Pokemon Theta Emerald EX


Pokemon Theta Emerald EX is the remake of the original Pokemon Theta Emerald, the updated version has now 721 Pokemon. You won’t believe that the dual-type fire/water mythical Volcanion is already in this game and it’s surprisingly obtainable.

Here’s more, the previous version Theta Emerald has only over 100 moves but with Theta Emerald EX there are now 600+ cool moves you can find all the way up to Generation VI.

Another exciting feature of Theta Emerald EX that catches the interest of every Pokemon fan is the Mega evolution system and the fairy type Pokemon. It’s a stunning experience to see such amazing features added to a Pokemon Game Boy Advance games.

More exciting features of Pokemon Theta Emerald EX are listed below. Also, you might want to check our collection of recommended Pokemon ROM Hacks.

Game Information

Pokemon ROM hack Theta Emerald EX

Pokemon Theta Emerald EX
Author: LCCoolJ95
Game base: Pokemon Emerald
Source: link
Cheats: Click here


  • 721 Pokemon
  • 600+ Moves
  • Proper Physical/Special Split
  • 100+ Abilities
  • Fairy-type
  • New/Updated Items
  • Item Pocket Extension
  • 100+ REUSABLE TMs
  • Proper Mega Evolution/Primal Reversion
  • Battle Frontier Updated
  • Running Indoors
  • New Repel System
  • Gain EXP from capturing a Pokemon
  • Deletable HMs
  • Level 1 Eggs
  • New Battle Backgrounds
  • Harder Difficulty
  • Level 250


Pokemon Theta Emerald EX images

Pokemon Theta Emerald EX Download

Featured Video


  1. I would say that it is an excellent game, if they put the objects like Weakness Policy, Eviolite and some more it would be perfect

  2. Double-battles are pretty buggy here. There are a lots of moves that freezes the game when done during double-battles. Pretty good hack tho.

  3. It deleted of of my TMs and HMs after defeating the 3rd gym, any help? If so please tell me because this glitch renders the game unplayable because I can’t teach any of my Pokemon Rock Smash so i cant play the game any further

  4. many of the other abilities doesnt work like “SHEER FORCE” and “PURE POWER” I tested the sheerforce on conkeldurr and feraligatr the sheerforce doesnt work and the pure power of medicham doesnt work and I dont know ifthe ability of scizor “TECHNICIAN” works too since the damage is kinda low with right nature and high level, pls fix it so that i can download the game again.

  5. After battling in Battle Arena in Battle Frontier, I lost all my TMs/HMs and my items turned infinite. I read that there’s a bug in battle tent that make you lose all your tm/hm but i’m in battle frontier. I grinded my team to level 100 to get the symbols but now i can’t teach them new moves.

    • hey i imagine you already figured it out but if you check the ignore button on the NUPS button on the left side of the screen it will work.

    • There`s something in my mind, Does pokemon theta emerald Ex still make legendary pokemon appearance as a [black orb] instead of their origin look like rayquaza, kyogre and main legendary in Emerald. when it come to others legendary, their Appearance are a [Black Orb]

      annd one more, how i can contact the developer ?

  6. Can we, kinda import our save’s from the older pokemon emerald GBA into this version of Pokemon emerald? Also how to actually do it?

    • Yes you can buddy. Download es file explore first. You can install it from google playstore. After that open your es file find the folder of emerald make a copy if it then paste it to pokemon theta x emerald folder

  7. can u tell me how to fix the saving bug?
    when fighting E4, i usually lost my save file, and back then i can fix by save before meet the champion, but now i cant continue the game

  8. I have used this rom for a long time now, and recently I discovered that the last pokemon in my party seems to be corrupted. It has a ? before its hp and the level has grown to 63. (this used to be a low level pidgey.) When used in a winning battle, when gaining exp points, the game would freeze. I tried putting the infected pokemon in the pc, and there were several lines going through it. I’ve deleted the rom and restarted and I keep having this problem, even to the point to the pokemon disappearing in the pc box. Does anyone else experience this problem or know how to fix it? im desperate

  9. which of the gba pokemon hacks lets you choose from 1 of 24 pokemon? someone I know told me about the game, but I forgot the name of the game. if someone’d help me out, i’d appreciate it.

  10. i found a bug/glitch where talonflame’s move change after i use the original move ,
    i was on victory road and was doing some double battles (where it glitches very often) and when i used the move “brave bird” with talonflame and shifted my other pokemon at the same turn the “brave bird” turned into “heat wave” , even though i didn’t have “heat wave” . just throwing this bug/glitch out here to hope it does something :3

  11. Hey man. The game is nice but i experience a glitch and i need your help. All my items are like this: potion x?09 and my tm and hm are all gone. Experienced it when i beat watson. The prob is my game is saved. Any solution here? Can you answer it? Thank you.

  12. When I try to patch it using my boy , it says this patch is not for this rom.I renamed the .ups and .gba with the same name not changing the .ups and .gba ,it still says this patch is not for this rom,pleased can you pre patch it?

  13. Downloaded this Rom, I couldn’t find it in my boy. Tried to patch this Rom in an emerald rom and due to it being zipped I couldn’t, I unzipped the emerald Rom and I still couldn’t patch it. Anyone can help me how to play this Rom?

  14. Are all move animations included in this game, like greninja’s water star/shuriken attack? All the previous versions had missing move animations for certain moves. I want someone to verify if this is fixed for this version before I download.

  15. yow, just found out about this hack and how do i patch this properly? i do have a clean emerald gba file, and i followed the steps properly on patching it with nups (it’s not my first time patching with it anyway)

    • Since you’re using NUPS to patch this game, trying checking the “ignore” in the “If patch is invalid” section and the game will work smoothly I believe. Let me know how this fix goes to you.

      • well it kinda just got a black screen on the patched game, been looking if anyone had the same problem as me but no luck so far

          • Best Tom hack I have ever experienced… But the game is full of bugs and glitches… It could be more fun…

          • There’s a newer version of the game called Pokémon Theta Emerald Renev have you tried checking it?

  16. just found out about this hack and: how do i patch this??? keeps saying i have the wrong file even though i made sure it’s a clean one

  17. Everytime i send out pokemon or a wild pokemon appeared my screen have a green thing that flowting on the Pokémon snd then gone just like that fix that please

    • Make it sure to disable those unused cheats. Glitch, freezing and sudden resets happens when the game gets crazy because of having too many cheats enabled at once.

  18. This doesn’t seem to work with My Boy’s autopatching. Following the rename instructions will only result in starting Emerald, not Theta Emerald EX, as if My Boy can’t work with this patch. Very odd.

  19. Mulitpatch, for Mac, is not able to patch the game successfully, and the NUPS patching tool bundled with the game is not compatible with Mac.

    Please add a Read Me / instructions for how Mac users can patch the game with this hack, as it does not appear to be a standard format..

    • Try patching the rom hack on Windows computer or use another Emerald rom. Alternatively, just search for a pre-patched version of this game.


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