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Engineering & Reverse Engineering(Mark this forum as read)
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  Important Topics
Pinned   Random Hack/Mini Project Thread Malevolence 
  • 626 Replies
  • 197942 Views
Pinned   Attachments Basic Questions & Answers thread
NEWBIES: Start here!
Tweaker 
  • 5420 Replies
  • 595062 Views
Pinned   Sonic Hacking Contest 2015
Oh hey it's finally announced.
Spanner 
  • 15 Replies
  • 6154 Views
Pinned   Attachments General Project Screenshot/Video Thread Tweaker 
  • 4312 Replies
  • 874840 Views
Pinned   Sonic Retro on GitHub
Who? What? When? Where? Why?
MainMemory 
  • 42 Replies
  • 8060 Views
Pinned   SonLVL
Level Editor for S1, SCD, S2NA, S2, S3K, SKC, SCDPC - 562 - 07/11/2015
MainMemory 
  • 580 Replies
  • 91215 Views
Pinned   Sega Homebrew Competition 2015 Super Egg 
  • 8 Replies
  • 3467 Views
Pinned   Who Can Test On Hardware? Quickman 
  • 75 Replies
  • 25369 Views
Pinned   Attachments THE SonED2 thread
2009-05-26 quickfix
Stealth 
  • 212 Replies
  • 59585 Views
Pinned   So, you want to start hacking Sonic?
PART 1: Newbie starting guide.
Jayextee 
  • 43 Replies
  • 43915 Views
  Forum Topics
SA2/SADX Mod Loader
I am the best at names
MainMemory 
  • 112 Replies
  • 43874 Views
Bunnie In Sonic 1
'Evil as a one eyed snake, sugar.'
E-122-Psi 
  • 18 Replies
  • 2814 Views
SADX/SA1 Hacking/Modding
Now with more research and development!
MainMemory 
  • 2195 Replies
  • 428660 Views
CrazySonic (Demo Release)
A very questionable Sonic hack.
ArtmeierCompanies 
  • 10 Replies
  • 1451 Views
Sonic Adventure DX: Fixed Edition
1.0.0, mod loader! 4/29/2015
Morph 
  • 135 Replies
  • 104820 Views
An open question to E-122-Psi
Not a PM for a reason; opinions are welcome
nineko 
  • 28 Replies
  • 2293 Views
Genesis Port/Remake of Modern Sonic games?
Do any exist?
Lodmot 
  • 9 Replies
  • 1139 Views
Sonic Megamix
New style (maybe), new thread
Stealth 
  • 86 Replies
  • 11290 Views
Sonic Colors 60fps hack (NTSC/PAL)
Dolphin required
evilhamwizard 
  • 12 Replies
  • 2990 Views
SA2 Ranks? Chensen 
  • 2 Replies
  • 236 Views
SADX PC '04 XInput
v1.5, 7/22/2015
Morph 
  • 19 Replies
  • 5179 Views
How to improve the PLC Queue
Who wants RAM/an obscene number of PLRs?
Clownacy 
  • 0 Replies
  • 169 Views
Saxman's Sonic Boom engine
Throw out your S2 disassemblies. Try this instead.
saxman 
  • 76 Replies
  • 21373 Views
Sega PC Reloaded
Four old games, working still/again
Korama 
  • 76 Replies
  • 21513 Views
Sonic Lost World (Wii U) Hacking & Resources - Tools are public
The child of Colors and the Hedgehog Engine
Dario FF 
  • 79 Replies
  • 26419 Views
Sonic Generations Hacking (and More!)
Generations Cracked wide open (Custom Levels are an ongoing event!
Andrew75 
  • 4523 Replies
  • 1600449 Views
Sonic 1 RAM for the RAM newbie? er1c1996 
  • 7 Replies
  • 1204 Views
Some changes and fixes for Sonic 2 Esrael 
  • 145 Replies
  • 35619 Views
Optimizing the DMA queue
Now on GitHub
flamewing 
  • 28 Replies
  • 7682 Views
Sonic Background Scrolling Screensaver
it's for your computer
MainMemory 
  • 63 Replies
  • 8895 Views
RSDK Unpacker Glitch 
  • 39 Replies
  • 12160 Views
Sonic Adventure 2 Hacking
Now a general SA2 Hax thread
Turbohog 
  • 853 Replies
  • 327367 Views
Retro Graphics Toolkit sega16 
  • 5 Replies
  • 797 Views
Sonic 2 Clone Driver v2
v2.3 | and other SMPS-related ramblings
Clownacy 
  • 76 Replies
  • 20132 Views
Dr Robotnik's Mean Bean Machine Hacking Thread E-122-Psi 
  • 13 Replies
  • 2347 Views
Let's hack Super Monkey Ball!
READY? GO!
Yoshimaster96 
  • 5 Replies
  • 1495 Views
Xoreos team working on Sonic Chronicles engine reimplimentation Sofox 
  • 9 Replies
  • 2508 Views
Some changes/fixes for Sonic 1 KingofHarts 
  • 67 Replies
  • 18278 Views
SonicGLvl v0.9 - Now on GitHub
NOT FOR REGULAR USE - EXPERIMENTAL BRANCH
Dario FF 
  • 17 Replies
  • 16684 Views
Sonic 3 Hacking
Because Non-Tech Members CAN'T avoid this game forever.
