Sonic the Hedgehog: ReOne

By DeltaWooloo

29 years has past and Eggman still hasn't defeated a speedy blue hedgehog. But seeing his time traveling work from the past, gave him a terrific idea to alter the future of South Island. With Tails realising what happened, he warns Sonic and takes him back to the past to prevent Eggman from destroying South Island again. Sonic must set foot and follow his first adventure again into defeating Eggman in an all new hack called Sonic ReOne.


Sonic ReOne is a hack created by DeltaWooloo which takes Sonic back to where he originally started 29 years ago in South Island. This hack features new palettes that cycle through every act just from bright morning to dark evenings. Iconic features from classic Sonic games arrived in this hack (see the features below) Eggman pumped up his bosses to make it harder when you annoy him by hitting him. The level design is a mix between linear and platforming which is something you see in Sonic games, but be careful that you don't go too fast. Eggman placed badniks and springs to prevent you from going to the end. The music is catchy and fun to listen to and suits the mood of the zones.


After the events of Sonic Mania Plus, Eggman saw that Sonic and his pals destroyed his greatest inventions. With the Hard-Boiled Heavies destroyed, he is hopeless and devastated. Feeling agitated, Eggman decides to look through his old inventions until he stumbled across his greatest invention: time travel. Seeing that again gave him a brilliant plan, altering the future. He decided to time travel back to 1990, where Sonic didn't make his adventure a year later, in South Island, and invade the place and alter the future without Sonic realizing. The next day, when Sonic was taking a stroll around South Island, he saw South Island turned into the Eggman Empire. With Sonic confused about why he destroyed South Island that quick, he went back to Tails who was fixing his tornado. Tails told Sonic that Eggman went to the past and altered the future before you realized. With Sonic annoyed about this, he tells Tails to see if he can go back to 1990 where Eggman time-traveled to. Tails added a chip that can send his tornado to any time of the year if it hits 88 mph. So with the settings to 1990, Tails flies the tornado across the sea, hitting 88 mph. With a flash, they went back into 1990 where Eggman Empire isn't complete but there are badniks scattered across the island. Tails told Sonic that he needs to fix up his tornado as it is malfunctioning which means Sonic must to go back to Scrap Brain and defeat Eggman, once again.


As Sonic went into South Island again, he still remembered his well know abilities. And these abilities are selectable if you select options in the title screen. Here are the choices:

If you select Sonic 3 in the control styles, you would get the spindash and the insta shield

If you select Sonic CD in the control styles, you would get the CD spindash and peelout

If you turn all controls on, you would get the Sonic 3 controls but with the peelout

You can toggle the extended camera if you would like to have that

There are some features that enable such as the Sonic CD roll jump, the air roll from Sonic Triple Trouble and the slow ducking from Sonic and Knuckles no matter what you select.

We do the bosses as the same as in Sonic 1 but with a pinch mode. You think taking 8 hits would get him down? Nope! He'll fool you and make you say sorry as he decided to plan some tricks to stop you from your path. Make sure you know what to do.


Jump, bounce and fall into these stages as you desperately try to get back the emerald. It's all about platforming. You just jump for block to block and think about where you move. Gain those 4 emeralds (for this demo, unfourtately. There wasn't enough time) to transform into Super Sonic where you can fly across the zones without trouble. So how do you get into those stages you ask? Grab 50 rings and go to the lamppost and into the stars you go into a quest to seek those emeralds.


​​​​​​There are 3 playable zones for you to try out with different palettes every time you move from acts and zones. After you finish them, you're taken back to the title screen. Everything you saw in videos and images from the past few months is playable here. There are some level design issues due to time constrants but at least they are all playable!

I hope you enjoy this hack as much as I was when working on it!


Level designs: DeltaWooloo with some help from Dj. Joker27

Music composers: Dj. Joker27, RuthlesstheHooman, TheInvisibleSun and JoenickROS, LackofTrack

Palette designers: DeltaWooloo, RuthlesstheHooman, maple_t and KCEXE

Coders: DeltaWoolooand RandomName

Title Screen logo made by me

People who helped me along the way: Iso Kilo, AUORA_FIELDS (Natsumi), MarkeyJester, Samey, ProjectFM, Tanman Tanner, Trickster, Inferno, RuthlesstheHooman, nineko, KCEXE and Dark Lips

Spindash guide by Lightning, Puto, shobiz, Mecury

Shield attract and bug fixes from Mecury's ReadySonic

Peelout and CD spindash by LuigiXHero and Mecury

Sonic CD roll jump and slow ducking, title screen centering and fix Sonic 1 debug by Iso Kilo

Fade to white routine and removing water surface object by ProjectFM

Air roll by Inferno

Sonic 2 spring object, coconuts and stars by RandomName

Correcting PAL music by Crash

Starposts by Shooter

Sonic 3 and CD SFX: KCEXE

Route 113 SMPS by ProjectFM

Snake Man SMPS by ValleyBell

Sonic Heroes Special Stage 2 by S_T_D

A few buh fixes and Nemesis and Kosinski decompression by vladikcomper


File Type: 7z

File Size: 1.99 MB

DeltaWooloo @ 2020-09-30 08:26:09

There is a bug with the special stages as reaching special stage 5 and 6 would cause you to be stuck as the layout is the same as Sonic 1. So it's best to save state if you want the chaos emeralds.

