn Stone, Dusk Stone, and a bunch more, including new eeveelutions.
  • Battle Pyramid, Battle Tower, Battle Pyke, Battle Palace, Battle Arena, Battle Dome and Battle Factory available.
  • New effects were added, like entrance into a new place, ash grass, high grass, and micro grass.
  • Competitive stuff available, colored stats, IV and EV suggestions.
  • Be able to rightfully fly everywhere and use Clear Bell to UltraFly between regions.
  • Leaders offer rematch in Johto, Kanto, Orange Islands, and Hoenn.
  • Badges as Crystal order and colored.
  • Improved graphics, colorful & elegant.
  • New music set list.
  • New pokémon, eggs, and events.
  • Pokémon Center Second Floor avaliable to trade, play and battle with your friends using Colisseum Battle Mode. Also a Wonder Trade feature is available.
  • New moveset to use out of the battle.
  • System clock automatically walk with 5 changes.
  • System clock automatically walk with 7 weather times.
  • New sprites include: new main character minisprite, new places, tiles, trainers sprites, Pokémon sprites, several graphs, etc.
  • Pokemon are more likely to capture that were previously quite rare (Hoenn, Sinnoh, Unova, Kalos, Alola, Galar and Paldea species).
  • Sounds remastered & enhanced, more aligned to Pokémon Crystal version.
  • New rivals.
  • Leaders reinforced, more difficult & new Ex-Elites.
  • Several improvements through the years, including now more legendaries like Walking Wake, Gouging Fire and Raging Bolt.
  • Full decapitalized.
  • Get exclusive Pokémon like Pichu Spike Ear or Crystal Onix.
  • Weather times works on battle.
  • Be able to use Dive and Vine Whip.
  • New items, new main characters, history, places, music, events.
  • New Pokémon icons, new trades, Bicycle fixing, new improvements Black & White style, includes: Earn EXP while capture, TM unlimited use, 1 PS survival, repel’s system, Kanto Alola Forms, among others.
  • Complete Pokémon Location and available Pokédex to index them all. Gotta catch’em all!



  • Various mapping improvements for all regions, adding almost 98% of Hoenn Zones. Be careful though, as Orange-Alola will change drastically later on.
  • Completed Hoenn so you can travel to all regions (Sootopolis/Ever Grande). Remaining: Diving Locations/Events.
  • New Pokémon make their debut, including Galarian birds, Paldean paradox legendary dogs and some alternate forms, and eeveelutions.
  • Clear Bell is now available in Mauville, which will allow you to access an UltraFly beta mode with Ho-Oh to fly through all available regions.
  • Rotom Gear aims to improve the overall quality of life experience, similar to later versions (Paldea).
  • Terastallize emulates Paldea mechanics. Pokémon Skill window and press A to tell which TeraType your Pokémon has.
  • Added and improved music tracks, especially for the Hoenn region.
  • Max level up to 255, random weather fixed, various bugs fixed including bad eggs for new players (still in testing), cross-device compatibility and more!


  • Mahogany’s Path. along with stability and various bug fixes, and performance updates.
  • Brand new music for most regions and places, adding unique and different ones for each zone, like Ilex Forest, Slowpoke Well, each City, even wild battles, and a complete Hoenn soundtrack adapted for SGS. Hope you guys take the time to listen and enjoy.
  • A new special “-Eevee” (Eternal Eevee) was discovered and available to find at National Park (rare). This special one will allow you to evolve into the new Eeevelutions discovered. We present to you the following remaining eevelutions per type: Brawleon, Toxineon, Sandeon, Windeon, Vespeon, Bouldeon, Whispeon, Metaleon, Draceon, Eeveeon! ➔Improve routes in Hoenn including 118,119,120,121,122,123,124, Fortree and Lilycove City.
  • Portkey WormHoles started to appear in the Hoenn Region, seems that nobody knows how to activate them yet.
  • Hoenn is up to Lilycove City (ORAS Style). Will you be able to find a PortKey Wormhole?



Previous Versions


Alex Sanchez, Zel 2.0, NarenJr, Sayer301, Javi4315, GogoJJTech, MrDollsteak, Ruki, Compumax, SageOne, Klofkac, CloneX, Desntknowhowtoplay, Diegoisawesome, Touched, LeParagon, VersekrDark, NarenJr, jiangzhengwenjz, Wan, Franco, Sergio