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Engineering & Reverse Engineering(Mark this forum as read)
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Update: How to port S3K Priority Manager into S2
Let's speed up your hack! (Updated 15/07/2012)
redhotsonic 
  • 29 Replies
  • 4328 Views
Is Sonic CD's "Toot Toot" CDDA ever used?
Hacking Sonic Gems, need to make space.
Vague Rant 
  • 2 Replies
  • 2049 Views
Sonic FM Instrument Breakdown?
Like, into common sense synth terms?
SegaLoco 
  • 4 Replies
  • 1155 Views
Multiple Tails tails' bug fixes (Mainly S2, some are S3K)
Was: How to fix Tails' tails display behaviour S2 & S3K
redhotsonic 
  • 16 Replies
  • 4161 Views
Sonic Heroes PAC unpacker? Azu 
  • 0 Replies
  • 630 Views
Sonic 1 Megahack: Ultra Edition vladikcomper 
  • 34 Replies
  • 11047 Views
.CSB Packer?
Sue me if this is in the wrong place to put it.
Jogita 
  • 0 Replies
  • 735 Views
New Mercurial Repository Request
For Shining Force II
Wiz 
  • 7 Replies
  • 952 Views
Sonic Hacking Contest 2012 RESULTS Spanner 
  • 49 Replies
  • 7617 Views
Sonic CD 2011 Save Game Hex Editing Guide
iOS version
KingofHarts 
  • 6 Replies
  • 2748 Views
Sonic Adventure DX Chao Garden Hex Editing Guide For Begginers
XBOX 360 Arcade Edition
Peavler 
  • 3 Replies
  • 3041 Views
Sonic Hacking Contest 2012
SUBMISSIONS DEADLINE: July 21st 2012 - Get Involved!
Spanner 
  • 68 Replies
  • 18804 Views
How to fix the drowning bugs
Sonic 1 and 2
redhotsonic 
  • 7 Replies
  • 1459 Views
Disembodied head of Metal Sonic Kai
and other unused Chaotix Sprites missed by Retro.
Dr. Mecha 
  • 10 Replies
  • 4177 Views
Steps of a Disassembly
I need a little help
Elektro-Omega 
  • 13 Replies
  • 1783 Views
Proof of Concept: Sonic 2 Lockon
loading levels from extra binaries
MainMemory 
  • 10 Replies
  • 2701 Views
Sonic 2: Battle Race
An alternative to 2P VS mode
ColinC10 
  • 20 Replies
  • 5228 Views
Sonic CD Hacking
Two Quick Questions I Want to Ask
Kharen 
  • 1 Reply
  • 1189 Views
Sonic 4: Episode 1 (1:1 rendering hack?)
Make a crappy game run more efficiently
Metalsonicmk72 
  • 4 Replies
  • 2782 Views
Sonic 2 Secret Rings Edition
not quite dead?
MainMemory 
  • 32 Replies
  • 14763 Views
kens unstable branch (1.5)
kens-1.4.22 (alpha) prototype
kram1024 
  • 3 Replies
  • 855 Views
Regen emulator glitch
That pesky SRAM!
redhotsonic 
  • 25 Replies
  • 2948 Views
Sonic 2 Unimpossible
Like Red Rings, but different.
ShadowsofYesterday 
  • 130 Replies
  • 31110 Views
OSX support in S3&K dissassembly
Working locally, does SVN want it?
Orangy Tang 
  • 19 Replies
  • 4353 Views
How to free up 2 universal SSTs!
Sonic 2 guide
redhotsonic 
  • 8 Replies
  • 2269 Views
Sonic 1 Backgrounds kazade 
  • 9 Replies
  • 2219 Views
Looking for something... Irixion 
  • 0 Replies
  • 643 Views
Transform at will in Sonic 2 Machenstein 
  • 40 Replies
  • 5259 Views
How to fix accidental deletion of scattered rings
S1, S2 and S3K fix
redhotsonic 
  • 7 Replies
  • 1607 Views
Horizontal Stretch is not working moonknight 
  • 8 Replies
  • 1936 Views
Generations PC Unleashed Porting - Public Hardware Test #1
Short bits of Blue Hedgehog running through Greece at 60 FPS
Dario FF 
  • 149 Replies
  • 54020 Views
How to fix Tails' respawn speeds
Sonic 2 and S3K
redhotsonic 
  • 8 Replies
  • 1797 Views
Sonic Generations Setup Program Disassembled
Code inside!
SSNTails 
  • 11 Replies
  • 6768 Views
Sonic Spinball weird sound Tom41 
  • 9 Replies
  • 2913 Views
Panty & Stocking 4: Episode II + Episode Gurren
A Sonic 4: Episode II music mod
Guess Who 
  • 12 Replies
  • 5807 Views
PelĂ© the Beloved Dog in Sonic Retro Melpontro 
  • 16 Replies
  • 4743 Views
Classic Sonic Adventures(Sonic Generations Mod)
The modern era palette hack! :V
Dario FF 
  • 18 Replies
  • 36855 Views
Disassembly Bug
Assistance requested
saxman 
  • 3 Replies
  • 954 Views
Sonic CD level-designated moveset?
search gets no useable results
ToxicAtom 
  • 10 Replies
  • 3452 Views
Sonic 3 & Knuckles: Blue Nightmare / Red Nightmare
Sonic 3 & Knuckles with pretty hard special stages
Blue Sphere Maniac 
  • 5 Replies
  • 3081 Views
Pitch bends with the genesis hardware.
