mt silver
Seen March 6th, 2022
Posted May 24th, 2021
277 posts
2.7 Years


This game and its story is founded purely on my imagination and on the influence that I had watching videos about this mysteries! I made this hack because I want Pokémon Fans to have a possible answer to some mystery and enigma regarding Kanto and the Pokémon World in general.


This hacks aims to give an answer to some of the most intriguing mysteries of the Pokemon World:
  • Why did Red go to Mt. Silver?
  • Who is Red's father?
  • What is the secret behind the Great Pokémon War?
  • Who was the first Champion of Kanto?
And many,many others...
While staying true to the original Fire Red plot, the story takes place in alternate universe from the one known before, and consequently it is a mixture of some manga, some anime and some games events, NPCs and locations.


  • OPEN WORLD: Kanto and Johto are full of missions and side-quests for you to complete, original characters that need your help and new unexplored maps. Cinnabar Island or Viridian City? Where to go first is only up to you!
  • DIFFICULTY: You mostly set your own difficulty, as the majority of the opponents will have their team at the same level as your strongest
    • Battle options always to Set
    • Important battles accessible only when having the same amount of Pokémon as the opponent
    • Some trainers use different teams according to your level
  • UPDATED GRAPHICS:All the graphics are updated to later Generations (mostly Gen 4), without losing that Gen 3 feeling that never gets old, here is a full list of the changes:
    • HGSS Trainer sprites
    • HGSS Hp Box
    • HGSS Town Map
    • HGSS Text Boxes
    • HGSS Overworld Sprites
    • New Tilesets
    • BW Summary and Party Screens
    • Time of the day based events and wild encounters
    • Windows light-Up at night
    • How the time is set:
      -Morning 6:00
      -Day 10:00
      -Afternoon 15:00
      -Evening 20:00
      -Night 23:00
    • Moves, items, pokémon and abilities are updated to gen 7/8
    • Character Customization
    • 120 Reusable TMs
    • BW repel system
    • New Field moves (Rock Climb, Defog and more)
    • Trainer Sliding
    • 24 Boxes
    • Mega Evolutions, Fairy type, Z-moves
    • Improved Battle Engine (Tag Battles,Double Battles)
    • Clock (In the menu)
For better gameplay experience:
  • The command "L" has now two functions:
    • In-battle, it can be use when the cursor is over a move to see it's "Power";"Accuracy" and "PP" values
    • Outside the battle, it can be use to enable/disable the Auto-Running/Turbo-Bike feature




I have a lot of fantasy and I wanted to make a ROM hack since I was 15 when I played Pokemon Light Platinum for the first time.
I don't care about fame and the awards that you can give me, all I want to is to make a Pokémon ROM hack that everyone can ENJOY.



A massive THANKS goes to:
  • Manspart, my partner in crime
  • The Pokemon Company Nintendo and GameFreak for creating such beautiful games
  • skeli(for creating the CFRU, but even more for having the patience of helping me use such amazing engine to its full potential and for sharing a lot of his other codes, this guy is probably the biggest contributor to Pokémon Secret Diaries after me and Manspart)
  • ghoulslash(for creating the CFRU, but even more for having the patience of helping me use such amazing engine to its full potential)
  • Aspiring PokeTrainer, whom I believe to be a great hacker, THANK YOU (I don't know if you are a member of this community)
  • Haven1433(for helping me understand how to use to its full potential his ground-breaking tool HexManiacAdvance)
  • Bh02032002 for his work as a Beta Tester
  • The PokeCommunity and its discord server members
  • Kalarie, for various feedbacks and for a ton of sprites and tiles
  • PokeChu, for making this thread look nicer

Patches/C-Injections/ASM routines

  • CFRU(Ghoulslash&Skeli)
  • BW summary screen & Pokemon Party Screen Patches(Against)
  • Time Box in the Time Menu(Pokemon_XY)
  • Dynamic Pokémon Expansion(Skeli)
  • Sideway Stairs(Spherical Ice)
  • IVs on Summary Screen(DoesntKnowHowToPlay&Froosty)
  • SummaryScreenFix(AkameTheBulbasaur&Zeturic)

Pixel Artist

  • Delta231(Various OW and Trainer Sprites)
  • Ikarus(Tileset Patch)
  • Aveontrainer(a lot of OW sprites)
  • Kyledove(Various Tilesets and Sprites)
  • Scarex(Tilesets)
  • Rinqo(Tilesets)
  • PokemonDatabase.com(Various OW and other graphics)
  • ZEO(Tilesets)
  • WeaslyFG(Tilesets)
  • Aethestode(Various OWs and Sprites)
  • Neffertity(Tilesets)
  • Trike Phalon(Tilesets)
  • Scarex(Tilesets)
  • Dr.Seuss(Battle Backgrounds)
  • Bulbapedia.com(Various Sprites)
  • InnerMobius(Red Back Sprite)
  • Green Jerry(HGSS text boxes)

Tools used

  • Advance-Map 1.92(Lu-Ho)
  • XSE(HackMew)
  • Thumb Assembler (HackMew)
  • HexManiacAdvance (Haven1433)
  • GBA Intro Manager (Diegoisawesome)
  • VisualBoyAdvance (VBA team)
  • NUPS (Nintenlord)



Q:In the museum event,after I obtain the Old Amber,the game kinda bugs and freeze,what's happening?
A:It's not a gamebreaking bug,just keep pressing A till it ends.For now I don't know how to solve this,I'm sorry.

Q:Why is it called Pokémon Secret Diaries?
A:Because I placed a lot of diaries around the region that tell the story of Kanto and its main protagonists.