KingofHarts 
  • 21 Replies
  • 10260 Views
Flex
web based tile / mapping / DPLC editor
snkenjoi 
  • 11 Replies
  • 3726 Views
Sonic X-treme Modding !
Now that you've got the 037 leak, Lets Have some fun!
Andrew75 
  • 1 Reply
  • 3401 Views
Help with porting S3K's layout format?
MCZ bug I can't seem to shake
Clownacy 
  • 10 Replies
  • 1241 Views
Sonic 3 Complete
S&K Collection on MD, with fixes, Sonic 3 music and many options.
Tiddles 
  • 1600 Replies
  • 425665 Views
Sonic Heroes Prototype ADX files
I kinda want them
Glisp 
  • 1 Reply
  • 1131 Views
Sonic 3 And Sally Acorn
"NICOLE, laser!"
E-122-Psi 
  • 23 Replies
  • 4655 Views
Sonic 4. Polygon Jim 
  • 293 Replies
  • 90735 Views
Sonic Runners sound files Azu 
  • 6 Replies
  • 1358 Views
Sonic 2: Return of Shadow/demo and website. JoenickROS 
  • 8 Replies
  • 2958 Views
IDA Pro - Program Counter fix in 68000 disassembly
use one of the other in this topic instead of drx's k
kazblox 
  • 2 Replies
  • 888 Views
S1-friendly improved Sonic 2 sound driver
April Fools' joke gone too far
Clownacy 
  • 4 Replies
  • 1450 Views
S&KC Mod Loader
Because why not
MainMemory 
  • 2 Replies
  • 1086 Views
Sonic 2 Delta v0.25
Test version
Esrael 
  • 15 Replies
  • 4467 Views
Sonic 3 Resort Island
Because even heroes need a holiday
UtopiaUK 
  • 35 Replies
  • 21993 Views
Sonic Classic Heroes
Rise of the Chaotix (sorry, Mighty) - v0.10.008a out
flamewing 
  • 1518 Replies
  • 434135 Views
Amy In Sonic 2
"I'll destroy all of you!"
E-122-Psi 
  • 232 Replies
  • 80557 Views
Amy In Sonic 1
"Amy Rose is here!"
E-122-Psi 
  • 261 Replies
  • 57874 Views
S3K to S1 SMPS Converter ValleyBell 
  • 16 Replies
  • 7991 Views
Sonic 2 Special Stage Editor
Windows and Linux; v0.2.0
flamewing 
  • 34 Replies
  • 11810 Views
Big's Fishing Derby
ビッグの 釣りダービー
flamewing 
  • 23 Replies
  • 6651 Views
Sally in Sonic 1! E-122-Psi 
  • 161 Replies
  • 53930 Views
Various bugfixes for the Sonic 1 sound driver ValleyBell 
  • 1 Reply
  • 892 Views
Sonic Advance Hacking
Just a general Sonic Advance hacking thread.
Demonic722 
  • 27 Replies
  • 6677 Views
SoniPlane
HELP WANTED! - SEGA MegaDrive plane editor (beta 1.1.1) - in-dev:
Green Snake 
  • 24 Replies
  • 7391 Views
Making Sonic 2's sound driver good
A collection of guides too short for their own topics
Clownacy 
  • 1 Reply
  • 1182 Views
Sonic Fighters Hacking Andrew75 
  • 34 Replies
  • 14212 Views
Get Blue Spheres? Cinossu 
  • 14 Replies
  • 4843 Views
Blue Sphere Password Algorithm Reverse-Engineered ArrowCase 
  • 4 Replies
  • 1826 Views
Rocket Knight Adventures Compression
Tool Help Required
StephenUK 
  • 2 Replies
  • 1306 Views
Optimized KosDec and NemDec, considerably faster decompression
UPDATE: New improved Kosinski and Nemesis compressors by flamewing
vladikcomper 
  • 30 Replies
  • 7416 Views
SMPS2ASM and improved S&K Driver
Converting songs and SFX has never been easier
flamewing 
  • 40 Replies
  • 13564 Views
[S1] Considerably speeding up level loading
Gotta go fast, right?
Green Snake 
  • 14 Replies
  • 3463 Views
Strange fix to test out
I want to see if it's just me
Clownacy 
  • 4 Replies
  • 2566 Views
GSXPwn snkenjoi 
  • 0 Replies
  • 1253 Views
Sonic 1 Color Contrast
Beta 4.3
TheInvisibleSun 
  • 95 Replies
  • 28436 Views
How to improve PCM playback quality with Sonic 2's sound driver Clownacy 
  • 3 Replies
  • 1740 Views
Sonic 3 Cz v2.0
Launch Base unglitched!
Hayate 
  • 41 Replies
  • 17573 Views
Sally In Sonic 2
"Where were you when the brains were handed out?"
E-122-Psi 
  • 38 Replies
  • 14617 Views
Sonic Boom: Rise of Lyric File Formats NeKit 
  • 1 Reply
  • 2689 Views
Need help ripping sound effects from the DC version of SA2 IndyTheGreat 
  • 4 Replies
  • 2020 Views
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