| Pokemon Gold & Silver Compression Documentation and Decompresser | necrosaro | Documentation on the compression used in the Pokemon Gold and Silver games as well as a working decompresser. | Game Specific | GB | Multiple Games | DOS | 1.0 | 13 Jan 2001 |
 PRS Utils | Nemesis | PRS compression is used in numerous Sega games (ex: NiGHTS into Dreams) for the Sega Saturn and later consoles such as Dreamcast. It is based on LZ77 compression with RLE emulation and extended matches. PRS archives have the extension .prs and can co…. | Miscellaneous | SAT | N/A | DOS | 1.0 | 11 Jul 2003 |
| PSYQ Sega Genesis/CD Tools | OEM | This is a suite of PSYQ’s official development tools for the Genesis and Sega CD add-on. Documentation is sparse, however. | Assembly Tools | Multiple | N/A | DOS | 1.0 | 25 Oct 1995 |
| Quick Block Copy | DQ Translations | Safely copy a chunk of data from one file to another. | Miscellaneous | N/A | N/A | DOS | 1.0 | 11 May 2007 |
| R-Type 2 Compression Tools | evo | Tools for working with R-Type II’s compressed data. Includes source code. | Game Specific | GB | R-Type II | DOS | 2005 | 08 May 2005 |
| Radia Decompressor | Jair | This program extracts the compressed word table from “Radia Senki: Reimei Hen” into a thingy-format TBL file. Includes source code as well. | Game Specific | NES | Radia Senki: Reimei Hen | DOS | 1.0 | 26 Aug 1998 |
| READCHAR | Unknown | Capable of viewing NES graphics. | Graphics Viewers | NES | N/A | DOS | 1.0 | 15 Apr 1997 |
| Recap | has_san | A utility that recalculates pointers so that you don’t have to waste precious hours after reinserting that freshly edited script! | Pointers | Multiple | N/A | DOS | 1.0 | 15 Oct 1999 |
| Rhack | Pelrun | A tableless text editor. Not quite a hex editor, but not a script dumper either, so it goes here. | Hex Editors | N/A | N/A | DOS | .80 | 01 Feb 1998 |
| ROM Padder | Eidolon Translation Group | A tool for use in Genesis/SNES ROM Expansion. | Miscellaneous | Multiple | N/A | DOS | 1.0 | 03 Jan 2000 |
| ROMedit | Jason Lucas | A tableless text editor. | Hex Editors | N/A | N/A | DOS | 2.25 | 31 Aug 1997 |
| Romjuice | Prez | A versatile text dumper which supports multibyte table definitions, customizable hex output, multiple table files, and many other useful features. | Script Extraction / Insertion | N/A | N/A | DOS | 2.2 | 30 May 2001 |
| Romview | Phantom Menace | Rips NES and SNES sprites. | Miscellaneous Graphics Tools | Multiple | N/A | DOS | 3.5 | 19 Feb 2000 |
| Rsearch | Jay | An interesting twist on the relative search program which searches for Romaji rather than English strings. | Searching | Multiple | N/A | DOS | 1.0b | 24 Apr 1998 |
| Rygar Improvement | Chris Hickman | A Rygar level editor. | Level Editors | NES | Rygar | DOS | 1.01 | 25 Jul 1998 |
| Schnapsidee | Matrixz | This is a editor for 1942 for the Nintendo Entertainment System. It can edit level palettes, screen order, screens, block attributes, and block TSA. | Game Specific | NES | 1942 | DOS | 0.1 | 27 Oct 2003 |
| ScriptCrunch | Klarth | ScriptCrunch provides 5 script size optimization algorithms (like DTE) and many features to crunch your oversized script for insertion. | Script Extraction / Insertion | Multiple | N/A | DOS | 1.0 | 10 Dec 2006 |
| Search Relative | J3d! | The original relative searcher. No GUI, no hassle, command line driven, hometown fun. Searches ROMs for strings and gives you guesses as to the hex values of individual letters. | Searching | Multiple | N/A | DOS | .01 | 08 Jun 1998 |
| Sega Genesis C Compiler | plee1 | A compiler which compiles C files into Genesis format. | Miscellaneous | N/A | N/A | DOS | 1.0 | 14 Oct 1996 |
| SegaTool | The M.C.A. | A tool for Sega ROMs. Handles things such as region changing, ips patch creation and patching, and other functions useful to copier owners and hackers. | Patching | Multiple | N/A | DOS | 1.02 | 09 Aug 1995 |
PRS Utils
PSYQ Sega Genesis/CD Tools
Quick Block Copy
R-Type 2 Compression Tools
Radia Decompressor
READCHAR
Recap
ROM Padder
ROMedit
Romjuice
Romview
Rsearch
Rygar Improvement
Schnapsidee
ScriptCrunch
Search Relative
SegaTool