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Unofficial RetroAchievements 1G1R DATs. 1.5

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About This File

UPDATE 08/01/2024: I'm busy working on v2.0 of the DATs so I won't be releasing any new updates for a long while.

This is my 1st attempt at creating 1G1R (1 Game 1 Rom) DAT files to scan with ClrMamePro for those who want a RetroAchievements-only rom collection. I've tried my best to make these DATs as perfect and up to date as I possibly can but not all of them are 100% complete/perfect so please make sure you backup your roms before scanning them with these DATs, just in case. 

Here is some info on these DATs:

  • Each game entry listed on the RetroAchievement site has 1 "Best" rom each added in these DATs that I personally selected. The exceptions to this is for games with multiple discs/sides and with achievement sets that require you to play more than 1 linked rom of the same game to unlock all the achievements of that set. An example is the game "Game Boy Advance Video Series" where there are 15 linked roms on the RA website but you need to play all 15 roms in order to unlock all the achievements for this 1 set. In this case and all other cases like this, all 15 roms and all discs/sides are added in these DATs. There's possibly a LOT of games in these DATs that require more than 1 different linked rom to be played to unlock the entire achievement set but I only added 1 of the required roms in the DATs or vice versa so if you encounter any of these games with this problem in the DATs, please let me know so I can update them accordingly.
  • Your roms will need to be in zip format for these DATs to work and these DATs will rename both the zip and the rom(s) inside the zip to the same name that is listed on the RetroAchievement website (e.g  "Contra.zip/.nes" will be renamed to "Contra ! Probotector.zip/.nes"). If the rom type is a HACK, HOMEBREW, PROTOTYPE, UNLICENSED or DEMO, that type name will be added to the beginning of the rom name (e.g "~Hack~ Rockman 2 - Basic Master") and if it's a SUBSET, the subset name will be added at the end of the rom name (e.g "Mega Man 2 [Subset - Bonus]"). If an achievement set has multiple roms that are required to unlock all the achievements, the roms' names will be the game name on the RA website and something added after it to distinguish them from each other (e.g "RA Game Name (Disc 1)" and "RA Game Name (Disc 2)" or "RA Game Name (Debug)" and "RA Game Name (Non-Debug)", etc).
  • I have prioritized English over every other language so the rom region/language priorities are as follows: USA > World > Europe > T+Eng > T-Eng > Japan > any non-English language.
  • There are a lot of games where I prioritized hacks that made improvements to the original game in the DATs. Examples would be Restoration (Sound and/or Graphics) hacks, QoL Hacks, BugFix hacks etc. I also prioritized Alternate (a) roms and roms with the highest release version number (e.g v1.2 or REV B) wherever possible as long as it has RetroAchievement support.
  • For SNES, I left out all but 2 MSU roms from the DATs because they have multiple files per game, they can't be played properly from within the zip (they need to be extracted 1st) and to keep the SNES DAT as short and clean as possible. The 2 exceptions are "~Hack~ Legend of Zelda, The - A Link to the Islands" and "~Homebrew~ Super Road Blaster" because there is no "non-MSU" rom linked for either of these 2 Achievement sets.
  • All the CUEs have been edited to work correctly with the renamed BIN roms but there might be a few errors or discrepancies here and there. Please inform me of these so I can correct them. These CUEs are in a separate zip file download.

If there's any issues, questions or suggestions, feel free to either comment or DM me. I'll only be adding new games to the DATs for now until I can find a way to see when a game's linked rom(s) on the website has been changed/removed or an achievement set has been removed from the website so I can then update the DATs accordingly. Alternatively, if anyone wants to help by letting me know of these changes/removals when they encounter them or as they happen, you're welcome to do so and I'll update the DATs accordingly. I'll even credit you by adding your name to the author section of the DATs that you helped me with if you want.

Edited by Ultra God Azgorath
Current update situation on the DATs.

What's New in Version 1.4   See changelog


  • Found and corrected a few more name errors.
  • Added all new games that have received cheevos this week.
  • I've decided to rename all games that had multiple names in their name that were separated with a "|" or a "!" so that only the 1st name is now the name of the game. For example, Contra (NES) on the RA website is listed as "Contra | Probotector" and in my previous DATs it was listed as "Contra ! Probotector" but in v1.4 it is now simply listed as "Contra". I made this decision to help make it easier for scrapers (emumovies, screenscraper, etc) to identify the games and download the correct media and so that the game names weren't so long. I made this change with the CUEs' file names and internal data names as well.
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