The shield and invincibility art a bit buggy when you are fighting Eggman.

Extra credits:

Minor help: Kurk and Nat the Porcupine

SEGA screen by GF64

SSRG Splash Screen by MarkeyJester

Splash screen code by hixtus and ProjectFM

Last modified by DeltaWooloo @ 2020-10-26 02:46:49

Jdpense @ 2020-10-26 18:57:53

The palette for the first level looks a little to over saturated and muddy with the GHZ Blocks, and I also felt there were too many badniks placed in the levels for my liking. But other than that, I liked the presentation and layouts on this, it's a pretty decent hack for your first SHC!

DeltaWooloo @ 2020-10-27 15:58:38

Thanks for the kind words, Jdpense. I'll take the feedback in to sort out for next year. Glad you enjoyed the hack!

lavagaming1 @ 2020-10-27 02:41:23

this is what i have to say marble zone act 1 pallet is ugly same goes for act 3 and ghz 1 the level design i say theres a lot of dick moves thrown into it like can you not put a motobug in front of a speed booster ? and the monkey guy from ehz as he wasnt bad he only makes the game worst btw bosses are nice tho the marble zone is like really

lavagaming1 @ 2020-10-27 02:41:29

hard after 4 hits and special stages im pretty sure the controls are broken now for the good things the sunset themes have nice pallet and good design still has the red springs that pushes you back when you get speed and why does ghz have speed boosters are you copying sonic 4 or something any way its a nice hack but it def should have you re do a lot of things

DeltaWooloo @ 2020-10-27 15:59:22

Thanks for the long critical review, lavagaming1. I'll do my best to sort out, what you've said, by next year!

lavagaming1 @ 2020-10-29 07:56:30

nice good luck !

Command64 @ 2020-10-27 06:00:43

I love the hack the music and all, but the only complain is the badnik placements, sometimes they're out of place like adding a motobug in front of a spring or boosters.

Last modified by Command64 @ 2020-10-27 06:05:48

DeltaWooloo @ 2020-10-27 15:59:54

The level design was the main issue as it did have dickish moves. Glad you enjoyed it, Command64!

toeibannedme @ 2020-10-27 14:57:55

I'm loving the hack so far (I played through GHZ, MZ, and SYZ) and I'd love if you posted the soundtrack somewhere. These tracks are great!

As for feedback on the hack itself, any chance you could implement the Drop Dash into the game as an option? Sonic just feels incomplete without it!

DeltaWooloo @ 2020-10-27 16:01:12

Thanks for the kind words, toeibannedme. The soundtrack was made by different people so I'm going to have to ask them if I can upload their content on YouTube. I could be able to add the drop dash by next year, let's hope for the best!

Geeovanni @ 2020-10-31 13:59:43

I'm not a fan of this. The level design is pretty boring. There are some unfair design choices in MZ, and I feel that Sonic 1's level design is superior to the one in this hack, which is not a good sign. The soundtrack is really bad. Most of the tracks I've heard are just worse renditions of tracks I've heard before, and GHZ's boss music is just ear rape. SYZ3's music is pretty good, though, so do give my compliments to whoever made that.

Overall, a pretty generic ROM hack. Would not recommend.

DeltaWooloo @ 2020-11-01 02:05:41

Hi Geevanni,

I see you weren't a fan of the hack. What you said is OK as I'll be talking a look into it to see where I need to improve on.

mr_rubbaduck @ 2020-11-01 03:32:27

This is a decent hack, and I think your special stage is innovative and is the most unique feature of this hack.

I will say the Eggman monitors in the trees was a dick move, one I fell for one right after the other.

I think there maybe ring glitch. Once I hit some some spikes and lost about 30% of my rings, but badniks & bad monitors made me lose them all.

DeltaWooloo @ 2020-11-01 06:38:20

It isn't a ring glitch but a feature. You lose around 40 rings when hit to make the game a bit fair. Thanks for the feedback and I'll sort it out by next year.

djhoboman @ 2020-12-02 12:25:42

Hi! Great taste in music, does a list of used songs exist anywhere?

BlackDragon @ 2020-12-18 10:18:24

I don't like sonic 3 sprites, as a suggestion you can put an option to choose sprites of sonic 1/cd, 2 and 3 to make more customizable this hackrom