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Engineering & Reverse Engineering(Mark this forum as read)
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  Important Topics
Pinned   Attachments Basic Questions & Answers thread
NEWBIES: Start here!
Tweaker 
  • 5365 Replies
  • 547080 Views
Pinned   Attachments General Project Screenshot/Video Thread Tweaker 
  • 4147 Replies
  • 806196 Views
Pinned   Random Hack/Mini Project Thread Malevolence 
  • 583 Replies
  • 179035 Views
Pinned   Sonic Retro on GitHub
Who? What? When? Where? Why?
MainMemory 
  • 40 Replies
  • 6121 Views
Pinned   Sega Homebrew Competition 2015 Super Egg 
  • 7 Replies
  • 1568 Views
Pinned   Sonic Hacking Contest 2015
Oh hey it's finally announced.
Spanner 
  • 5 Replies
  • 1578 Views
Pinned   Who Can Test On Hardware? Quickman 
  • 70 Replies
  • 21719 Views
Pinned   Attachments THE SonED2 thread
2009-05-26 quickfix
Stealth 
  • 212 Replies
  • 56138 Views
Pinned   So, you want to start hacking Sonic?
PART 1: Newbie starting guide.
Jayextee 
  • 43 Replies
  • 38650 Views
  Forum Topics
Flex
web based tile / mapping / DPLC editor
snkenjoi 
  • 8 Replies
  • 1121 Views
Sonic Adventure 2 Hacking
Now a general SA2 Hax thread
Turbohog 
  • 845 Replies
  • 301840 Views
Blue Sphere Password Algorithm Reverse-Engineered ArrowCase 
  • 2 Replies
  • 252 Views
Sonic Fighters Hacking Andrew75 
  • 33 Replies
  • 11053 Views
Rocket Knight Adventures Compression
Tool Help Required
StephenUK 
  • 2 Replies
  • 418 Views
Sonic 2 Clone Driver v2
v2.2.5.2 | and other SMPS-related ramblings
Clownacy 
  • 73 Replies
  • 16189 Views
SonLVL
Level Editor for S1, SCD, S2NA, S2, S3K, SKC, SCDPC - 518 - 03/04/2015
MainMemory 
  • 561 Replies
  • 82114 Views
Get Blue Spheres? Cinossu 
  • 12 Replies
  • 2606 Views
Sonic Generations Hacking (and More!)
Generations Cracked wide open (Custom Levels are an ongoing event!
Andrew75 
  • 4417 Replies
  • 1512191 Views
Optimized KosDec and NemDec, considerably faster decompression
UPDATE: New improved Kosinski and Nemesis compressors by flamewing
vladikcomper 
  • 30 Replies
  • 5733 Views
SMPS2ASM and improved S&K Driver
Converting songs and SFX has never been easier
flamewing 
  • 40 Replies
  • 10724 Views
Saxman's Sonic Boom engine
Throw out your S2 disassemblies. Try this instead.
saxman 
  • 74 Replies
  • 17155 Views
Sonic X-treme Modding !
Now that you've got the 037 leak, Lets Have some fun!
Andrew75 
  • 0 Replies
  • 1011 Views
Big's Fishing Derby
ビッグの 釣りダービー
flamewing 
  • 21 Replies
  • 3689 Views
Sonic 3 Resort Island
Because even heroes need a holiday
UtopiaUK 
  • 32 Replies
  • 16503 Views
SADX/SA1 Hacking/Modding
Now with more research and development!
MainMemory 
  • 2169 Replies
  • 401019 Views
[S1] Considerably speeding up level loading
Gotta go fast, right?
Green Snake 
  • 14 Replies
  • 2505 Views
Sonic 3 Complete
S&K Collection on MD, with fixes, Sonic 3 music and many options.
Tiddles 
  • 1593 Replies
  • 399945 Views
SADX PC '04 XInput
v1.3, 2/12/2015
Morph 
  • 10 Replies
  • 2243 Views
Strange fix to test out
I want to see if it's just me
Clownacy 
  • 4 Replies
  • 1851 Views
Sonic Classic Heroes
Rise of the Chaotix (sorry, Mighty) - v0.10.008a out
flamewing 
  • 1514 Replies
  • 412405 Views
Optimizing the DMA queue
Now with S2 Special Stage bugfix
flamewing 
  • 25 Replies
  • 4322 Views
GSXPwn snkenjoi 
  • 0 Replies
  • 696 Views
Sally in Sonic 1! E-122-Psi 
  • 156 Replies
  • 49508 Views
Sonic Lost World (Wii U) Hacking & Resources - Tools are public
The child of Colors and the Hedgehog Engine
Dario FF 
  • 59 Replies
  • 15047 Views
SoniPlane
Sega Genesis/MegaDrive plane editor (beta 1.0.3)
Green Snake 
  • 23 Replies
  • 5401 Views
Sonic 1 Color Contrast
Beta 4.3
TheInvisibleSun 
  • 95 Replies
  • 26130 Views
How to improve PCM playback quality with Sonic 2's sound driver Clownacy 
  • 3 Replies
  • 1068 Views
Sonic 3 Cz v2.0
Launch Base unglitched!
Hayate 
  • 41 Replies
  • 15489 Views
Sally In Sonic 2
"Where were you when the brains were handed out?"
