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Not tested. Don't have the game anymore.

Feel free to post if it works / what trophies you get.

Since first posting, this has been confirmed as working, so some users have been so helpful as to make and post their saves at different parts of the game to help out other users.

Save at the end of the game on Hard difficulty - Credit to edge4eva32

Save at 239/240 Riddler Trophies - Credit to edge4eva32

Another platinum save, but for the Game of the Year edition - Credit to WhatsaN00B
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Based off of user's tests, you are able to get all of the trophies for the challenges, by completing one (1). Aswell, you can get the Perfect Knight and World's Greatest Detective by scanning the Warden's Office.

Does there happen to be a noob friendly explaination of how to do all of this? As i've searched the forum and only gotten alot of information that just doesn't really make any sense to me.

I get that you need to install CFW on your ps3 via USB device,

And that you need some sort of Program to transfer files

So yea, im kinda stumped as to what I need to do, so do you know where anyone has made a very and I stress the word 'very' simple tutorial for all this?

Thanks in advance

More or less, try this:

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I personally use Comgenie's Awesome File Manager as for me, it is easier than FTP, but to each their own. Google to get download of the pkg.

I went, but the notice from hotz came out how do I download the firmware for my 3.55 firmware ps3?

you're gonna have to google that. sony took them down for obvious reasons. but you can still find them. if you still have trouble i will try to U/L mine for you.

I've downloaded, it's 100% that's OK, but when i try to pop up trophies it says "A discrepancy between the creator of the save data and the trophy user. to continue to be awarded trophys please quit and restart the game." and "You didn't earn a trophy" warning seem at the top of the screen. Please help...

tell me exactly how you copied the save over please.

Firstly, I found the directory of save files, then I deleted them one by by (not directory) then I' copied files one by one. Another way to work?

which files do you replace? is it all 3?
PARAM.PFD
PARAM.SFO
PAYLOAD
also does this work for eu?

Yeah,
I copied all of the files you said. Works for EU too (mine is EU) but I can't get trophies (I also tried another save files for EU but it also didnt give trophies, same error).