Script was made using Geany under Linux Mint with Wine installed. Image assets were compiled using GIMP. Images were sourced from the Sonic 3 & Knuckles disassembly (using Flex 2) and S3AIR's mod templates folder. The mod comes mostly out of wanting a better control scheme for debug mode, and the requests for a debug mode that supports HUD mods. Play as Sonic's friends Tails & Knuckles for the first time. Use their unique abilities to fly, climb, and glide around levels offering exciting new ways to explore. OPTIMIZED FOR MOBILE Sonic The Hedgehog now plays in widescreen at a smooth 60FPS offering unrivalled performance and the game's legendary soundtrack has been fully re-mastered.
Please report any issues on Discord.
|Sonic the Hedgehog|
Developers: Christian Whitehead, Headcannon
This game has hidden developer credits.
Finally, for once, a version of Sonic 1 that isn't a straight-up emulation, Sonic Jam and the really lackluster Game Boy Advance version aside. Powered by the fan-made Retro Engine, this version boasts a constant 60 FPS, smoother animations, a removed speed cap, widescreen, a save function, three playable characters, and much more.
Incidentally, this version was released as an update to the existing iOS version, which was an emulator + ROM.
- 4Special Stages
- 6Unused Sprites
Start a 'No Save' game and choose a character. On the SEGA logo screen, tap the letters S-E-G-A in that exact order once the entire word appears, Or if using a controller press Up, Down, Left, Right at the title screen. If done correctly, you will hear the ring chime. Then hold two fingers on the bottom of the screen and wait (hold the jump button and press start if using a controller). After the title screen appears, you'll be taken to a Sonic 2-style Level Select.
To select a Special Stage, set the sound test value to 01-06 and select Special Stage. If Max Emeralds is set to 7, selecting 07 will pick the otherwise unused seventh Special Stage.
There are several options aside from selecting levels and the Sound Test (they seem to become unlocked in the options menu though when you beat the game or perhaps fulfill other special requirements):
- Player - Choose between Sonic, Tails, Knuckles, Sonic and Tails (like Sonic 2), or Knuckles and Tails.
- Spindash - On or Off, like the Settings menu.
- GND SPD Cap - Ground speed cap on/off. 'On' simulates the original game.
- AIR SPD Cap - Air speed cap on/off. 'On' simulates the original game.
- S1 Spikes - On/off. Toggles the infamous no-invincibility-frame spikes from the original game's initial release.
- Items - S1, S2, S1+3, or S2+3. Seems to control what monitors appear. Selecting an option with '+3' gives Sonic the ability to use elemental shields and the insta-shield move from Sonic the Hedgehog 3.
- Max Emeralds - 6 or 7 Chaos Emeralds. Choosing 7 allows all three characters (including Tails) to transform into their Super forms once you get 50 rings and double-tap the screen. The 7th Emerald is cyan in color. Some of the Emeralds also change color when toggling this option to match their modern palette.
Alternate/Hidden Level Select
An alternate level select can be seen by either choosing the save file of a completed game, or placing an Animal Prison/Goal Sign at the beginning of Final Zone. It is fairly barren, lacking Zone names, options, and the ability to select anything but the first Act of a Zone. It is also not possible to access the Special Stage from this menu, though there is clearly space for it in the bottom-right corner.
Play sounds 01, 09, 09, 01, 00, 06, 02, 03 (the US/European release date of the original Genesis game) in the Sound Test. During gameplay, tap the upper-left corner of the screen to access debug mode. To change the item you are placing, press the + or - on the top of the screen.
Interestingly, the debug mode allows placement of many, many items that are not present in the main game. It seems the developers looked into the unused content from the original game, finished coding them, and left them unused. This cut content may have been meant to be restored in this port, but ultimately re-cut at the request of Sega as was the case with the 2011 Sonic CD.
Sonic 1 Debug Mode Pc
Sonic 1 has a custom special stage editor that can be accessed via going to the level select, playing sound 08 and the selecting 'Special Stage', if you have debug mode enabled in this special stage you can place down almost any special stage object to make your own special stages, you can even save and load layouts
Find out exactly how saving/loading works.
