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Engineering & Reverse Engineering(Mark this forum as read)
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Those Sonic X-treme level files...
'normal' model format?
Lostgame 
  • 3 Replies
  • 1836 Views
Proof of Concept Hack: Hyper Sonic in Sonic 3 Dandaman 
  • 0 Replies
  • 1655 Views
SADX Super Sonic
NEW AND IMPROVED! v1.0
Morph 
  • 6 Replies
  • 6098 Views
Sonic Background Scrolling Screensaver
it's for your computer
MainMemory 
  • 69 Replies
  • 18770 Views
Sonic the Hedgehog - Object Position Fixing
Why is there a rock down here?
D.A. Garden 
  • 9 Replies
  • 2055 Views
CPKREDIR - loading and combining mods for Sonic Generations
New version 0.5, now for Sonic Lost World?
Korama 
  • 89 Replies
  • 39028 Views
Sonic 1: Enigma Credits
Does anyone haz dem fielz?
Shadow Fire 
  • 11 Replies
  • 3882 Views
Memory Map Visualising
Prefered way to visualise a memory map.
RyanfaeScotland 
  • 7 Replies
  • 1891 Views
Problem with SonLVL (Sonic 2 GitHub disassembly)
readme.txt doesn't help
Trinitronity 
  • 22 Replies
  • 2549 Views
Sonic Lost World: Nonexistent Six/Fixed Edition
Think tank/release thread
Dark Sonic 
  • 40 Replies
  • 10342 Views
SMPS2ASM and improved S&K Driver
Converting songs and SFX has never been easier
flamewing 
  • 41 Replies
  • 20476 Views
Hattnet
A project
Top-Hatt 
  • 1 Reply
  • 2029 Views
Sonic Hacking Contest 2015
CONTEST WEEK IS NOW
Spanner 
  • 109 Replies
  • 31997 Views
Sonic Megamix
New style (maybe), new thread
Stealth 
  • 89 Replies
  • 28119 Views
Indexed colour palette Image
does anyone have one of mega drive colours?
Linaru 
  • 20 Replies
  • 4298 Views
Question : Game Gear Remakes?
Just wondering....
Zeoinx 
  • 42 Replies
  • 10967 Views
Poll   Patreon for The Chaos Layer? MarkeyJester 
  • 16 Replies
  • 4901 Views
Sega Rally PC file formats? Catalyst 
  • 0 Replies
  • 935 Views
Looking for art opinions.
I doodle with pixels
Linaru 
  • 9 Replies
  • 2579 Views
Tiles and Things
Questions from a noob
Top-Hatt 
  • 2 Replies
  • 1420 Views
SonicMT.bin
another birthday, another hack
Natsumi 
  • 22 Replies
  • 8469 Views
Sonic 1 The Next Level MarkeyJester 
  • 58 Replies
  • 25424 Views
Gorbichev's Revenge qiuu 
  • 15 Replies
  • 5732 Views
Optimizing the DMA queue
Now on GitHub
flamewing 
  • 29 Replies
  • 13687 Views
Flex (desktop versions now available)
web based tile / mapping / DPLC editor
snkenjoi 
  • 12 Replies
  • 8324 Views
questions about sprites Linaru 
  • 12 Replies
  • 2440 Views
Sonic Hacking Contest 2015 Results Spanner 
  • 36 Replies
  • 7233 Views
CrazySonic (Demo Release)
A very questionable Sonic hack.
Ralakimus 
  • 17 Replies
  • 11101 Views
SMPS in Sonic & Knuckles Collection
New 8/24: 1-up jingle resumes music
MainMemory 
  • 27 Replies
  • 13329 Views
Kirby in Sonic the Hedgehog 1 & 2
A New Way To Play Sanic
LoneDevil 
  • 5 Replies
  • 2394 Views
Hedgehog Abuse Simulator
SHC2015 Concept Demo Release
Selbi 
  • 6 Replies
  • 4779 Views
Sonic 3 & Knuckles: Pro Survivor
Second Demo Release (and the first in Sonic Retro)
NeoFusionBox 
  • 0 Replies
  • 2199 Views
Sonic 2: Return of Shadow/demo and website. JoenickROS 
  • 12 Replies
  • 8004 Views
Portal Gun in Sonic 2 snkenjoi 
  • 14 Replies
  • 15517 Views
Somari the Adventurer (Genesis/Megadrive)
Basically Mario in Sonic 1
LoneDevil 
  • 19 Replies
  • 14263 Views
Dust Hill hack level map? elvisish 
  • 3 Replies
  • 1921 Views
The most complete experience / top hacks?
Opinions and suggestions.
Vangar 
  • 15 Replies
  • 3723 Views
SonicXFreedomPlanet (Now includes a backstory and more stuff.)
Sonic meets Freedom Planet! (New Concept Art!)
Draxirch 
  • 26 Replies
  • 10883 Views
Sonic 1 FM - full source
"full" means everything, I.e. ASM, MIDIs, VGMs, bonus content
ValleyBell 
  • 6 Replies
  • 3483 Views
Might as well jump!
