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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 
  • 5996 Replies
  • 912559 Views
Pinned   Random Hack/Mini Project Thread Malevolence 
  • 721 Replies
  • 297097 Views
Pinned   Attachments General Project Screenshot/Video Thread Tweaker 
  • 4651 Replies
  • 1187363 Views
Pinned   SonLVL
Level Editor for S1, SCD, S2NA, S2, S3K, SKC, SCDPC - 11/15/2016
MainMemory 
  • 662 Replies
  • 140348 Views
Pinned   Who Can Test On Hardware? Quickman 
  • 90 Replies
  • 42428 Views
Pinned   [Tutorial] How To Be a Good Beta Tester Natsumi 
  • 16 Replies
  • 7870 Views
Pinned   Attachments THE SonED2 thread
2009-05-26 quickfix
Stealth 
  • 213 Replies
  • 76897 Views
Pinned   Sonic Retro on GitHub
Who? What? When? Where? Why?
MainMemory 
  • 43 Replies
  • 17999 Views
Pinned   So, you want to start hacking Sonic?
PART 1: Newbie starting guide.
Jayextee 
  • 43 Replies
  • 77974 Views
  Forum Topics
Sonic Forces (PC/PS4/XB1/Switch) Hacking & Resources Dario FF 
  • 127 Replies
  • 42565 Views
Sonic Adventure 2 Hacking
Now a general SA2 Hax thread
Turbohog 
  • 971 Replies
  • 474984 Views
Various bugfixes for the Sonic 1 sound driver ValleyBell 
  • 4 Replies
  • 2964 Views
Sonic Crystal Island (S2 8-bit hack)
A WIP fully-fledged Sonic 2 SMS hack
Mr. Cat 
  • 5 Replies
  • 507 Views
SADX/SA1 Hacking/Modding
Now with more research and development!
MainMemory 
  • 2715 Replies
  • 693592 Views
How to translate basic 68k assembly to c++ code Chris Pancake 
  • 7 Replies
  • 1104 Views
Building a few USB Megadrive Devkits...
offering one at cost to someone who could use it
Cooljerk 
  • 0 Replies
  • 236 Views
Sonic Adventure PC High(er) Resolution Textures project
Higher-res texture pack for SA1 PC
Sonikko 
  • 36 Replies
  • 5830 Views
Sonic Generations Hacking (and More!)
Generations Cracked wide open (Custom Levels are an ongoing event!
Andrew75 
  • 4800 Replies
  • 1999533 Views
Sonic Mania: Hacking Discussion
Will update when news comes out
Chimera 
  • 607 Replies
  • 179108 Views
Sonic CD in SMS
What Sonic CD could have looked like in 8 bit.
chacanger 
  • 52 Replies
  • 18683 Views
Developing a new engine HCKTROX 
  • 2 Replies
  • 1049 Views
Mania Mod Loader
It loads mods, for Mania. Update: now with custom code support.
MainMemory 
  • 114 Replies
  • 91220 Views
Sonic R Hacking
Because somebody should.
MainMemory 
  • 262 Replies
  • 103057 Views
How the Drop Dash works in Mania
So you can properly implement it in your hacks/fangames.
MainMemory 
  • 7 Replies
  • 3049 Views
Optimized KosDec and NemDec, considerably faster decompression
UPDATE: New improved Kosinski and Nemesis compressors by flamewing
vladikcomper 
  • 44 Replies
  • 14812 Views
Dreamcast mods for SADX
DC Branding, textures, level ports, lighting research, etc.
TheArcadeStriker 
  • 223 Replies
  • 79315 Views
Sonic Riders PC Hacking Info
so it's not just sitting on my hard drive being useless
MainMemory 
  • 1 Reply
  • 3482 Views
I wanna know how to hack Sonic Advance's trilogy Jay Cartney 
  • 14 Replies
  • 1614 Views
Sonic Heroes Hacking/Modding
I promise it's the last one
igorseabra4 
  • 18 Replies
  • 6551 Views
Does Jazz Jackrabbit in Sonic anything exist?
Just a quick question
Zeoinx 
  • 2 Replies
  • 742 Views
Sonic 3 Complete
S&K Collection on MD, with fixes, Sonic 3 music and many options.
Tiddles 
  • 1835 Replies
  • 619605 Views
Sonic Hacking Contest 2017 RESULTS
Find out who won some trophies here!
Spanner 
  • 28 Replies
  • 4031 Views
Sonic Battle Hacking
Sonic Battle Hack Suite
Phase 
  • 19 Replies
  • 14527 Views
Sonic R Updater
A standalone updater for the 1998 Sonic R PC port
CheatFreak 
  • 19 Replies
  • 3861 Views
Mr. Cat's 16 day challenge HCKTROX 
  • 6 Replies
  • 2643 Views
Sonic Redux
The first substansial Sonic R hack!
InvisibleUp 
  • 6 Replies
  • 1956 Views
Sonic 1: Colors Edition
SHC2017 Demo - Now with less crashing
Campbellsonic 
  • 7 Replies
  • 2427 Views
Sonic's Fun and Easy Adventure
a.k.a Me being an asshole for lulz
Ralakimus 
  • 9 Replies
  • 1309 Views
Metal Sonic Rebooted
Kept you waiting, huh?