Confirm the function of the debug monitors.
- Unused monitors - same as those present in the original game.
- S - works like in Sonic 3, giving Super Sonic.
- Robotnik - shows an image of Robotnik. Like Sonic 2 and 3, it hurts the player upon breaking it.
- Debug monitors - used for toggling new features on the fly.
- Spikes - shows an image of spikes. Breaking it plays the 'hitting spikes' sound and toggles Sonic 1 spike behavior.
- Three Shields - shows an image of the elemental shields from Sonic 3. This toggles the Items option, but it doesn't work on the fly.
- Chaos Emerald - Plays the sparkle sound from Sonic 2 for Super Sonic. Each one broken toggles your emerald count from having 6, then to 7, then back to zero.
- Image of 4 Robotniks - also present in the original. Adds collision to several platforms that don't have it normally. When placed, it acts like an invisible platform. A variant with images of Tails exists in Final Zone.
- Rolling ball - is now a functional object, unlike in the original game. It rolls down hills, can crush enemies, and can break through walls. You can push it to give it additional momentum and make it roll up hills, but it can crush Sonic if it falls on him.
- Splats the Bunny - jumps around near a set spot or jumps in a set direction. Oddly, it doesn't seem to be affected by the rolling ball.
- Sideways spikes - also seen in the original.
- UFO - placing it makes a bunch of UFOs show up in the sky, as they did in early photos and footage of the original game. They fade in and out of sight and are merely a cosmetic addition.
- Goggles monitor - breaking it gives Sonic goggles which only appear when you're underwater. It increases the time period Sonic can spend in water without air, and it breaks off Sonic's head like a shield if hit. The graphics were taken from the original game, though the function of this item was presumably changed: Dean Sitton stated that the goggles were originally just a cosmetic graphic.
- Prohibitory sign - deletes items it's placed on.
- Extra life icon - from the original.
- Zone icons: - don't do anything. A blue 'Zone 7' icon was added for this port.
- 'W' block - doesn't do anything.
- 7th Chaos Emerald - Cyan, and it allows Sonic to transform into Super Sonic.
Seventh Special Stage and its Editor
The seventh Special Stage does not appear in-game by default; it is a custom level that must be created in a special editor and saved before it can be accessed in-game.
To access the editor for this Special Special stage, enter the Stage Select with debug mode enabled, set Max Emeralds to 6 but the Sound Test to 7, and select Special Stage.
The default layout in the editor is nothing but the word 'custom' spelled out in generic Special Stage tiles. Upon entering debug mode, you will find three tiles that are not available anywhere else in the game: Load, Save, and Clear icons. You can delete individual objects with the aforementioned prohibitory sign.
- Load icon - loads your last saved layout for your custom Special Stage when placed. Used in conjunction with the Save icon.
- Save icon - saves the current layout of your custom Special Stage when placed.
- Clear icon - clears your custom Special Stage when placed.
After creating your Special Stage, go to the Level Select and set Max Emeralds to 7. Now your custom stage can be accessed during gameplay (where collecting the Emerald will allow your character to become Super), or by setting the Sound Test value to 7 and selecting Special Stage (helpful if you want to test your Special Stage). In both cases, debug mode will not give you the Load, Save, and Clear icons.
The hidden credits are still present. To see them, start a 'No Save' game and choose a character. On the SEGA logo screen, tap the letters A-G-E-S in that order once the entire word appears. If done correctly, you will hear the ring chime and the credits will appear.
The credits translate to:
|Sound Produce||Nakamura Masato|
|Sound Program||Kubota Hiroshi|
Additionally, Tails' name will change to 'Miles' during gameplay.
