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Engineering & Reverse Engineering(Mark this forum as read)
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My Sonic 3 cartridge never saved games tokumaru 
  • 4 Replies
  • 1713 Views
Sonic in Spelunky RazoZen 
  • 0 Replies
  • 1626 Views
Is there a Sonic Crackers hardware patch? Phugolz 
  • 2 Replies
  • 1703 Views
Gens MDP Plugins
What? How?
Top-Hatt 
  • 14 Replies
  • 2651 Views
Motorola ASM gems drx 
  • 0 Replies
  • 1146 Views
A neat little Genesis Devkit I saw Top-Hatt 
  • 17 Replies
  • 3794 Views
Sonic 2 Split Disassembly FraGag 
  • 119 Replies
  • 47265 Views
Various bugfixes for the Sonic 1 sound driver ValleyBell 
  • 3 Replies
  • 2268 Views
Optimized KosDec and NemDec, considerably faster decompression
UPDATE: New improved Kosinski and Nemesis compressors by flamewing
vladikcomper 
  • 32 Replies
  • 11584 Views
Sonic 1 Disassembly Hivebrain 
  • 66 Replies
  • 24068 Views
Shadow the Hedgehog general hacking discussion
Formely Shadow the Hedgehog test level found
ashthedragon 
  • 102 Replies
  • 58325 Views
An open question to E-122-Psi
Not a PM for a reason; opinions are welcome
nineko 
  • 28 Replies
  • 4912 Views
Genesis Port/Remake of Modern Sonic games?
Do any exist?
Lodmot 
  • 9 Replies
  • 2539 Views
SA2 Ranks? Chensen 
  • 2 Replies
  • 926 Views
How to improve the PLC Queue
Who wants RAM/an obscene number of PLRs?
Clownacy 
  • 0 Replies
  • 795 Views
Saxman's Sonic Boom engine
Throw out your S2 disassemblies. Try this instead.
saxman 
  • 76 Replies
  • 28873 Views
Sega PC Reloaded
Four old games, working still/again
Korama 
  • 76 Replies
  • 41594 Views
Sonic 1 RAM for the RAM newbie? er1c1996 
  • 7 Replies
  • 2225 Views
Dr Robotnik's Mean Bean Machine Hacking Thread E-122-Psi 
  • 13 Replies
  • 4042 Views
Xoreos team working on Sonic Chronicles engine reimplimentation Sofox 
  • 9 Replies
  • 3739 Views
Sonic X-treme Modding !
Now that you've got the 037 leak, Lets Have some fun!
Andrew75 
  • 1 Reply
  • 5350 Views
Help with porting S3K's layout format?
MCZ bug I can't seem to shake
Clownacy 
  • 10 Replies
  • 2257 Views
Sonic Heroes Prototype ADX files
I kinda want them
Glisp 
  • 1 Reply
  • 1837 Views
Sonic Runners sound files Azu 
  • 6 Replies
  • 2150 Views
S1-friendly improved Sonic 2 sound driver
April Fools' joke gone too far
Clownacy 
  • 4 Replies
  • 2547 Views
S&KC Mod Loader
Because why not
MainMemory 
  • 2 Replies
  • 1741 Views
Sonic 2 Delta v0.25
Test version
Esrael 
  • 15 Replies
  • 7250 Views
Amy In Sonic 1
"Amy Rose is here!"
E-122-Psi 
  • 261 Replies
  • 65946 Views
S3K to S1 SMPS Converter ValleyBell 
  • 16 Replies
  • 10224 Views
Sonic 2 Special Stage Editor
Windows and Linux; v0.2.0
flamewing 
  • 34 Replies
  • 14494 Views
Sally in Sonic 1! E-122-Psi 
  • 161 Replies
  • 61580 Views
Sonic Advance Hacking
Just a general Sonic Advance hacking thread.
Demonic722 
  • 27 Replies
  • 9106 Views
SoniPlane
HELP WANTED! - SEGA MegaDrive plane editor (beta 1.1.1) - in-dev:
Natsumi 
  • 24 Replies
  • 9637 Views
Making Sonic 2's sound driver good
A collection of guides too short for their own topics
Clownacy 
  • 1 Reply
  • 1984 Views
Get Blue Spheres? Cinossu 
  • 14 Replies
  • 7297 Views
Blue Sphere Password Algorithm Reverse-Engineered ArrowCase 
  • 4 Replies
  • 2666 Views
Rocket Knight Adventures Compression
Tool Help Required
StephenUK 
  • 2 Replies
  • 1730 Views
[S1] Considerably speeding up level loading
Gotta go fast, right?
Natsumi 
  • 14 Replies
  • 4156 Views
Strange fix to test out
I want to see if it's just me
Clownacy 
  • 4 Replies
  • 3085 Views
GSXPwn snkenjoi 
  • 0 Replies
  • 1607 Views
How to improve PCM playback quality with Sonic 2's sound driver Clownacy 
  • 3 Replies
  • 2379 Views
Sonic 3 Cz v2.0
Launch Base unglitched!
