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Engineering & Reverse Engineering(Mark this forum as read)
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  Important Topics
Pinned   Attachments General Project Screenshot/Video Thread Tweaker 
  • 4614 Replies
  • 1127270 Views
Pinned   SonLVL
Level Editor for S1, SCD, S2NA, S2, S3K, SKC, SCDPC - 11/15/2016
MainMemory 
  • 654 Replies
  • 130282 Views
Pinned   Attachments Basic Questions & Answers thread
NEWBIES: Start here!
Tweaker 
  • 5901 Replies
  • 836853 Views
Pinned   Who Can Test On Hardware? Quickman 
  • 87 Replies
  • 38341 Views
Pinned   Sonic Hacking Contest 2017
Quality not Quantity
Spanner 
  • 42 Replies
  • 14041 Views
Pinned   Random Hack/Mini Project Thread Malevolence 
  • 711 Replies
  • 277549 Views
Pinned   [Tutorial] How To Be a Good Beta Tester Natsumi 
  • 16 Replies
  • 6127 Views
Pinned   Attachments THE SonED2 thread
2009-05-26 quickfix
Stealth 
  • 213 Replies
  • 72943 Views
Pinned   Sega Homebrew Competition 2015 NOW LIVE Super Egg 
  • 23 Replies
  • 12954 Views
Pinned   Sonic Retro on GitHub
Who? What? When? Where? Why?
MainMemory 
  • 43 Replies
  • 15739 Views
Pinned   So, you want to start hacking Sonic?
PART 1: Newbie starting guide.
Jayextee 
  • 43 Replies
  • 69627 Views
  Forum Topics
SegaCD - Using solid state in place of volatle storage? Cyber Akuma 
  • 8 Replies
  • 1179 Views
Sonic Classic Heroes
Rise of the Chaotix (sorry, Mighty) - v0.10.008a out
flamewing 
  • 2173 Replies
  • 625453 Views
Sonic 3 Complete
S&K Collection on MD, with fixes, Sonic 3 music and many options.
Tiddles 
  • 1789 Replies
  • 579934 Views
Dreamcast mods for SADX
DC Branding, textures, level ports, lighting research, etc.
TheArcadeStriker 
  • 187 Replies
  • 62285 Views
SADX Lantern Engine
Dreamcast lighting for SADX PC! (v1.3, 08/13/17)
Morph 
  • 72 Replies
  • 27562 Views
Shadow the Hedgehog general hacking discussion
Formely Shadow the Hedgehog test level found
ashthedragon 
  • 103 Replies
  • 62022 Views
Sonic 1 Color Contrast
Beta 5.95
TheInvisibleSun 
  • 100 Replies
  • 37219 Views
SADX Dreamcast Characters Pack
Bringing back the DC Characters (v1.0, 8/142017)
darkspines35 
  • 8 Replies
  • 853 Views
Sonic CD in SMS
What Sonic CD could have looked like in 8 bit.
chacanger 
  • 37 Replies
  • 9749 Views
SADX/SA1 Hacking/Modding
Now with more research and development!
MainMemory 
  • 2593 Replies
  • 623462 Views
Random Levels Project
v0.1.1
DigitalDuck 
  • 48 Replies
  • 11384 Views
A new, currently unnamed Sonic 1 Hack Mr Hooman 
  • 0 Replies
  • 299 Views
Adding a CD-style level restart to Sonic 1 luluco 
  • 3 Replies
  • 549 Views
Sega PC Reloaded
Four old games, working still/again
Korama 
  • 79 Replies
  • 48316 Views
Sonic 1 Limbo Demo Hack
Download Available
lordxernom 
  • 8 Replies
  • 1637 Views
Editing Sonic 1's SEGA sound? ALittleTooFast 
  • 7 Replies
  • 772 Views
Adding Double Jump to Sonic 1? ALittleTooFast 
  • 8 Replies
  • 655 Views
Spin Dash Sound Help ALittleTooFast 
  • 5 Replies
  • 394 Views
Pantufa the Cat : Extended Edition
Yes, even the Extended part was meant as a joke
VAdaPEGA 
  • 15 Replies
  • 6525 Views
New Crackers Sprites Found
in Yuu Yuu Hakusho: Makyou Toitsusen
Vangar 
  • 33 Replies
  • 5110 Views
Sonic Lost World: Chip Lost World
No really! YUM!
ccateni 
  • 4 Replies
  • 2135 Views
S3SSEdit
Release 3 7/6/2017
MainMemory 
  • 12 Replies
  • 2698 Views
Sonic Fighters Hacking Andrew75 
  • 48 Replies
  • 23933 Views
S1SSEdit
Like S3SSEdit, but for S1.
MainMemory 
  • 1 Reply
  • 735 Views
Sonic Generations Voice Mod Help TheSillyMoose 
  • 0 Replies
  • 344 Views
Sonic 2: Zen Island
An in-progress hack of Sonic 2 SMS
Yoshister 
  • 10 Replies
  • 3860 Views
SA2/SADX Mod Loader
I am the best at names
MainMemory 
  • 213 Replies
  • 96701 Views
*** HACK DETECTION ***
a ROM hack checker
GerbilSoft 
  • 0 Replies
  • 1024 Views
Sonic Adventure 2 Hacking
Now a general SA2 Hax thread
Turbohog 
  • 929 Replies
  • 439891 Views
Sonic Heroes Hacking/Modding
I promise it's the last one
igorseabra4 
  • 4 Replies
  • 2222 Views
Sonic X-treme def file Modding !
