The following are most of the tags that can be found in the filenames on RomUlation. Mostly you can ignore these codes as they are for collectors, only a few of them are to be used. Code: 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 (PD) - Public Domain 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 (S) - Spanish (SW) - Sweden (U) - USA (UK) - England (Unk) - Unknown Country (-) - Unknown Country