Pokemon Diamond & Pearl - Mystery Zone:

Pokemon Diamond & Pearl - Mystery Zone

Mystery Zone - Pokemon Diamond & Pearl

As I mentioned in a previous blog entry, I've been working on "Mystery Codes" for Pokémon Diamond & Pearl... Well, I believe it's time to let the cat out of the bag.

Pokémon Diamond / Pearl fans who own an Action Replay are well aware of the "Walk Anywhere" & "Run Anywhere" codes. What many of them don't realize is that using these codes improperly can cause some serious side effects... the most serious of all is when you save in an area of the game you're not supposed to be in. (I wrote about this issue in my last blog entry.)

Here are some perfect examples of places you DO NOT want to save your game; in the middle of a forrest, in any areay dispalyed as "Mystery Zone", in the black area found inside houses, centers, etc. Saving in these locations may cause your game to "lock" your character in that location when you load the save data.... even with Walk / Run Anywhere it's nearly impossible to escape and progress normally through the game.

Mystery Zone - BAD!Mystery Zone 2 - VERY BAD!

Normally, if you've accidentally saved in one of these areas, or the game auto-saved somewhere you weren't suppsed to be, you'd have to delete your game save and start all over from the beginning. (Which doesn't make many people happy.)

I've been banging my head for a while now trying to come up with a way to fix this problem & allow these accidents to be recovered from.....
"Mystery Zone Save Fix (HOLD SELECT)"

The process can be a bit confusing, but if you follow these instructions carefully, you should be able to recover from the dreaded "Mystery Zone of Death".

STEP 1 – Entering the “Mystery Zone Fix” Code

  1. Insert Pokémon Diamond or Pokémon Pearl into the pass-through slot of the Nintendo DS Action Replay.
    NOTE: If you do not have a pass-through port on your Action Replay, proceed to #2.
  2. Insert the Action Replay into the game slot.
  3. Turn the Nintendo DS on.
    NOTE: If you have a pass-through slot on your Action Replay, proceed to #5.
  4. Replace the Action Replay with either Pokémon Diamond or Pokémon Pearl.
  5. Add the following code to your existing Pokémon Diamond or Pearl code list. 
  6. You may either manually enter the code, or use the Action Replay Code Manager software.
    AR - Mystery Zone Fix
    CODE REVISED: 08-08-2008:
    Mystery Zone Fix  (HOLD SELECT WHILE SAVING)
    94000130 FFFB0000
    621C5A08 00000000
    B21C5A08 00000000
    DC000000 F7FDEA80
    18000000 0000019B
    D2000000 00000000
    94000130 FFFB0000
    621C5A08 00000000
    B21C5A08 00000000
    000020C8 0000036F
    000020CC 00000070
    000020D4 0000036F
    000020D8 00708000
    D2000000 00000000

STEP 2 – Enabling the “Mystery Zone Fix”

  1. Enable ONLY the “Mystery Zone Fix” tap the on-screen start button.
  2. Load your Pokémon Diamond or Pokémon Pearl game save progress.
    The moment the save data has loaded, press the X button to access the in game menu.
    NOTE: DO NOT press any buttons before pressing X to ensure access the proper in game menu.
    Press X to Access Save Menu
  3. Choose “SAVE” from the menu.
  4. When prompted with “Would you like to save the game?”, choose YES.
    Would You Like to Save? YES!
  5. A second prompt will now appear; “There is already a saved file. Is it OK to overwrite it?”.
    Overwrite? YES! - Now HOLD SELECT
  6. The moment you choose “YES” to the second prompt, PRESS AND HOLD the SELECT button.
    NOTE: The screen may look a little strange while you're holding select, but don't worry; this is normal.
  7. Continue to hold the SELECT button down while the game progress is being saved.
  8. Once the game has confirmed that the save was successful, power off the Nintendo DS.

STEP 3 – Verifying & Completing Fix

  1. With the power OFF, and no Action Replay is connected to your Nintendo DS, insert your game cartridge.
  2. Power ON the Nintendo DS.
  3. Load the existing game save data.
    Load Fixed Data - Looks Funny... Almost Done!
    NOTE: The graphics may look strange at this point, but again, don't worry.... this is normal.
  4. Enter any one of the nearby houses.
    Enter a House to fix the graphics.
  5. Exit the house.
    TA DAAA! - FIXED. (Now Save.)
    Ta-Daaa....... Fixed!
  6. Open the in game menu by pressing X
  7. Save your game data one final time and you're done..

NOTE: Since each game save is unique, it is impossible for our code staff to accurately recreate every instance / problem that may occur when saving in a “Mystery Zone”, this code is not guaranteed to work in every situation. If this does not fix your problem, or you’re unable to access the in game menu to save your game progress, it may be necessary to send your game cartridge in to us so that our code creators may look at your specific problem..  Click here for more info.

