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Engineering & Reverse Engineering(Mark this forum as read)
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Dreamcast mods for SADX
DC Branding, textures, level ports, lighting research, etc.
TheArcadeStriker 
  • 232 Replies
  • 94713 Views
Location Of Sonic Shuffle's Music Files
Their Location Is A Mystery
itsstillthinking 
  • 5 Replies
  • 1408 Views
How to translate basic 68k assembly to basic c code Chris Pancake 
  • 7 Replies
  • 2320 Views
Building a few USB Megadrive Devkits...
offering one at cost to someone who could use it
Cooljerk 
  • 0 Replies
  • 1257 Views
Sonic Adventure PC High(er) Resolution Textures project
Higher-res texture pack for SA1 PC
Sonikko 
  • 36 Replies
  • 11017 Views
Sonic CD in SMS
What Sonic CD could have looked like in 8 bit.
chacanger 
  • 52 Replies
  • 26795 Views
Developing a new engine HCKTROX 
  • 2 Replies
  • 2115 Views
Optimized KosDec and NemDec, considerably faster decompression
UPDATE: New improved Kosinski and Nemesis compressors by flamewing
vladikcomper 
  • 44 Replies
  • 19114 Views
Sonic Riders PC Hacking Info
so it's not just sitting on my hard drive being useless
MainMemory 
  • 1 Reply
  • 4569 Views
Sonic Hacking Contest 2017 RESULTS
Find out who won some trophies here!
Spanner 
  • 28 Replies
  • 7771 Views
Mr. Cat's 16 day challenge HCKTROX 
  • 6 Replies
  • 3806 Views
Sonic 1: Colors Edition
SHC2017 Demo - Now with less crashing
Campbellsonic 
  • 7 Replies
  • 6935 Views
Sonic 2 for PC & New 3DS... & Wii
Celebrating the future (and the other 25th anniversary I guess)
Clownacy 
  • 2 Replies
  • 3013 Views
Sonic 2 Fine2uned
Celebrating the past (and the 25th anniversary I guess)
Clownacy 
  • 11 Replies
  • 3358 Views
Sonic Hacking Contest 2017 NOW LIVE
http://sonichacking.org
Spanner 
  • 87 Replies
  • 41117 Views
Egg Factory ReMastered
second release
HCKTROX 
  • 1 Reply
  • 2197 Views
Sonic 3D Director's Cut EnderWaffle 
  • 2 Replies
  • 2121 Views
Flex 2
megadrive mapping manipulator
snkenjoi 
  • 1 Reply
  • 1873 Views
Maniac Editor - Sonic Mania Scene Editor EyeKey 
  • 18 Replies
  • 17994 Views
Super Sonic & Hyper Sonic in Sonic 1
v1.2
Clownacy 
  • 24 Replies
  • 76840 Views
Sonic 3 Chaos Adventure Demo Release! Jdpense 
  • 0 Replies
  • 2428 Views
Sonic Jam animations preview. MarmitaTH 
  • 5 Replies
  • 1796 Views
SADX Lantern Engine
Dreamcast lighting for SADX PC! (v1.4, 09/24/17)
Morph 
  • 97 Replies
  • 55098 Views
(Discovery) Unused Sonic 1 Credits BGM Bar
Plus some other unused sound stuff
evilhamwizard 
  • 16 Replies
  • 6469 Views
OPM/OPN Patch Stockpile
Cause variety in instrument selection is never a bad thing amirite?
Shalpp 
  • 2 Replies
  • 1119 Views
How to get started on ROM hacking? HTV04 
  • 10 Replies
  • 2123 Views
Sonic Mania Original Stage Mod: Aurora Garden AeroArtwork 
  • 10 Replies
  • 5271 Views
Any research on the SA2 "Download Event" format? flarn2006 
  • 7 Replies
  • 2234 Views
Sega Saturn interesting finds Sonicstudium 
  • 103 Replies
  • 37542 Views
SADX Input Mod - Fixed XInput & DInput!
v2.0.1, 10/20/17
Morph 
  • 31 Replies
  • 32683 Views
Tails Adventure X-L Hack lordxernom 
  • 1 Reply
  • 2091 Views
Help with Shadow The Hedgehog (2005) PCSX2 hacking and insights
Trying to spawn super shadow in normal levels
SaadMusejee 
  • 0 Replies
  • 1316 Views
Sonic: Scorched Quest (AKA Burned Edition)
SHC2016 pre-3.0 release
Painto maniak 
  • 42 Replies
  • 33262 Views
3D blast assets? Andrew75 
  • 42 Replies
  • 14002 Views
[Tutorials] Sonic Mania Modding For Dummies
Come here to learn the basics of Sonic Mania modding!
AeroArtwork 
  • 5 Replies
  • 5391 Views
Yet another generic ROM hack
Not an SCHG entry.
GreggSalt 
  • 1 Reply
  • 931 Views
Sonic the Hedgehog 4 (Four) ripping
Because somebody had to eventually.
Laughingcow 
  • 0 Replies
  • 1671 Views
Need help ripping Sonic Generations Animations into blender
Extracting data from a several year old game...
lil-g-gamegenuis 
  • 13 Replies
  • 4246 Views
Some changes and fixes for Sonic 2 Esrael 
  • 225 Replies
  • 83371 Views
How to change spritework in a level (SonLVL Assailant 
  • 1 Reply
  • 1000 Views
A question
Are these allowed outside of Basic Questions and Answers?
