GoodTools

---

This short article is in need of work. You can help Sega Retro by adding to it.

---

The GoodXXXX series is a naming method and series of programs used to label and verify ROMs.

Country Codes

(U) - The game is from the US and is in English (J) - The game is from Japan and is in Japanese (E) - The game is from Europe and is in English (JU) - The game is in English and Japanese (1) - The game is from Japan and Korea (4) - The game is from USA & Brazil NTSC (A) - The game is from Australia and is in English (F) - The game has a world release (PD) - The game is in public domain (Unl) - The game is unlicensed

Standard Codes

[!] - The game is a verified good dump (aX) - The game is alternative to the original copy (bX) - The game is a bad dump. These are useless. A bad dump often occurs with an older game or a faulty dumper (bad connection). Another common source of [b] ROMs is a corrupted upload to a release FTP. (f) - A fixed game has been altered in some way so that it will run better on a copier or emulator. (h) - The game has been hacked [h1C] - Further identifies a hack as a cartname hack (o) - An overdumped ROM image has more data than is actually in the cart. The extra information means nothing and is removed from the true image. (t) - The game has been supplied with a trainer (x) - Wrong checksum (Needs verifying). Potentially- [c][!] or a baddumpbr/>

Genesis-Specific Codes

(1) - Carts with this code will run on both Japanese and Korean machines. (32X) - 32X game (4) - While this code is technically the same as a (U) code, it is a newer header format and represents that the cart will run on USA and Brazil NTSC machines. (B) - This country code indicates that the cart will run on any non-US machine. (c) This code represents a cart with known faulty checksum routines. (J-Cart) - Codemasters J-Cart (MP) - MegaPlay (only Sonic 1 is in Goodgen)