Pokemon Unova Emerald

Pokemon Unova Emerald GBA ROM

TypePokemon Emerald
VersionBeta 2.0.2
Updated OnJuly 7, 2023

Pokemon Unova Emerald is a Pokemon ROM that was developed/Created by Wobb (Original Creator) The current version of the ROM is ‘Beta 2.0.2’ which is based on Pokemon Emerald. The ROM was last updated on ‘July 7, 2023’ and the new version is yet to be rolled out.


This game is mostly based on the Pokémon Emerald engine but features the Unova Pokédex. It includes improvements to the game mechanics and introduces convenient features for players. However, the main change is replacing the wild Pokémon and trainer parties with those from the Unova region.


  • Replaced the original Pokédex with the Unova (Black and White 2) regional Pokédex.
  • Allows Pokémon to follow the player.
  • Upgraded battle system, including moves, abilities, and opponent AI.
  • Updated items to match later generations, including items from Gen IV and V.
  • Introduced a form system for certain Pokémon.
  • Various improvements for a better gaming experience, such as quick access to the last used Poké Ball, running by pressing ‘B’, and the ability to run indoors.


Beta 2.0.2

  • Changed the class name from Prof. Pkmn to Pkmn Prof.
  • Corrected an issue where Wally defeated Gothita.
  • Made slight adjustments to trainer parties.
  • Added a sleep mode feature. You can activate it by pressing L, R, and Select. To wake up, press SELECT and START. Note: This only works on real hardware, not in emulators.
  • Resolved crashes related to various move animations.
  • Fixed bugs occurring during 1vs2 battles.
  • Addressed a bug where ability information didn’t update correctly in pop-ups.
  • Here are the updates in simpler language:
  • Added a feature where you can have a rematch battle with Professor Birch after the main game. The level of his Pokémon increases each time you rematch him.
  • Enabled rematches with Steven, and they scale in level on a daily basis.
  • Implemented a new Pokédex with a grid navigation system, developed in collaboration with Lucas. It’s not complete yet and will have more features in the future, like a search function.
  • Provided an option to switch between the old and new Pokédex in case you need specific functions or encounter any issues.
  • Included a new Copyright screen.

Bugs Fixed

  • Fixed issues in the battle system, especially how some items behaved strangely in double battles.
  • Corrected a problem where the daycare was producing eggs without abilities.
  • Made minor adjustments to text capitalization.
  • Fixed abilities like Forecast and Flower Gift.
  • Addressed problems with HMs like Waterfall and Dive.
  • Rectified minor visual problems in the Key System Settings.

TM Locations

  • Hone Claws: Route 115, in a Poké Ball.
  • Dragon Claws: Meteor Falls (B1F, 2R), in a Poké Ball.
  • Psyshock: Available for purchase at Lilycove City Department Store 4F.
  • Calm Mind: Reward from Tate and Liza after beating the Mossdeep City Gym.
  • Roar: Obtained from a Gentleman on Route 114.
  • Toxic: Fiery Path, in a Poké Ball.
  • Hail: Shoal Cave, Low Tide Ice Room.
  • Bulk Up: Given by Brawly after defeating the Dewford Town Gym.
  • Venoshock: Available for purchase at Slateport City.
  • Hidden Power: Received from an NPC in a house in Fortree City.
  • Sunny Day: Found in a Poké Ball in Scorched Lab.
  • Taunt: Complete Puzzle 5 in the Trick House.
  • Ice Beam: Abandoned Ship Room B1F.
  • Blizzard: Available for purchase at Lilycove City Department Store 4F.
  • Hyper Beam: Available for purchase at Lilycove City Department Store 4F.
  • Light Screen: Available for purchase at Lilycove City Department Store 4F.
  • Protect: Available for purchase at Lilycove City Department Store 4F.
  • Rain Dance: Found in Abandoned Ship.
  • Telekinesis: Sold at Mauville City Mart.
  • Safeguard: Available for purchase at Lilycove City Department Store 4F.
  • Frustration: Received from an NPC in a house in Pacifidlog Town.
  • Solar Beam: Found in a Poké Ball in the Safari Zone.
  • Smack Down: Meteor Falls (1F, 1R), in a Poké Ball.
  • Thunderbolt: Complete the New Mauville Quest.
  • Thunder: Available for purchase at Lilycove City Department Store 4F.
  • Earthquake: Found in Seafloor Cavern, Room 9.
  • Return: Pacifidlog Town, inside a house.
  • Dig: Obtained from the Fossil Maniac in their house.
  • Psychic: Found in a Poké Ball on Victory Road.
  • Shadow Ball: Mt. Pyre 6F, in a Poké Ball.




Rom Hacking Hideout: Base engine

Merrp: Follower and day and night system

Paccy: Base images for followers + followers data for gen v mons. Code and data for the PWT.

Azure Keys: Idea for the game, inspired by Pokémon Unova Red

Citrus Bolt, Jaizu: Updated Pokémon Summary Screen

Citrus Bolt: Daily gym leader rematches. Make Flash permanent after using it one time, swarm system.

Timeless Shrine: Title screen

Farore: Main tree

Alistair: Tiles

Poffin Case: Object events

Hyo: Brendan sprites. Brendan and May object events

Squall: Tympole, Lillipup, and Cubchoo Dolls

Sapphire Jester: Show how much Ash you collected

Paccy: Let Pokémon use HMs without learning them

Start Gazaar: Ball sprites

Zekrom, Reshiram and Kyurem backsprites: Dreadwing93, Q.Dylm.

Q.Dylm: Sprite resize.

Deokishisu: Code, some help.

Ghoulslash: Showing sprites and description when obtaining an item.

Some overworld sprites: PurpleZaffre, UlithiumDragon, aveontrainer.

Gen V followers extracted from Generation 8 Pack for Essentials v20.1, with the follower credits: MissingLukey, help-14, Kymoyonian, cSc-A7X, 2and2makes5, Pokegirl4ever, Fernandojl, Silver-Skies, TyranitarDark, Getsuei-H, Kid1513, Milomilotic11, Kyt666, kdiamo11, Chocosrawlooid, Syledude, Gallanty, Gizamimi-Pichu, 2and2makes5, Zyon17,LarryTurbo, spritesstealer, LarryTurbo, joojishibuki


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