E-122-Psi 
  • 38 Replies
  • 12848 Views
Sonic Boom: Rise of Lyric File Formats NeKit 
  • 1 Reply
  • 1871 Views
Need help ripping sound effects from the DC version of SA2 IndyTheGreat 
  • 4 Replies
  • 1344 Views
Sonic Heroes something MainMemory 
  • 44 Replies
  • 15068 Views
Dragon Crystal (SMS) Disassembly and Exploration
Yay Sega roguelikes
trykaar 
  • 12 Replies
  • 3026 Views
Sonic Adventure: Beta Chao Garden Restoration Vertrex 
  • 6 Replies
  • 2329 Views
Sonic Adventure 2: Battle Network
Online Multiplayer for Sonic Adventure 2 PC! (v3.0, 11/29/2014)
Morph 
  • 41 Replies
  • 25195 Views
Some changes and fixes for Sonic 2 Esrael 
  • 140 Replies
  • 29356 Views
[Tutorial] How to interactively add objects to SA2 levels flarn2006 
  • 2 Replies
  • 864 Views
Shadow the Hedgehog general hacking discussion
Formely Shadow the Hedgehog test level found
ashthedragon 
  • 101 Replies
  • 39805 Views
How to fix speed issues in Sonic 2
A step-by-step guide
redhotsonic 
  • 12 Replies
  • 3381 Views
Sonic Advance Hacking
Just a general Sonic Advance hacking thread.
Demonic722 
  • 26 Replies
  • 4743 Views
Saturn Homebrew 101
how do?
Lostgame 
  • 0 Replies
  • 742 Views
How to extend the sound ID range in Sonic 2's sound driver
(properly)
Clownacy 
  • 0 Replies
  • 593 Views
Portal Gun in Sonic 2 snkenjoi 
  • 13 Replies
  • 5021 Views
Sonic Hacking Contest 2014 Results Spanner 
  • 26 Replies
  • 6896 Views
Fixed Water in the Chao Gardens (Sonic Adventure DX PC) IndyTheGreat 
  • 8 Replies
  • 3408 Views
Metal Sonic Hyperdrive
Metal Sonic in Sonic 1-3K included
LoneDevil 
  • 18 Replies
  • 5838 Views
Playable Metal Sonic in Sonic CD
Halloween release
LoneDevil 
  • 17 Replies
  • 4688 Views
Static Splash Screen Guide Hitaxas 
  • 3 Replies
  • 1549 Views
Sonic 1 "Mega PCM" driver
A new DAC driver for Sonic 1, version 1.1 is out!
vladikcomper 
  • 46 Replies
  • 21320 Views
SMPS in Sonic & Knuckles Collection
New 9/23: Separate Super music and custom songs
MainMemory 
  • 21 Replies
  • 6549 Views
Esrael Neto Assembler Editor v0.10 Esrael 
  • 13 Replies
  • 2289 Views
Porting any Sonic Megadrive game to SNES
I'm just curious if it's possible
Hez 
  • 53 Replies
  • 10030 Views
Sonic - Into The Void
About my hack
Blueblur93 
  • 68 Replies
  • 13397 Views
Sonic The Hedgehog 1 for Sega/Mega-CD
UPDATE: 12/05/2013
HCKTROX 
  • 21 Replies
  • 9023 Views
Aspect Edit Help
Editing Sonic 2 Master System
EsseOuriço 
  • 7 Replies
  • 1269 Views
The Chaos Layer (Alpha) MarkeyJester 
  • 18 Replies
  • 4158 Views
Some changes/fixes for Sonic 1 KingofHarts 
  • 54 Replies
  • 13851 Views
Gens Rerecording / Lua issue
This really scuppers a project of mine, I'd appreciate any insight
Mercury 
  • 20 Replies
  • 2314 Views
Manifest Destiny: Split Disassemblies of Non-Sonic Games
aka Let's Make A Split Disassembly of Pokémon Fire Red!
Quickman 
  • 16 Replies
  • 4460 Views
Sonic Adventure DX: Fixed Edition
Update 7/18/2014
Morph 
  • 99 Replies
  • 86784 Views
I HOG THAT HATE HEDGE!!! MarkeyJester 
  • 31 Replies
  • 7117 Views
Sonic R Hacking
Because somebody should.
MainMemory 
  • 166 Replies
  • 52125 Views
[S1] How to add extra characters
Because I havent seen a full guide on this before
Green Snake 
  • 1 Reply
  • 1287 Views
Sonic Advance 1 Android Port Decompile
Any use for this?
evilhamwizard 
  • 42 Replies
  • 10455 Views
Sonic 2 Retro Remix
Current Version: SAGE 2011
Thorn 
  • 603 Replies
  • 150958 Views
Trash please ArtmeierCompanies 
  • 0 Replies
  • 713 Views
Sonic Megamix Stealth 
  • 369 Replies
  • 120176 Views
Music Oddity with Sonic 3D Blast PC RGamer2009 
  • 5 Replies
  • 1480 Views
Update: How to port S3K Priority Manager into S2
Let's speed up your hack! (Updated 15/07/2012)
redhotsonic 
  • 43 Replies
  • 7309 Views
MarkeyJester's Sonic 128 - REVAMPED
Now available on GitHub
KingofHarts 
  • 21 Replies
  • 6366 Views
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