Now that you've got the 037 leak, Lets Have some fun!
Andrew75 
  • 4 Replies
  • 6854 Views
ASM68K.EXE debug symbol file format BigEvilCorporation 
  • 0 Replies
  • 493 Views
Sonic Xtreme Saturn 718 Hacking and Modding
By DaGuAr And Andrew75
Andrew75 
  • 13 Replies
  • 2139 Views
Tails Adventure LX Update (Major Bug Fixes)
Downloadable
lordxernom 
  • 0 Replies
  • 662 Views
Sonic Lost World (PC / Wii U) Hacking & Resources
The child of Colors and the Hedgehog Engine
Dario FF 
  • 428 Replies
  • 140049 Views
Sonic 1 Physics Abuse
Download Link
lordxernom 
  • 0 Replies
  • 950 Views
3D Sonic the Hedgehog (1 & 2) for the 3DS Hacking and Discussion Ralakimus 
  • 5 Replies
  • 1972 Views
S3K/S&KC Random Special Stages
Dual release for MD and PC!
MainMemory 
  • 16 Replies
  • 1951 Views
Need a bit of advise for sprite hacking
Anyone that is good at it
EaselAbs 
  • 4 Replies
  • 789 Views
Some changes and fixes for Sonic 2 Esrael 
  • 221 Replies
  • 69435 Views
Sonic 3 Hacking
Because Non-Tech Members CAN'T avoid this game forever.
KingofHarts 
  • 30 Replies
  • 19790 Views
Trisphere
Yep, Its another S3 SS Editor...
Tribeam 
  • 0 Replies
  • 892 Views
Unused/Leftover Level Maps in Sonic 2NA
and other data
evilhamwizard 
  • 1 Reply
  • 1194 Views
Open source initiative Sodaholic 
  • 15 Replies
  • 2284 Views
Sonic Easy Mode
Sonic the hedgehog for beginners or young children
DannyBoi 
  • 3 Replies
  • 2272 Views
Sonic Adventure DX: Fixed Edition
1.0.1, mod loader! 5/13/2017
Morph 
  • 147 Replies
  • 154466 Views
Sonic 3 & Windows DEMO 1 Release
Download Available
lordxernom 
  • 11 Replies
  • 4038 Views
Sonic 3 & Babylon Rogues
& Knuckles
VMordecai 
  • 8 Replies
  • 4164 Views
Master System Checksum Fixer Dandaman 
  • 3 Replies
  • 1171 Views
Sonic Generations Hacking (and More!)
Generations Cracked wide open (Custom Levels are an ongoing event!
Andrew75 
  • 4799 Replies
  • 1937392 Views
Knuckles' Emerald Hunt
The Great Emerald's power allows him to feel
MainMemory 
  • 33 Replies
  • 12243 Views
Code Data Logger analysis
for finding inaccessible data
evilhamwizard 
  • 0 Replies
  • 926 Views
Dual PCM MarkeyJester 
  • 15 Replies
  • 4737 Views
Poll   Sonic 2 Recreation - Part One
Available NOW!
redhotsonic 
  • 138 Replies
  • 54634 Views
68k instruction fix for IDA Pro
Now it actually works in 6.8+!
kazblox 
  • 4 Replies
  • 3450 Views
Sonic Generations - Unleashed Project v1.0 Available
Sonic Unleashed stages in Sonic Generations PC, at 60 FPS
Dario FF 
  • 344 Replies
  • 89308 Views
Hog From the Past
A retrospective look at all my hacks
Selbi 
  • 27 Replies
  • 8314 Views
FW-KENSC Windows Shell Extension Clownacy 
  • 19 Replies
  • 3871 Views
Sonic R Hacking
Because somebody should.
MainMemory 
  • 203 Replies
  • 81653 Views
Sonic Crackers Text Tool
A tiny Python-based tool for editing game text.
Ldziat 
  • 1 Reply
  • 1275 Views
Sonic the Hedgehog Extended Edition
.. oh shit..
Cinossu 
  • 19 Replies
  • 8441 Views
Exporting Level Images from Genesis/SegaCD fangames?
Because I love level design
James K 
  • 2 Replies
  • 1405 Views
Re: Sonic Megamix Stealth 
  • 82 Replies
  • 23232 Views
Sonic Mega Collection/Sonic Gems Collection
Technically Speaking, What Are They?
Kharen 
  • 12 Replies
  • 6411 Views
Sonic Adventure 2: Battle Network
Online Multiplayer for Sonic Adventure 2 PC! (v3.2, 04/30/2016)
Morph 
  • 55 Replies
  • 66278 Views
MD Music Player
(+ scriptable SMPS2ASM)
Natsumi 
  • 4 Replies
  • 3464 Views
Sonic 2 SMTP rom for MD? GRUSS 
  • 7 Replies
  • 1690 Views
Unlimited Trees' Sonic 1 (EARLY Christmas Demo)
An early build, and an early release. Lel.
HorriblePerson 
  • 8 Replies
  • 3242 Views
Porting Music to Sonic 1; What causes the Sega sound?
Bad bytes in DAC set it off, but which ones?
WatuD2 
  • 6 Replies
  • 1895 Views
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