(Go ahead and jump!)
Top-Hatt 
  • 8 Replies
  • 2713 Views
My Sonic 3 cartridge never saved games tokumaru 
  • 4 Replies
  • 1898 Views
Sonic in Spelunky RazoZen 
  • 0 Replies
  • 1854 Views
Is there a Sonic Crackers hardware patch? Phugolz 
  • 2 Replies
  • 1864 Views
Gens MDP Plugins
What? How?
Top-Hatt 
  • 14 Replies
  • 2921 Views
Motorola ASM gems drx 
  • 0 Replies
  • 1272 Views
A neat little Genesis Devkit I saw Top-Hatt 
  • 17 Replies
  • 4232 Views
Sonic 2 Split Disassembly FraGag 
  • 119 Replies
  • 49520 Views
Various bugfixes for the Sonic 1 sound driver ValleyBell 
  • 3 Replies
  • 2572 Views
Optimized KosDec and NemDec, considerably faster decompression
UPDATE: New improved Kosinski and Nemesis compressors by flamewing
vladikcomper 
  • 32 Replies
  • 12579 Views
Sonic 1 Disassembly Hivebrain 
  • 66 Replies
  • 25859 Views
An open question to E-122-Psi
Not a PM for a reason; opinions are welcome
nineko 
  • 28 Replies
  • 5367 Views
Genesis Port/Remake of Modern Sonic games?
Do any exist?
Lodmot 
  • 9 Replies
  • 2777 Views
SA2 Ranks? Chensen 
  • 2 Replies
  • 1034 Views
How to improve the PLC Queue
Who wants RAM/an obscene number of PLRs?
Clownacy 
  • 0 Replies
  • 943 Views
Saxman's Sonic Boom engine
Throw out your S2 disassemblies. Try this instead.
saxman 
  • 76 Replies
  • 30341 Views
Sonic 1 RAM for the RAM newbie? er1c1996 
  • 7 Replies
  • 2483 Views
Dr Robotnik's Mean Bean Machine Hacking Thread E-122-Psi 
  • 13 Replies
  • 4639 Views
Xoreos team working on Sonic Chronicles engine reimplimentation Sofox 
  • 9 Replies
  • 4107 Views
Help with porting S3K's layout format?
MCZ bug I can't seem to shake
Clownacy 
  • 10 Replies
  • 2460 Views
Sonic Heroes Prototype ADX files
I kinda want them
Glisp 
  • 1 Reply
  • 1987 Views
Sonic Runners sound files Azu 
  • 6 Replies
  • 2289 Views
S1-friendly improved Sonic 2 sound driver
April Fools' joke gone too far
Clownacy 
  • 4 Replies
  • 2885 Views
S&KC Mod Loader
Because why not
MainMemory 
  • 2 Replies
  • 1912 Views
Sonic 2 Delta v0.25
Test version
Esrael 
  • 15 Replies
  • 8171 Views
Amy In Sonic 1
"Amy Rose is here!"
E-122-Psi 
  • 261 Replies
  • 68996 Views
S3K to S1 SMPS Converter ValleyBell 
  • 16 Replies
  • 10877 Views
Sonic 2 Special Stage Editor
Windows and Linux; v0.2.0
flamewing 
  • 34 Replies
  • 15426 Views
Sally in Sonic 1! E-122-Psi 
  • 161 Replies
  • 64205 Views
Sonic Advance Hacking
Just a general Sonic Advance hacking thread.
Demonic722 
  • 27 Replies
  • 9949 Views
SoniPlane
HELP WANTED! - SEGA MegaDrive plane editor (beta 1.1.1) - in-dev:
Natsumi 
  • 24 Replies
  • 10485 Views
Making Sonic 2's sound driver good
A collection of guides too short for their own topics
Clownacy 
  • 1 Reply
  • 2169 Views
Get Blue Spheres? Cinossu 
  • 14 Replies
  • 7869 Views
Blue Sphere Password Algorithm Reverse-Engineered ArrowCase 
  • 4 Replies
  • 2854 Views
Rocket Knight Adventures Compression
Tool Help Required
StephenUK 
  • 2 Replies
  • 1841 Views
[S1] Considerably speeding up level loading
Gotta go fast, right?
Natsumi 
  • 14 Replies
  • 4287 Views
Strange fix to test out
I want to see if it's just me
Clownacy 
  • 4 Replies
  • 3238 Views
GSXPwn snkenjoi 
  • 0 Replies
  • 1735 Views
How to improve PCM playback quality with Sonic 2's sound driver Clownacy 
  • 3 Replies
  • 2548 Views
Sonic 3 Cz v2.0
Launch Base unglitched!
Hayate 
  • 41 Replies
  • 22965 Views
Sonic Boom: Rise of Lyric File Formats NeKit 
  • 1 Reply
  • 4108 Views
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