Most of these are, unsurprisingly, leftovers from the original Genesis game.
|'Zone' Icons||Present in the original game, these icons would have indicated which Special Stage you were in. Interestingly, a Zone 7 icon was added to this port.|
|1-up Icon||Extra life icon for the Special Stages, listed in the original game's instruction manual but never actually appearing in any of them in any iteration of the game without ROM hacking. It is still fully functional, and can be placed in any Special Stage. The icon disappears like a ring when touched. The Tails and Knuckles icons were added to this port.|
|'W' Icon||A solid block. Its use is unknown and it has no function when placed in-game.|
|Robotnik Monitor||Hurts the player, like in Sonic the Hedgehog 2's 2-player mode and Sonic 3.|
|Goggles Monitor||Gives Sonic goggles, which increase the time before Sonic drowns.|
|'S' Monitor||Makes the player Super when broken.|
|Spike Monitor||Breaking it plays the 'hitting spikes' sound and toggles the Sonic 1 spike behavior.|
|Three Shields Monitor||Toggles the Items option when broken. Changes to the monitors will take effect when you restart the Act or advance to the next Act.|
|Emerald Monitor||Breaking it plays the sparkle sound from Sonic 2 for Super Sonic and toggles the maximum Emerald count. The first one broken sets your Emerald count to 6 and enables the good ending, the second one broken sets your count to 7 and enables Super Forms, and the third one broken sets your count to 0. This is the second game to have an Emerald monitor, the first being Sonic Triple Trouble.|
|Exclamation(?) Monitor||The only monitor that isn't used in Debug Mode. It's either an exclamation mark or the Shrink powerup from Knuckles' Chaotix.|
|Green Hill Zone||The checkered ball can be placed with Debug Mode and actually works now. It can break through walls, deflect projectiles, and crush enemies.|
|Green Hill Zone||Splats the Bunny is an unused badnik featured in promotional trading cards for the original game. There are two different variants. When placed in-game, he hops around near where you placed him or in a set direction.|
|Marble Zone||Horizontal spikes, rather than the vertical ones actually used in Marble Zone. They are also slightly thinner. They fully work upon placement, though.|
|Marble Zone||Placing it in Debug Mode will cause UFOs to appear in the sky. The UFOs were seen in early screenshots and footage of the original game.|
|Labyrinth Zone||Sonic will wear these if a Goggles monitor is broken. They increase the amount of time Sonic can spend underwater without air.|
|Final Zone||The left image shows the back of Robotnik's legs, which can't be seen normally. The right image is what is normally seen.|
|Leftover Tails life icons from the 2011 Sonic CD port, present among Tails' sprites.|
|Leftover Sonic life icon from the 2011 Sonic CD port, present among the HUD sprites.|
|The default icon for sprites in the Retro Engine's Scene Editor, usually used for Objects that aren't seen/spawned|
|The Sonic the Hedgehog series|
|Sega Genesis||Sonic the Hedgehog • Sonic the Hedgehog 2 (Prototypes) • Sonic the Hedgehog 3 (Prototype) • Sonic & Knuckles (Prototypes) • Sonic 3 & Knuckles • Sonic 3D Blast (Prototypes) • Sonic Spinball (Prototype)|
Dr. Robotnik's Mean Bean Machine (Prototype) • Sonic Classics
|Sega Master System||Sonic the Hedgehog • Sonic the Hedgehog 2 • Sonic Chaos (Prototypes) • Sonic Blast • Sonic Spinball|
