Pokemon Sour Crystal ROM

Pokemon Sour Crystal rom
When focusing on the main objectives, Pokemon Sour Crystal is about 20 Hours in length. If you're a gamer that strives to see all aspects of the game, you are likely to spend around 35 Hours to obtain 100% completion.

Pokemon Sour Crystal is a GBC ROM Hack by BlazingMagmar based on Pokemon Crystal. Pokemon Sour Crystal is an ‘improvement hack’ of Pokemon Crystal and features updated movepools, Updated palettes, Reusable TM's, Physical/Special Split and much more!

You can download the Pokemon Sour Crystal rom from this page and to play the game you need to download the Visualboy Advance Emulator here.

You need to download and install Visual Boy Advance and then load the rom.

For detailed instructions per device, view below.

Download the official Pokemon Sour Crystal ROM in the (USA) version for the Game Boy Advance handheld consoles. To fully utilize a GBC ROM game, use our Cheats, Rom Hacks and GBA Roms sections. You can open the Pokemon Sour Crystal ROM or GBC file by Installing VisualBoyAdvance on Windows, MAC, Linux, Android or IOS/iphone.

Additional Information

Pokemon Sour Crystal is a GBC ROM Hack by BlazingMagmar based on Pokemon Crystal. It was last updated on March 16, 2024.

Also, be sure to check out Pokemon Rising Crystal.


Pokemon Sour Crystal is an ‘improvement hack’ of Pokemon Crystal that has been 5 years in the making, created with the mindset of updating Crystal to current-gen standards but without losing the nostalgic feel of the original. The hack has many features that may make playing it more comfortable for newer players such as the “PPS” system (Pokeride).


  • New Custom Pokémon Sprites done by me. Over 200 have been tweaked/redone
  • A Challenge Mode System which can be set during a New Game
  • A fully-functioning Safari Zone with 4 custom Biomes to explore
  • Unique Party sprites
  • Updated Stats up to gen9
  • Updated Move properties: Base Power, Accuracy, effects .etc
  • Updated Movepools
  • Upgraded trainer rematch system to make grinding more enjoyable and rewarding
  • A complete overhaul of the PC Box which now functions like Gen3. No more saving between boxes required
  • Some post-game Pokémon are now available in Johto such as Houndour and Slugma
  • Upgraded battle color system for more dynamic attack animations
  • Updated attack animations for some moves
  • All 251 Pokémon obtainable
  • Instant Apricorn Balls
  • Visible Berries and Apricorns on the overworld. Each tree respawns at 12:00am each day
  • A Berry Pocket to reduce your main pocket from getting full
  • A new Pager system that replaces the need for HM slaves
  • Reusable TMs
  • The Ghost-Type is now special and the Dark-Type and Dragon-Type are now Physical
  • A new Swarm system with more than 95 different swarms. Swarming Pokémon now have an increased chance of being shiny
  • Almost all bugs from gen2 have been fixed.
  • Kanto has been restored to its gen1 size including some cut areas
  • Kanto now has Headbutt trees
  • All HGSS-exclusive routes and trainers have been ported
  • Trade Evolutions can now also be obtained by using a new item called the Linking Cord or by simply using the item required for trading on the Pokémon. (King’s Rock, Metal Coat, etc.)
  • A Move Reminder
  • And many other small goodies to find!


This Hack DOES NOT include:

  • Following Pokémon
  • Physical/Special Split
  • No gen3+ Pokémon
  • No fakemon or beta mons



  • Fixed an issue where Teleport would not work correctly for the opponent in trainer battles.


  • Slightly increased the difficulty of the Radio Tower Rocket Executive battles in Challenge Mode
  • Slightly increased the difficulty of the Kanto Rival battles in Challenge Mode
  • Slightly increased the difficulty of Sabrina’s battle in Challenge Mode
  • The NPC on Route 14 asking to trade a Chansey for an Aerodactyl has been removed from the game since Aerodactyl is now obtained via the Old Amber.
  • Route 15 has been slightly modified to match it’s original size in Gen 1
  • Delibird has a new backsprite
  • Nidorina has a new backsprite
  • Scizor has a new backsprite and palette
  • Ampharos has an updated backsprite
  • Rapidash has an updated shiny palette
  • Chinchou and Lanturn now have updated palettes
  • Krabby has an updated shiny palette
  • Kingler has an updated shiny palette
  • Obtaining a TM via an item ball now plays the correct sound effect
  • Reflect/Light Screen/Mirror Coat now all have updated animation palettes
  • Rebalanced the level up movepools/EggMoves/TMs of multiple pokemon
  • Swarming pokemon now have at a 60% encounter with the exception of Kanto Starter Swarms
  • Fixed an issue where trainer rematches would sometimes not trigger.
  • Fixed a typo in the Fossil Scientist’s Dialogue
  • Fixed a typo in Seafoam Gym
  • Fixed an issue where a pair of Twins on the SS. Aqua were using an incorrect palette
  • Fixed a small issue with MEW and MEWTWO’s overworld script that could cause them to not appear.
  • Fixed an issue in Challenge Mode where Picknicker Selina would not use the correct team.
  • Fixed an issue in Challenge Mode where Picknicker Chel would not use the correct team.
  • Fixed a map layout issue with Pokemon Mansion B1F
  • Scientist’s no longer use the Team Rocket battle music
  • Corrected an issue with Smoochum’s backsprite
  • Corrected an issue with Jynx’s backsprite


  • Kiyo no longer crashes the game if your party is full when receiving Tyrogue
  • Minimize can no longer causes graphical issues
  • PC BOX will no longer display garbage tiles in some occasions

File Name

Pokemon Sour Crystal

File Size




Release Date

World: March 16, 2024






Game Boy Color




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