Also with the driver that S3&K uses
Aerosol 
  • 3 Replies
  • 810 Views
Sonic 2 Speedometer, Boost Meter, and Ring Finder
A Lua script for the Gens Rerecording branch
Dr. D'nar 
  • 18 Replies
  • 3872 Views
UPDATED: Speed up the ring loss process (even further) with underwater
redhotsonic and SpirituInsanum presents...
redhotsonic 
  • 16 Replies
  • 2397 Views
SonAni2Gif
Convert animation scripts to GIF
MainMemory 
  • 12 Replies
  • 1835 Views
Turbo SuperSonic 3 in Sonic 2: V1.2
Update from the last version
Mike B Berry 
  • 36 Replies
  • 9804 Views
UIs and Translations GerbilSoft 
  • 5 Replies
  • 844 Views
How to fix the scattered rings underwater
This is for Sonic 1, Sonic 2 and also S3K!
redhotsonic 
  • 19 Replies
  • 3850 Views
ZOMG Savestate Format GerbilSoft 
  • 13 Replies
  • 2187 Views
The Sonic Colors Hacking Topic
I have a head start, but I'll need your help.
Pexs 
  • 6 Replies
  • 4708 Views
Here is a guide I want to see used
Or: a guide to fix a bug nobody cares about
Hitaxas 
  • 13 Replies
  • 1919 Views
Question about Sonic Jam Sodaholic 
  • 8 Replies
  • 1769 Views
I need aiding in pallet spliting in Sonic 2
I need some info for the Xeowhirl disassembly
Mike B Berry 
  • 6 Replies
  • 973 Views
Sonic 2: Hold Right To Win Edition
A Sonic 2 Level Layout Hack
Shade Vortex 
  • 14 Replies
  • 4856 Views
Announcing the Sonic Retro App
for Windows and Chrome OS
GerbilSoft 
  • 33 Replies
  • 4669 Views
Sonic Rivals 2 Level Editing
Very early and terrible, but still awesome.
Skaarg 
  • 2 Replies
  • 1639 Views
Sonic's Edusoft Hacking Notes
Yeah the game sucks but I wanted to hack it :V
Ravenfreak 
  • 0 Replies
  • 996 Views
New sprite mappings editor?
or not
MainMemory 
  • 40 Replies
  • 5757 Views
Sonic Riders PC Hacking Info
so it's not just sitting on my hard drive being useless
MainMemory 
  • 0 Replies
  • 1402 Views
How to fix Pattern Load Cues queue shifting bug vladikcomper 
  • 6 Replies
  • 1079 Views
Professor Neo's Guide for Editing S3K Special Stage Palettes
This guide will make S3K special stage palette editing much easier
Professor Neo 
  • 3 Replies
  • 1248 Views
Need some help with a level hack I'm making Putmalk 
  • 11 Replies
  • 1759 Views
Sonic 2 Special Stage Editor
Windows and Linux; v0.2.0
flamewing 
  • 33 Replies
  • 7574 Views
S3K to S1 SMPS Converter ValleyBell 
  • 15 Replies
  • 4742 Views
Sonic 1 Lunacy
Because your pain is our love~
Destructiox 
  • 10 Replies
  • 4629 Views
MacENS 1.4-rc3 release (dylib version)
Yes, it is KENS for Mac OS X
kram1024 
  • 1 Reply
  • 691 Views
32X and Mode 1 Chilly Willy 
  • 0 Replies
  • 718 Views
Cybernetic Outbreak Update/Release Thread.
Woo!
Varion Icaria 
  • 303 Replies
  • 54726 Views
Random freezing (ROM build glitch) redhotsonic 
  • 10 Replies
  • 1836 Views
68k assembly tools for OS X? Travelsonic 
  • 1 Reply
  • 968 Views
A Guide to (GOOD) Palette Editing
Gimme a chance, fellas :3
Spektacular 
  • 18 Replies
  • 3683 Views
Vector In Sonic 1
'FIND DA COMPUTER ROOM!!!'
E-122-Psi 
  • 96 Replies
  • 24633 Views
Sonic Gems Collection/Sonic CD Hacking
Revisited for PS2 -and- Gamecube!
Eviltaco64 
  • 1 Reply
  • 2205 Views
I come forth asking a question Tribeam 
  • 4 Replies
  • 1664 Views
Flicky Turncoat DX
Sonic 2 Flicky Turncoat Edition Beta released on Retro
GT Koopa 
  • 39 Replies
  • 13945 Views
SonicGLvl v0.4 for PC
GUI overhaul and new objects
Dario FF 
  • 13 Replies
  • 10719 Views
Collision Data In Sonic 2 SMS
I didn't see it documented anywhere...
Ravenfreak 
  • 0 Replies
  • 717 Views
Charmy In Sonic 1
'BEE-BEE-BEEEE! CHARMY BEEE!!!'
E-122-Psi 
  • 49 Replies
  • 10417 Views
Sonic Mega Fusion
I know about the title, it sounds noob-ish
GenesisFan64 
  • 31 Replies
  • 11421 Views
Lost Graphics in Sonic CD 510
I'll update this topic as I find things
SegaLoco 
  • 17 Replies
  • 4457 Views
Sonic The Hedgehog: Badnik-Free Edition
What would Sonic 1 be like without badniks?
Chocobo 
  • 51 Replies
  • 10461 Views