GreggSalt 
  • 7 Replies
  • 1358 Views
Mania SMPS Mod
It plays SMPS music in Sonic Mania.
MainMemory 
  • 9 Replies
  • 2785 Views
Knuckles' Emerald Hunt
The Great Emerald's power allows him to feel
MainMemory 
  • 36 Replies
  • 17186 Views
3D Sonic the Hedgehog (1 & 2) for the 3DS Hacking and Discussion Ralakimus 
  • 6 Replies
  • 3933 Views
I've ported the Sonic Mania CRT shaders to ReShade luluco 
  • 17 Replies
  • 7129 Views
Mania Mod Studio
Create, Load, and Manage Mania Mods
TruePowerofTeamwork 
  • 6 Replies
  • 19975 Views
Sonic Mania Save Editor (Source Code)
Just an another save editor for mania.
JustFedor 
  • 0 Replies
  • 2078 Views
Sonic CD Style Camera in Sonic 2 AmazinglyHopeless 
  • 6 Replies
  • 2642 Views
Is it possible to make characters invincible to elements?
For sonic 3, I was just wondering.
Jakobuniverse 
  • 5 Replies
  • 1282 Views
SpritePiece.asm for AS based disassemblies
Use this for MapMacros support on AS disassemblies
kram1024 
  • 9 Replies
  • 1335 Views
Mega/Gems Collection ROM dumping
Has it been done before?
Truner 
  • 19 Replies
  • 3861 Views
SegaCD - Using solid state in place of volatle storage? Cyber Akuma 
  • 8 Replies
  • 3022 Views
Sonic 1 Color Contrast
Beta 5.95
TheInvisibleSun 
  • 100 Replies
  • 42755 Views
SADX Dreamcast Characters Pack
Bringing back the DC Characters (v1.0, 8/142017)
darkspines35 
  • 8 Replies
  • 4467 Views
Adding a CD-style level restart to Sonic 1 luluco 
  • 3 Replies
  • 1741 Views
Sonic 1 Limbo Demo Hack
Download Available
lordxernom 
  • 8 Replies
  • 3706 Views
Editing Sonic 1's SEGA sound? ALittleTooFast 
  • 7 Replies
  • 2333 Views
Adding Double Jump to Sonic 1? ALittleTooFast 
  • 8 Replies
  • 2099 Views
Spin Dash Sound Help ALittleTooFast 
  • 5 Replies
  • 1262 Views
New Crackers Sprites Found
in Yuu Yuu Hakusho: Makyou Toitsusen
Vangar 
  • 33 Replies
  • 8605 Views
Sonic Lost World: Chip Lost World
No really! YUM!
ccateni 
  • 4 Replies
  • 3329 Views
S3SSEdit
Release 3 7/6/2017
MainMemory 
  • 12 Replies
  • 4488 Views
S1SSEdit
Like S3SSEdit, but for S1.
MainMemory 
  • 1 Reply
  • 1625 Views
Sonic Generations Voice Mod Help TheSillyMoose 
  • 0 Replies
  • 1192 Views
Sonic 2: Zen Island
An in-progress hack of Sonic 2 SMS
Yoshister 
  • 10 Replies
  • 6141 Views
*** HACK DETECTION ***
a ROM hack checker
GerbilSoft 
  • 0 Replies
  • 2275 Views
Sonic X-treme def file Modding !
Now that you've got the 037 leak, Lets Have some fun!
Andrew75 
  • 4 Replies
  • 8619 Views
ASM68K.EXE debug symbol file format BigEvilCorporation 
  • 0 Replies
  • 1295 Views
Tails Adventure LX Update (Major Bug Fixes)
Downloadable
lordxernom 
  • 0 Replies
  • 1508 Views
Sonic Lost World (PC / Wii U) Hacking & Resources
The child of Colors and the Hedgehog Engine
Dario FF 
  • 428 Replies
  • 160708 Views
Sonic 1 Physics Abuse
Download Link
lordxernom 
  • 0 Replies
  • 2052 Views
S3K/S&KC Random Special Stages
Dual release for MD and PC!
MainMemory 
  • 16 Replies
  • 3641 Views
Need a bit of advise for sprite hacking
Anyone that is good at it
EaselAbs 
  • 4 Replies
  • 1544 Views
Trisphere
Yep, Its another S3 SS Editor...
Tribeam 
  • 0 Replies
  • 1620 Views
Unused/Leftover Level Maps in Sonic 2NA
and other data
evilhamwizard 
  • 1 Reply
  • 2071 Views
Open source initiative Sodaholic 
  • 15 Replies
  • 3882 Views
Sonic Easy Mode
Sonic the hedgehog for beginners or young children
DannyBoi 
  • 3 Replies
  • 3397 Views
Sonic 3 & Windows DEMO 1 Release
Download Available
lordxernom 
  • 11 Replies
  • 6286 Views
Sonic 3 & Babylon Rogues
& Knuckles
VMordecai 
  • 8 Replies
  • 5608 Views
Master System Checksum Fixer Dandaman 
  • 3 Replies
  • 1993 Views
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