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Engineering & Reverse Engineering(Mark this forum as read)
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Sonic Adventure 2: Battle Network
Online Multiplayer for Sonic Adventure 2 PC! (v3.2, 04/30/2016)
Morph 
  • 55 Replies
  • 78592 Views
MD Music Player
(+ scriptable SMPS2ASM)
Natsumi 
  • 4 Replies
  • 4320 Views
Sonic 2 SMTP rom for MD? GRUSS 
  • 7 Replies
  • 2416 Views
Unlimited Trees' Sonic 1 (EARLY Christmas Demo)
An early build, and an early release. Lel.
HorriblePerson 
  • 8 Replies
  • 4507 Views
Porting Music to Sonic 1; What causes the Sega sound?
Bad bytes in DAC set it off, but which ones?
WatuD2 
  • 6 Replies
  • 2742 Views
Sally In Sonic 2
"Where were you when the brains were handed out?"
E-122-Psi 
  • 42 Replies
  • 24563 Views
Sonic 3 And Sally Acorn
"NICOLE, laser!"
E-122-Psi 
  • 24 Replies
  • 14032 Views
HQ/Genesis SFX for Sonic & Knuckles Collection
Higher quality sounds ripped from Genesis
TheArcadeStriker 
  • 1 Reply
  • 2847 Views
Tails Adventure LX (Final Version)
Finished Hack
lordxernom 
  • 8 Replies
  • 5619 Views
Sonic: Secret of Mobius
My first ever Sonic hack
Mr Hooman 
  • 4 Replies
  • 2621 Views
SonicGMI (Sonic Generations Mod Installer) v1.1 RC6
Configure your mods easily with some clicks! Now with new Renderer
Dario FF 
  • 73 Replies
  • 429049 Views
Sonic the Hedgehog (NES) Improvement Black Squirrel 
  • 16 Replies
  • 8916 Views
3 years ago, I sent TmEE a game gear to mod...
and now it's finally complete!
Cooljerk 
  • 5 Replies
  • 3554 Views
Sonic The Hedgehog: Border Patrol Edition Super Egg 
  • 42 Replies
  • 10774 Views
Sonic Advance Android Disassembly EliGamerX 
  • 15 Replies
  • 5898 Views
Sonic The Hedgehog: Badnik Factory Madness
Now recruiting!!!
EliGamerX 
  • 3 Replies
  • 2293 Views
Sonic 2 - The Lost Worlds MathUser 
  • 2 Replies
  • 2171 Views
Sonic Hacking Contest 2016: THE RESULTS
We're all glad this is over...until 2017.
Spanner 
  • 38 Replies
  • 12784 Views
Sonic Hacking Contest 2016
It's Happening Again
Spanner 
  • 73 Replies
  • 30467 Views
Sonic Pocket Winter ValleyBell 
  • 2 Replies
  • 2819 Views
Sonic 1 - Warped World
Coming to SHC 2016!!
A-S-H 
  • 7 Replies
  • 4343 Views
Sonic 4 in 1
Not to be confused with "Sonic the Hedgehog 4: Episode 1"
Natsumi 
  • 3 Replies
  • 5770 Views
Totino Challenge
a crappy homebrew project
Natsumi 
  • 3 Replies
  • 1934 Views
Sonic 3&K special stage RAM Address RelativityStoopid 
  • 3 Replies
  • 1770 Views
Twizzler Compression MarkeyJester 
  • 16 Replies
  • 4808 Views
S2 Nick Arcade's unknown compression is used in Kid Chameleon
STI standard compression?
Clownacy 
  • 5 Replies
  • 2717 Views
SonicGLvl v0.9 - Now on GitHub
NOT FOR REGULAR USE - EXPERIMENTAL BRANCH
Dario FF 
  • 23 Replies
  • 34525 Views
Sonic 2 Clone Driver v2
v2.7 | and other SMPS-related ramblings
Clownacy 
  • 103 Replies
  • 42584 Views
Sonic Bash! v2 announcement!
Release date: 15th October 2016 (v1 is available to download)
redhotsonic 
  • 17 Replies
  • 9849 Views
Donnie The Hedgehog
A hack in celebration of SSF1991's Birthday.
CaveQuest 
  • 3 Replies
  • 3804 Views
Pepsi in Sonic 1 Thread
Coming to SAGE 2016 and the Sonic Hacking Contest!
HorriblePerson 
  • 8 Replies
  • 7777 Views
Converting Sonic 2 Title Cards to an act-sensitive edition
I'll start with this, but I expect to extend it to the entire game
silent.creature 
  • 0 Replies
  • 1511 Views
Untitled Sonic 1 Hack
Better than before
jubbalub 
  • 19 Replies
  • 7607 Views
Bunnie In Sonic 1
'Evil as a one eyed snake, sugar.'