Hopefully you found this useful & it solved any problems you were experiencing. Please leave a comment and let me know if it worked for you.

See you next time,
- Jay "FNG"


I picked up copies of both MegaMan Starforce 2 ZERKER X NINJA & MegaMan Starforce 2 ZERKER X SAURIAN yesterday, so expect to see codes soon.

As promised, the following requested games have been updated:

Trackbacks :
Comment By CheatyMcDude At 7/29/2008 7:37 PM
Amazing! Thanks Jay. Now I can finally play my game again :)
Comment By AetherMaster At 7/29/2008 9:24 PM
fng i tried the final fantasy IV codes all the Cecil codes worked until he changes level after becoming a paladin. In case you guy want to put cecil codes (dark knight) thanks for the codes
Comment By jkeb At 7/30/2008 7:33 AM
AetherMaster - You're welcome... let me know if it worked for you.

jkeb - I was recently made aware of the FF IV code issue; I'm on it. :) I'm currently playing through the game to rework the codes.
Comment By FNG At 7/30/2008 8:29 AM
cool you got 2 codes for megaman starforce 2 zerke X ninja please have an all cards code max thanks
Comment By ZXN RULEZ At 7/30/2008 10:47 AM
ZXN RULEZ - copy & paste this link....

Comment By FNG At 7/30/2008 2:53 PM
thank you soooooooooo!!!! much I have already used it and it works PERFECT !!!!
Comment By jayhubb_99 At 8/1/2008 5:12 PM
Cool, at least I have a little more closure when I save my game. I have to say, anyone who needs this code should've really thought about thier next move.
Comment By Spine At 8/3/2008 2:04 AM
Awesome. Glad to see the code world has improved significantly since the days of my V2 GBA Gameshark.

No code encryption, codes stored in XML... what's next, making the AR a USB mass storage device so those of us on other OSes can use it more easily (hint, hint)?

The trainer toolkit just made the top of my Christmas list (it even bumped the Wii!). I'm totally psyched to see what I can mess with. (Poke instructions in real time?! BRILLIANT!)

Keep it up, FNG and everyone at Datel--continue to make products like this and I'm gonna be a Datel customer for a looooong time. :)
Comment By SheeEttin At 8/5/2008 11:02 PM
I have a problem... I know this may be a lot to ask for, but I was in Amity Square, with a pokemon following me. I thought it'd be interesting to see what would happen if I bypassed the usual exit where the woman takes away the following pokemon, and see if I could get the pokemon to follow me throughout the rest of the game. Of course, it didn't work. But I didn't notice anything wrong, and (very stupidly) saved. Apparently, doing that locks you into being in a state where someone is constantly following you. I can't ride my bike, fly, or anything else like that. Is there a code that forces the game to change the 'someone following' flag to off?

Thanks so much in advance. Hopefully you're able to figure something out.
Comment By Utaro At 8/7/2008 3:18 AM
UTARO - I won't be able to help without your copy of Pokemon, or a copy experiencing the EXACT same issue.

As of right now, I don't have enough time to play through the game and get to that point in the game... if you could send your copy in for me to look at, I could try and come up with a solution and send it back to you ASAP.

Contact our support team through the www.datelcustomerservice.com website. (Click on the bottom 'Still Need Help' link.)
Comment By FNG At 8/12/2008 12:15 PM
I could've used that code earlier, I've deleted my game already. :(
Comment By Supergamer1000 At 8/13/2008 2:10 PM
Utaro: If you haven't gotten your problem resolved yet...
Have you tried going into Amity Square with a valid Pokemon to walk with? The game should re-set the 'following' stuff and you should be able to leave normally. (Probably want to do this without an Action Replay.)
Oh, or you might just be able to go in around the person at the counter and leave normally.
This is all speculation, though.
Comment By SheeEttin At 8/18/2008 1:19 PM
It helped a lot. I always got stuck.
Comment By mexiboy At 9/3/2008 3:02 PM
thanks i had to restart my diamond because of that
*********also i should add dont use the 'walkthrough anything cheats in the union room
because it will do the same thing
Comment By dragoon ninja At 9/9/2008 7:09 PM
hey, jay FNG howcome when I try to connect my AR to the computer, the ARDS Software doesnt detect it, but my computer does, do u have a patch, or anyhting for that?
Comment By Mario123 At 10/2/2008 9:42 PM
Thats helpfull.
Comment By shadow of destruction At 10/20/2008 5:23 PM
thanks i was scared icould never play again
Comment By m3tr0id prim3 At 11/9/2008 3:09 PM
that was awsome
Comment By lavalord1234 At 11/20/2008 9:02 AM
this is ausome
Comment By 398199007 At 12/4/2008 6:12 PM
You're a genius!! Now my kid will think I'm a magician :)
Comment By pradoj At 12/31/2008 12:02 AM
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