LoneDevil 
  • 13 Replies
  • 3717 Views
Sonic 2 for PC & New 3DS... & Wii
Celebrating the future (and the other 25th anniversary I guess)
Clownacy 
  • 2 Replies
  • 1653 Views
Shadow the Hedgehog general hacking discussion
Formely Shadow the Hedgehog test level found
ashthedragon 
  • 105 Replies
  • 69532 Views
Sonic 2 Fine2uned
Celebrating the past (and the 25th anniversary I guess)
Clownacy 
  • 11 Replies
  • 1850 Views
Sonic Hacking Contest 2017 NOW LIVE
http://sonichacking.org
Spanner 
  • 87 Replies
  • 33896 Views
Egg Factory ReMastered
second release
HCKTROX 
  • 1 Reply
  • 897 Views
Pantufa the Cat : Extended Edition
Yes, even the Extended part was meant as a joke
VAdaPEGA 
  • 16 Replies
  • 9607 Views
Sonic 3D Director's Cut EnderWaffle 
  • 2 Replies
  • 1030 Views
Flex 2
megadrive mapping manipulator
snkenjoi 
  • 1 Reply
  • 734 Views
Maniac Editor - Sonic Mania Scene Editor EyeKey 
  • 18 Replies
  • 11341 Views
Super Sonic & Hyper Sonic in Sonic 1
v1.2
Clownacy 
  • 24 Replies
  • 46567 Views
Sonic 3 Chaos Adventure Demo Release! Jdpense 
  • 0 Replies
  • 754 Views
Sonic Jam animations preview. MarmitaTH 
  • 5 Replies
  • 1026 Views
Sonic 1 SMS Solidity Data
Information on how solidity data works in the game.
chacanger 
  • 3 Replies
  • 736 Views
SADX Lantern Engine
Dreamcast lighting for SADX PC! (v1.4, 09/24/17)
Morph 
  • 97 Replies
  • 43415 Views
(Discovery) Unused Sonic 1 Credits BGM Bar
Plus some other unused sound stuff
evilhamwizard 
  • 16 Replies
  • 4582 Views
OPM/OPN Patch Stockpile
Cause variety in instrument selection is never a bad thing amirite?
Shalpp 
  • 2 Replies
  • 708 Views
How to get started on ROM hacking? HTV04 
  • 10 Replies
  • 1360 Views
Sonic Mania Original Stage Mod: Aurora Garden AeroArtwork 
  • 10 Replies
  • 4048 Views
Any research on the SA2 "Download Event" format? flarn2006 
  • 7 Replies
  • 1743 Views
A Generic Sonic 1 ROMhack CHRdutch 
  • 3 Replies
  • 2753 Views
Sega Saturn interesting finds Sonicstudium 
  • 103 Replies
  • 33886 Views
SADX Input Mod - Fixed XInput & DInput!
v2.0.1, 10/20/17
Morph 
  • 31 Replies
  • 27248 Views
Tails Adventure X-L Hack lordxernom 
  • 1 Reply
  • 1441 Views
Sonic Classic Heroes
Rise of the Chaotix (sorry, Mighty) - v0.10.008a out
flamewing 
  • 2201 Replies
  • 666531 Views
Help with Shadow The Hedgehog (2005) PCSX2 hacking and insights
Trying to spawn super shadow in normal levels
SaadMusejee 
  • 0 Replies
  • 816 Views
Sonic: Scorched Quest (AKA Burned Edition)
SHC2016 pre-3.0 release
Painto maniak 
  • 42 Replies
  • 26532 Views
3D blast assets? Andrew75 
  • 42 Replies
  • 12073 Views
[Tutorials] Sonic Mania Modding For Dummies
Come here to learn the basics of Sonic Mania modding!
AeroArtwork 
  • 5 Replies
  • 1796 Views
Yet another generic ROM hack
Not an SCHG entry.
GreggSalt 
  • 1 Reply
  • 665 Views
Sonic Xtreme Saturn 718 Hacking and Modding
By DaGuAr And Andrew75
Andrew75 
  • 18 Replies
  • 4667 Views
Sonic the Hedgehog 4 (Four) ripping
Because somebody had to eventually.
Laughingcow 
  • 0 Replies
  • 1174 Views
Need help ripping Sonic Generations Animations into blender
Extracting data from a several year old game...
lil-g-gamegenuis 
  • 13 Replies
  • 2000 Views
Some changes and fixes for Sonic 2 Esrael 
  • 225 Replies
  • 76941 Views
How to change spritework in a level (SonLVL Assailant 
  • 1 Reply
  • 710 Views
A question
Are these allowed outside of Basic Questions and Answers?
GreggSalt 
  • 7 Replies
  • 1121 Views
Mania SMPS Mod
It plays SMPS music in Sonic Mania.
MainMemory 
  • 9 Replies
  • 2190 Views
Sonic Adventure DX: Fixed Edition
1.0.1, mod loader! 5/13/2017
Morph 
  • 151 Replies
  • 167754 Views
SA2/SADX Mod Loader
I am the best at names
MainMemory 
  • 219 Replies
  • 107336 Views
Sonic Mania: Ultimate Cheat Table
A Cheat Table to help with exploration and modification of Sonic Mania
codenamegamma 
  • 20 Replies
  • 7476 Views
Knuckles' Emerald Hunt
The Great Emerald's power allows him to feel
MainMemory 
  • 36 Replies
  • 15523 Views
Sega PC Reloaded
Four old games, working still/again
Korama 
  • 80 Replies
  • 58385 Views
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