Q: Where can I obtain the Mega Stones and the Mega Ring?
A: In the current beta, you can't.

Q: Which level do starters evolve?
A: 23 and 51.
Q: Why so high?
A: I always hated how middle form were used for less then 1/8 of the game as they evolved so soon
Q: So why only the starters have higher evolve at an higher level?
A: They are not the only one to evolve later than usual,I will eventually provide a list with the level at which each Pokemon now evolve.

Q: Can I be a Beta Tester?
A: No thanks, I'm good.

Q: Is there a wild pokémon location list?
A: No,and I won't provide one,go and explore(Keep in mind that only in Kanto and Johto you will only find Pokémon from Kanto and Johto)

Q: Who are you? Fred? I never heard of you before...
A: True, I wasn't registered in any PokéCommunity before signing in this one just a few months ago,however I have been into pokemon hacking for almost 5 years studying scripting and mapping and hexediting (if that's a word), finally last summer I come up with an idea of making a simple hack with many stand alone quests, which later became Pokémon Secret Diaries with a story of his own rather than just some simple not connected events...

And that wraps it up!

Known bugs

  • If you open the Town Map from the Bag, some colors will be messed up
  • When you enter Pewter City from the new part of the Mt.Moon the tree that was blocking the entrance to the Old Amber room will disappear
  • When you are in a tag battle, looking at your partner Pokémon Summaries could freeze your game
  • If you talk twice to the Gym Badge Man, in Cerulean City, without leaving the house between the 2 talks, it will result in a buggy message, however if you just press A and wait for 5/10 seconds it will go back to normal
If you find any other bug please let me know down below or in my Discord Server.


The game is far from over. This is the beta 2.5, which ends,approximately,after the Vermilion City Gym. I can't guarantee that you will be able to play the next versions with the Beta 2.5's save, though I'll try my best to make that possible.


Beta 2 or previous saves aren't compatible with this version

Check this tutorial if you've never patched a ROM before.
Patch the file (Use NUPS [Windows] or UNIPATCHER [Android] to a FireRed v1.0 ROM.

Check out the trailers!

Beta 1 Trailer

Beta 2 Trailer

If you have any questions, reply to this thread, ask it in the Pokemon Secret Diaries discord server, private message me (here or on discord), or check out this Youtube Channel where the official walkthrough videos are published.

Support Banner


You can also find us on this other server:
Pokemon Hacking



mt silver
Seen March 6th, 2022
Posted May 24th, 2021
277 posts
2.7 Years
Why won't it let me deliver oaks parcel to him?
How could I not notice such bug right at the beginning I dont know thx for making me notice it Lunarskyy

Anyway I corrected it,here is a link to download to the new patch

Try It now and let me know
Seen March 29th, 2020
Posted March 29th, 2020
30 posts
2.5 Years
How could I not notice such bug right at the beginning I dont know thx for making me notice it Lunarskyy

Anyway I corrected it,here is a link to download to the new patch


Try It now and let me know
Np looking forward to continuing the game



mt silver
Seen March 6th, 2022
Posted May 24th, 2021
277 posts
2.7 Years
I actually can't seem to download that version. I'll try again later on though
I uploaded it into mediafire it should work now


Inner Rhymes

Hip Hop and Pokemon are all I need.

Seen 26 Minutes Ago
Posted 1 Day Ago
1,382 posts
5.2 Years
This seems interesting, I like the concept. I'll definitely play this when the next beta comes out.
Ayee I just dropped my latest single Soulace on all streaming platforms. This is a chill Lofi track that's very personal to me! I hope y'all enjoy!

Youtube: https://www.youtube.com/watch?v=0fT3k2KU1dw
Spotify: https://open.spotify.com/album/0EeJ5hMa8YUDHaZEhmbCqk
Apple Music: https://music.apple.com/in/album/soulace-single/1565986518?ls



mt silver
Seen March 6th, 2022
Posted May 24th, 2021
277 posts
2.7 Years
I have the newest patch and ive patched it but i cant give oaks parcel still because when i try to talk to him Nothing happens
are you sure you are using this( http://www.mediafire.com/file/0hhc1vv71vjw00p/Pokemon_Secret_Diaries.ips/file ) patch?
Because it works fine
The problem could be that
1)you applied the latest patch on the already patched file
or 2)you should delete the game save from your laptop/phone and start a brand new game



mt silver
Seen March 6th, 2022
Posted May 24th, 2021
277 posts
2.7 Years
Yeah I'm having the same issue.
Now ive tried it again but its still the same thing and ive been to leafs house but its still the same
Patch the file into a fire red v1.0 usa rom
I just found out that any other fire red rom (v1.1,EU,etc)won't support the patch

EDIT:I apologise for all the initial confusion,I'm not so sure that everything is going to work as said
I also changed the .ips file so try that link now(http://www.mediafire.com/file/0hhc1vv71vjw00p/Pokemon_Secret_Diaries.ips/file)

What happened is that I basically corrupted the texts in Oak's Lab and so I had to rewrite all of them one by one,in the end I made it,but then I realized that some other things were wrong(for example I copy paste all the 3 pokeballs' scripts just changing the first few variables,not tknowing that there was a lot of other different things between the scripts
Today I also thing I realized that when I went on Lunar IPS and selected the create a .Ips file option I then had choosen an already modified rom(and not a clean as they asked)

everything should (88,9% sure) work out now
Thx for the pacience



mt silver
Seen March 6th, 2022
Posted May 24th, 2021
277 posts
2.7 Years
Still cant talk to prof oak and i am playing on a fire red 1.0 rom usa
try the this patch
on the fire red 1.0 rom usa and try to name it Pokemon - Fire Red Version
on my laptop it works only like this