E-122-Psi 
  • 38 Replies
  • 19318 Views
Has anyone been able to make Blue Knux selectable in 2P in S3/S3&K Colton 
  • 5 Replies
  • 2345 Views
Problem with Bobesh8's Sonic 1 SegaCD remake
Reading the emulator's manual did not help
Trinitronity 
  • 19 Replies
  • 5386 Views
S1 Restored Demo TheLastWhiteFlame 
  • 10 Replies
  • 5095 Views
Big's Fishing Derby
(ビッグの 釣りダービー) Now on revision $21a.
flamewing 
  • 75 Replies
  • 29969 Views
Some changes/fixes for Sonic 1 KingofHarts 
  • 97 Replies
  • 33374 Views
Jet Set Radio: Fixing random crashes
bad port is suffering
mogo 
  • 0 Replies
  • 1418 Views
Sonic 3: D.A. Garden Edition
Initial Release
D.A. Garden 
  • 63 Replies
  • 21443 Views
Doctor Robotnik's Plan B (UPDATE)
Time for a change of pace! - REV01 released
Painto maniak 
  • 12 Replies
  • 5345 Views
Attachments The S Factor: Sonia and Silver
UPDATE: Currently discussing character balance
Aquaslash 
  • 691 Replies
  • 328465 Views
Sonic Jam unused objects
just a few things
evilhamwizard 
  • 3 Replies
  • 2338 Views
What is the benefit of twiddling dreamcast textures?
As in, how does twiddling work?
Cooljerk 
  • 9 Replies
  • 2437 Views
Knuckles Chaotix Level Maps? Mikronaut 
  • 24 Replies
  • 7665 Views
Mobius Evolution Felik 
  • 63 Replies
  • 29970 Views
RSDK Unpacker Glitch 
  • 46 Replies
  • 30855 Views
Yeth
Release 3 + manual out
Banoon 
  • 69 Replies
  • 29755 Views
Jmp to label in a seperate asm file . cokyen 
  • 17 Replies
  • 3496 Views
Control Port VDP cokyen 
  • 7 Replies
  • 1492 Views
How does this code assemble - further question on last post
Directives forward referencing
cokyen 
  • 5 Replies
  • 1486 Views
Sonic 2 Bugfix Disasm redquebec 
  • 20 Replies
  • 3961 Views
Accessing Shadow the Hedgehog files CommandanteStreakTH 
  • 33 Replies
  • 8336 Views
The top Mega Drive Sonic mods
For a feature in Retro Gamer
NiktheGreek 
  • 33 Replies
  • 10046 Views
Sonic 4 genesis
A redoing on Sonic 4
AngelKOR 
  • 3 Replies
  • 2933 Views
Sonic Adventure DC Texture Hacking Kurausukun 
  • 3 Replies
  • 1970 Views
Let's hack Super Monkey Ball!
READY? GO!
Yoshimaster96 
  • 8 Replies
  • 4798 Views
S3K Save Questions
I'd LIKE THOSE 5 EMERALDS ON ICECAP TO TRANSFER PLS
Shalpp 
  • 3 Replies
  • 1524 Views
Sonic ERaZor – Fulfilled Edition
Sixth Public Release — 05/10/2016
Selbi 
  • 156 Replies
  • 64490 Views
Sonic Sounds Ripping Project
Because every attempt to date sucks. Update: Sonic Spinball rips added
Mr Lange 
  • 25 Replies
  • 30773 Views
Amy In Sonic 2
"I'll destroy all of you!"
E-122-Psi 
  • 233 Replies
  • 112375 Views
file-5.28 release, and request for more unsupported files GerbilSoft 
  • 1 Reply
  • 1326 Views
Sonic Colors 60fps hack (NTSC/PAL)
Dolphin required
evilhamwizard 
  • 14 Replies
  • 11655 Views
Long Forgotten Sonic Heroes Tech
Look what I found
princeofknaves 
  • 43 Replies
  • 24075 Views
Retro Graphics Toolkit sega16 
  • 8 Replies
  • 5663 Views
Attention - someone is uploading hacks onto a page to get money from i
I think this is necessary for us to avoid getting into trouble.
Abyssal Leopard 
  • 17 Replies
  • 6180 Views
Ristar continue times kcowolf 
  • 0 Replies
  • 1248 Views
Sonic 2 Blasted
aka. Sonic 2D Blast: Westside Island; EHZ demo & progress
Painto maniak 
  • 10 Replies
  • 5705 Views
Sonic 2 Retro Remix
Current Version: May 2016 Steam Release
Thorn 
  • 610 Replies
  • 190916 Views
How to change sprites?? Gametoons 
  • 5 Replies
  • 2145 Views
Is there any way of disabling Super Sonic in Sonic 2?
preferably the Sonic 1 and 2 hack
ReL0aDed 
  • 3 Replies
  • 1581 Views
Tales: Tails Adventures Level Editor Suite
Current release: r8
SupperTails66 
  • 54 Replies
  • 13296 Views
Captain PlaneEd
He's our hero | v1.0.1
Clownacy 
  • 5 Replies
  • 2784 Views
UROM
An inFORMATive format
Top-Hatt 
  • 1 Reply
  • 1662 Views
Advanced Error Handler for your hacks and homebrew
Just a few easy steps before effective debugging~
vladikcomper 
  • 1 Reply
  • 1939 Views
Sonic 4. Polygon Jim 
  • 295 Replies
  • 121381 Views
Is anyone still interested in Heroes?
Info on level editing
igorseabra4 
  • 13 Replies
  • 3934 Views
Sonic 3 Resort Island
Hacking Contest Demo OUT NOW!!!!
UtopiaUK 
  • 59 Replies
  • 46226 Views
Those Sonic X-treme level files...
'normal' model format?
Lostgame 
  • 3 Replies
  • 2309 Views
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