Dr. Robotnik's Mean Bean Machine • Sonic's Edusoft
|Game Gear||Sonic the Hedgehog (Prototype) • Sonic the Hedgehog 2 (Prototype) • Sonic Chaos (Prototypes) • Sonic Triple Trouble (Prototypes)|
Sonic Spinball (Prototype) • Sonic Drift 2 • Sonic Labyrinth • Sonic Blast (Prototypes)
Dr. Robotnik's Mean Bean Machine • Tails' Skypatrol • Tails Adventures
|Arcade||SegaSonic Cosmo Fighter • SegaSonic the Hedgehog (Prototype) • Sonic Championship • SegaSonic Bros.|
|Sega CD||Sonic the Hedgehog CD (Prototypes)|
|32X||Knuckles' Chaotix (Prototypes)|
|Sega Pico||Sonic the Hedgehog's Gameworld • Tails and the Music Maker (Prototypes)|
|Windows||Sonic the Hedgehog CD (1996, 2011) • Sonic's Schoolhouse • Sonic & Knuckles Collection • Sonic 3D Blast • Sonic R|
Sonic Heroes • Sonic Riders • Sonic Adventure DX: Director's Cut (2004, Demo, 2011) • Sonic Adventure 2
Sonic the Hedgehog 4 - Episode I (Prototypes) • Sonic the Hedgehog 4 - Episode II (Prototype) • Sonic Generations (Demos) • Sonic Lost World • Sonic Mania • Sonic Forces • Sonic & Sega All-Stars Racing • Sonic & All-Stars Racing Transformed • Team Sonic Racing
|Sega Saturn||Sonic X-treme • Sonic 3D Blast (Prototype) • Sonic Jam (Prototype) • Sonic R (Preview)|
|Dreamcast||Sonic Adventure (Prototypes) • Sonic Adventure 2 (Prototypes) • Sonic Shuffle (Debug Version)|
|Neo Geo Pocket Color||Sonic the Hedgehog Pocket Adventure (Prototypes)|
|Game Boy Advance||Sonic Advance (Prototype) • Sonic Advance 2 • Sonic Advance 3 (Prototype) • Sonic Battle • Sonic the Hedgehog Genesis|
|GameCube||Sonic Adventure 2: Battle (Demo) • Sonic Adventure DX: Director's Cut (Prototypes) • Sonic Heroes (Prototypes)|
Shadow the Hedgehog • Sonic Mega Collection (Prototype) • Sonic Gems Collection • Sonic Riders
|PlayStation 2||Sonic Heroes • Shadow the Hedgehog • Sonic Riders • Sonic Riders: Zero Gravity • Sonic Unleashed • Sonic Gems Collection|
|Xbox||Sonic Heroes • Shadow the Hedgehog • Sonic Riders|
|Nintendo DS||Sonic Rush (Demo) • Mario & Sonic at the Olympic Games (Beijing 2008) • Sonic Chronicles: The Dark Brotherhood|
Sonic & SEGA All-Stars Racing • Sonic Classic Collection
|PlayStation Portable||Sonic Rivals|
|Xbox 360||Sonic the Hedgehog (Demo) • Sonic Unleashed (Preview) • Sonic & Sega All-Stars Racing • Sonic the Hedgehog 4 - Episode I (Prototypes) • Sonic Generations (Demos) • Sonic Adventure 2 • Sonic & All-Stars Racing Transformed|
|Wii||Sonic Unleashed • Sonic Colors • Beijing 2008 • London 2012 • Sonic the Hedgehog 4 - Episode I (Prototypes) • Sonic & Sega All-Stars Racing • Sonic and the Black Knight • Sonic Riders: Zero Gravity|
|PlayStation 3||Sonic the Hedgehog • Sonic the Hedgehog 4 - Episode I (Prototypes) • Sonic Adventure 2 • Sonic Generations (Demos) • Sonic & All-Stars Racing Transformed|
|Nintendo 3DS||Sonic Generations • Sonic & All-Stars Racing Transformed|
|Wii U||Sonic Lost World • Sonic Boom: Rise of Lyric • Sonic & All-Stars Racing Transformed|
|Nintendo Switch, PlayStation 4, Xbox One||Sonic Mania|
|J2ME||Sonic the Hedgehog Mobile • Sonic Jump|
|iOS/Android||Sonic the Hedgehog 4 - Episode I (Prototypes) • Sonic the Hedgehog • Sonic the Hedgehog 2 • Sonic the Hedgehog CD|
Sonic Jump • Sonic Dash • Sonic Runners
|Plug & Play||Super Sonic Gold|
All Super Emeralds And Hyper Sonic
Alternate ending and Episode 2 preview
Alternate ending poses
Always get a jackpot
Bonus levels and Chaos Emeralds
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