Hayate 
  • 41 Replies
  • 21258 Views
Sonic Boom: Rise of Lyric File Formats NeKit 
  • 1 Reply
  • 3728 Views
Need help ripping sound effects from the DC version of SA2 IndyTheGreat 
  • 4 Replies
  • 2839 Views
Sonic Heroes something MainMemory 
  • 44 Replies
  • 25330 Views
Dragon Crystal (SMS) Disassembly and Exploration
Yay Sega roguelikes
trykaar 
  • 12 Replies
  • 5524 Views
Sonic Adventure: Beta Chao Garden Restoration Vertrex 
  • 6 Replies
  • 4273 Views
[Tutorial] How to interactively add objects to SA2 levels flarn2006 
  • 2 Replies
  • 1698 Views
How to fix speed issues in Sonic 2
A step-by-step guide
redhotsonic 
  • 12 Replies
  • 8456 Views
Saturn Homebrew 101
how do?
Lostgame 
  • 0 Replies
  • 1554 Views
How to extend the sound ID range in Sonic 2's sound driver
(properly)
Clownacy 
  • 0 Replies
  • 1580 Views
Sonic Hacking Contest 2014 Results Spanner 
  • 26 Replies
  • 10261 Views
Fixed Water in the Chao Gardens (Sonic Adventure DX PC) IndyTheGreat 
  • 8 Replies
  • 5930 Views
Metal Sonic Hyperdrive
Metal Sonic in Sonic 1-3K included
LoneDevil 
  • 18 Replies
  • 10356 Views
Playable Metal Sonic in Sonic CD
Halloween release
LoneDevil 
  • 17 Replies
  • 8632 Views
Static Splash Screen Guide Hitaxas 
  • 3 Replies
  • 3437 Views
Sonic 1 "Mega PCM" driver
A new DAC driver for Sonic 1, version 1.1 is out!
vladikcomper 
  • 46 Replies
  • 29458 Views
Esrael Neto Assembler Editor v0.10 Esrael 
  • 13 Replies
  • 3673 Views
Porting any Sonic Megadrive game to SNES
I'm just curious if it's possible
Hez 
  • 53 Replies
  • 15944 Views
Sonic - Into The Void
About my hack
Blueblur93 
  • 68 Replies
  • 17585 Views
Sonic The Hedgehog 1 for Sega/Mega-CD
UPDATE: 12/05/2013
HCKTROX 
  • 21 Replies
  • 11079 Views
Aspect Edit Help
Editing Sonic 2 Master System
EsseOuriço 
  • 7 Replies
  • 2164 Views
The Chaos Layer (Alpha) MarkeyJester 
  • 18 Replies
  • 7652 Views
Gens Rerecording / Lua issue
This really scuppers a project of mine, I'd appreciate any insight
Mercury 
  • 20 Replies
  • 4140 Views
Manifest Destiny: Split Disassemblies of Non-Sonic Games
aka Let's Make A Split Disassembly of Pokémon Fire Red!
Quickman 
  • 16 Replies
  • 6180 Views
I HOG THAT HATE HEDGE!!! MarkeyJester 
  • 31 Replies
  • 13484 Views
[S1] How to add extra characters
Because I havent seen a full guide on this before
Natsumi 
  • 1 Reply
  • 2567 Views
Sonic Advance 1 Android Port Decompile
Any use for this?
evilhamwizard 
  • 42 Replies
  • 13567 Views
Sonic Megamix Stealth 
  • 369 Replies
  • 145664 Views
Music Oddity with Sonic 3D Blast PC RGamer2009 
  • 5 Replies
  • 2763 Views
Update: How to port S3K Priority Manager into S2
Let's speed up your hack! (Updated 15/07/2012)
redhotsonic 
  • 43 Replies
  • 9354 Views
MarkeyJester's Sonic 128 - REVAMPED
Now available on GitHub
KingofHarts 
  • 21 Replies
  • 8044 Views
Sonic Hacking Contest 2014 - Entries, Streams, Voting Live!
We're doing it again! Get involved!
Spanner 
  • 147 Replies
  • 41615 Views
Sonic 2 Adventure Edition
a thing happened
MainMemory 
  • 86 Replies
  • 33886 Views
TGC's Official Coverage of the Hacking Contest!
Exposés and Countdowns and Gameplay, oh my!
Josh 
  • 2 Replies
  • 1655 Views
Pallete liberary
Wondering if updating my really old projects are worth it?
Rabid 
  • 5 Replies
  • 1978 Views
Generic error debugger + disassembler
Now supporting asm68k... kind of
flamewing 
  • 13 Replies
  • 4852 Views
Sonic Adventure Generations
Because I had to
Dude 
  • 270 Replies
  • 92246 Views
Robotnik Returns!
My Hack!
pacguy 
  • 25 Replies
  • 6230 Views
Classic Sonic in Sonic Colours
Wii Version
KTH 
  • 16 Replies
  • 6278 Views
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