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Category talk:Nintendo 3DS games

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What is up with 3ds games and the ability to disassemble them? There's data for OOT 3D that can only be uncovered by disassembly, but most other pages and discussion pages say that it isn't possible yet. So, what is the truth? If we can, I would be happy to disassemble some games and find unused things. --Signed: Vectrex (talk) 20:54, 15 April 2014 (EDT)

Here's the thing: It IS possible, but we haven't yet had any source on HOW to decrypt it. So we're stuck with decrypted ROMS from....sources, I'm not sure who, personally. OOT3D is one of those. May be the ONLY one, actually.
Anyways, smea has discovered a method of decrypting 3DS ROMs, but doesn't want to release it yet. If you want to find out more info, visit the #zelda irc subchannel, which was created specifically for OOT3D's ROMFS. Robotortoise (talk) 20:57, 15 April 2014 (EDT)
Some 3DS games are in the process of being decrypted and "disassembled" by experts in their field. Others are not yet or are in very early stages. We haven't said it's "not possible yet" for quite some time. --AquaBat (talk) 21:10, 15 April 2014 (EDT)

Decrypting 3DS games is possible now, we have a topic here at Jul. Ukueleh (talk) 04:40, 6 September 2014 (EDT)

What tools would I need to browse files?

I'm hoping to look into a couple 3DS games, but I don't know how to get in. I've managed to get romfs.bin and exefs.bin files using braindump, but how do I browse them? WhoIAm (talk) 17:47, 25 November 2015 (EST)

If the romfs and exefs are decrypted, you can use ctrtool to dump the contents. Otherwise you will first need to generate xorpads for them using a different program and a 3DS. -Ehm (talk) 17:49, 25 November 2015 (EST)
Since I used braindump, they should already be decrypted. I tried instructions from this guide, and all went well until step 3- the command-line instructions didn't work, they weren't recognized. I also tried navigating to the directory and entering "ctrtool romfs.bin -x" and "ctrtool romfs.bin -extract", but that just showed me information about the file. What should I enter into the Command Prompt? WhoIAm (talk) 20:19, 25 November 2015 (EST)
Try ctrtool --intype=romfs --listromfs --romfsdir="\GAMENAME" "GAMENAME.bin" > log.txt, where GAMENAME is the name of your bin file and the directory the files will be dumped into (this will be created by ctrtool). A log will be generated detailing the extraction process. -Ehm (talk) 20:25, 25 November 2015 (EST)
Thanks, I got it to work. Now, it seems my games keep their secrets locked away in .cpk archives. I found CriPackedFileManager, which shows me all the files inside, but I can't extract any of them from the archive- the program throws up the error "Cannot extract a file, this is invalid CPK file format". Any way around that? WhoIAm (talk) 22:51, 25 November 2015 (EST)
Use this CPK script in conjunction with QuickBMS. Put everything in the same folder, including the .cpk and run the .bat file. It will output all of the CPK contents into a directory with the same name. -Ehm (talk) 22:56, 25 November 2015 (EST)
Thanks...worked perfectly! WhoIAm (talk) 23:37, 25 November 2015 (EST)