Code = Most Common Codes Found in Rom Filenames
[!] = Perfect copy of the game
[U.] = USA and Canada
[J] = Japan
[E] = Europe
[JUE] = Japan, USA and Europe
[V#.#] = Some games were commercially sold with different versions/variations (example: V1.1)
Code = Game Modifications Found in Rom Filenames
[c] = Cracked to run better on emulators or to take advantage of special features
[f] = Fixed to run better on emulators
[h] = Hacked game with modifications to sound, graphics, levels, game engine, etc
[p] = Pirate is a form of hack but they're usually sold in countries like China
[t] = Trainer contains cheats added to game
[T-] = Old Translation of game (game has been translated to another language; example: T+Eng would be to english)
[T+] = New Translation of game (game has been translated to another language; example: T+Eng would be to english)
Code = Other Codes Found in Rom Filenames
[a] = Alternate version of a rom
[b] = Bad dump; game has problems
[o] = Overdump contains useless repeated data (file size is bigger than it should be)
(Unl) = Unlicensed commercial release
(-) = Unknown year
(M#) = Multiple languages; example: M4 for four languages
(###) = Checksum value
(??k) = Rom size
ZZZ_ = Unclassified
[C] = Game Boy Color enhanced or exclusive
[S] = Super Game Boy enhanced
Code = All Country Codes Found in Rom Filenames
(A) = Australia
(C) = China
(E) = Europe
(F) = France
(FC) = French Canadian
(FN) = Finland
(G) = Germany
(GR) = Greece
(HK) = Hong Kong
(I) = Italy
(J) = Japan
(K) = Korea
(NL) = Netherlands
(PAL) = Europe and other PAL TV regions
(PD) = Internet release for distribution
(S) = Spain
(SW) = Sweden
(U) = USA and English Canadian
(UK) = United Kingdom
(Unk) = Unknown country
[youtube]http://www.youtube.com/watch?v=P-CqSGjCc_Y&list=UUv5_6xvzEMkFr82uf63dSHQ[/youtube]