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What the letters at the end of ROM files mean

Nintendo's profile picture
Published in 
Famicom
 · 6 Apr 2022

Standard Codes:

  • [a] - Alternate
  • [b] - Bad Dump
  • [BF] - Bung Fix
  • [c] - Cracked
  • [f] - Other Fix
  • [h] - Hack
  • [o] - Overdump
  • [p] - Pirate
  • [t] - Trained
  • [T] - Translation
  • (Unl) - Unlicensed
  • [x] - Bad Checksum
  • ZZZ_ - Unclassified
  • [!] - Verified Good Dump
  • (???k) - ROM Size


Special Codes:

  • [C] - Color GameBoy
  • [S] - Super GameBoy
  • (M#) - Multilanguage (# of Languages)
  • [M] - Mono Only (NeoGeo Pocket)
  • (PC10) - PlayChoice 10 (NES)
  • (1) - Japan (Genesis)
  • (4) - USA (Genesis)
  • (5) - NTSC Only (Genesis)
  • (8) - PAL Only (Genesis)
  • (BS) - BS ROMS (SNES)
  • (ST) - Sufami Turbo (SNES)
  • (NP) - Nintendo Power (SNES)
  • (Adam) - ADAM Version (Coleco)
  • (PAL) - PAL Video


Country Codes:

  • (A) - Australian
  • (C) - Chinese
  • (E) - Europe
  • (F) - French
  • (FN) - Finland
  • (G) - German
  • (GR) - Greece
  • (HK) - Hong Kong
  • (I) - Italian
  • (J) - Japan
  • (K) - Korean
  • (NL) - Dutch
  • (PD) - Public Domain
  • (S) - Spanish
  • (SW) - Sweden
  • (U) - USA
  • (UK) - England
  • (Unk) - Unknown Country
  • (-) - Unknown Country

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