Sonic Mania/Hidden content
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- 1 Level select
- 2 v1.04 sound test codes
- 3 Videogamedunkey Easter Egg
- 4 Retro Engine V5 Dev Menu
- 5 Unused content
- 6 Early levels
- 7 Unsorted
- 8 References
To access the level select, go to the Mania Mode Save Select menu and highlight "No Save", activate Debug Mode in Game Options (providing it is unlocked), then select "No Save" and press and hold (PS4) / (Switch) / (XB1) / Q (PC) before the screen goes black. Note that even as of v1.04 the player still needs to highlight a "No Save" game for it to work.
To use the level select:
- Use the D-Pad (Consoles) / 🡩 🡫 🡨 🡪 (PC) to select a level.
- Press (PS4) / (Switch) / (XB1) / Q (PC) to select the player's character.
- Press (PS4) / (Switch) / (XB1) / W (PC) when Sonic is the selected character to have Tails follow him.
- Press (PS4) / (Switch) / (XB1) / A (PC) to play the selected level/sound test entry.
In v1.0 of the Nintendo Switch version, the level select could also be accessed from the title screen by holding before "Press Any Button" appears, then pressing any other button after it appears. According to The Taxman, this method of accessing the level select was intended for testing and was left in by mistake; it was later removed as it affected logging in to user accounts on consoles.
v1.04 sound test codes
As of the v1.04/Sonic Mania Plus update, new cheat codes have been added which can be entered in the sound test on the level select screen, discovered by CodenameGamma:
All Chaos Emeralds
Play sounds 01, 09, 09, 02, 01, 01, 02, 04 (the Debug Mode code in Sonic 2, also the date the game released in North America).
Play sounds 02, 00, 01, 08, 00, 06, 02, 03 (a reference to Sonic's 27th birthday; a video to celebrate him was uploaded on that same day). This sets the game to Encore Mode, allowing the player to play Encore Mode stages (except Angel Island Zone) and use Debug Mode in Encore Mode. If the player tries to enter Egg Reverie Zone after activating this code, they will be sent to the first Special Stage in Mania Mode instead.
Fly anywhere as the characters' Super Form
Play sounds 02, 00, 01, 07, 00, 08, 01, 05 (referencing the release date of Sonic Mania). This allows every character in their Super form to fly in any Zone like Super Sonic normally would in Egg Reverie Zone. The player can even perform a dash in the air, which will cost 5 Rings.
Play sounds 09, 00, 00, 01. This gives Sonic access to the Insta-Shield, Drop Dash and Super Peel-Out at the same time. This code will even allow the player to use the extra moves in Encore Mode if the Encore Mode code above is enabled.
Disable Super music
Play sounds 06, 02, 01, 04 (All Chaos Emeralds code backwards). One thing interesting is that this code works outside of No Save mode.
32 Gold Medallions
First, while on the title screen, input the Sonic the Hedgehog 3 level select code ( ) in the time between Sonic appearing and the "press any button" text appearing. After that, go into level select and put in the Ricky Mania code. Once that is done, play sounds 01, 09, 08, 09, 00, 05, 00, 01 (referencing Hunter Bridges' birthday) and you will obtain all 32 Gold Medallions. This cheat actually saves the medallions, which is ideal if the player just wants to unlock all of the Extras without having to play the Blue Spheres Bonus Stages.
Select Special Stage
Play a sound from 00-0D and then select Special Stage 1. It will be a different Special Stage based on the last sound played (from Mania Mode's first Special Stage to Encore Mode's last Special Stage).
Select Blue Sphere Stage
Play a sound from 00-1F and then select Special Stage 2. This is similar to the above cheat.
Videogamedunkey Easter Egg
In Hydrocity Zone, grab one of the hooks, then press: . a Ring chime will confirm correct entry. Afterwards, find one of the boosters and activate it. Instead of the normal sound, it will play a @vgdunkey-related sound effect.
- This button combination was previously used in Sonic & Knuckles.
- This easter egg was removed in version RC 1.03.0919 (released 2017/09/25) on PC, and v1.03 on PS4 and XB1. Interestingly, it was not removed from the Switch version until v1.04.
Retro Engine V5 Dev Menu
In the PC version of the game, if the Settings.ini file is edited with the line 'devMenu=1' within the '[Game]' section, then a dev menu can be accessed by pressing the Esc key in-game. This menu was used by the dev team to quickly access various sections of the game, and includes:
- Resume: Closes the Dev Menu and resumes the game.
- Restart: Restarts the current level/scene.
- Stage Select: Access any level/scene in the game. Its submenu includes:
- Presentation: Dev logos screen, Title Menu, "Thanks for Playing" screen, Level Select menu, Staff Credits, and Continue screens.
- Mania Demo: Access to the Green Hill Zone and Studiopolis Zone demos playable at the 25th Sonic Anniversary Event. Removed from RC 1.05.0713 onwards.
- Mania Mode: A text-based level select for Mania Mode.
- Encore Mode: A text-based level select for Encore Mode. The Encore DLC must be installed, otherwise these options will be disabled.
- Special Stage: A selection of all Mania and Encore Special Stages.
- Blue Spheres: Access to any Blue Spheres stage, including options for 'Random' and 'Random 2' which chooses a random Bonus Stage from original and Mania mode, respectively.
- Pinball: Access to the Pinball Bonus Stage. Strangely, this can be accessed even if the Encore DLC is not installed.
- Extras: Allows selection of Puyo Puyo mode and the D.A. Garden.
- Cutscenes: A list of the cutscenes in the game, which can be jumped to.
- Videos: The various ending animations.
- Options: Change game settings:
- Video Settings: Changes video-related settings. This menu contains additional options not found in the regular options menu:
- Window Size: Options are 1x, 2x, 3x and 4x. The normal video menu only allows this setting to go up to 3x.
- Window Aspect: Missing from the normal menu. This changes the game's aspect ratio to 16:9, 4:3, 3:2, 16:10 and 5:3.
- Fullscreen: Toggles full screen.
- Screen Shader: Changes the screen shader like in the normal menu, except CRT-Sharp and CRT-Soft are named "CRT-Yeetron" and "CRT-Yee64" respectively.
- Audio Settings: Changes audio-related settings:
- Streams Enabled: A YES/NO option. Setting this to "NO" will disable the music.
- Streams Vol: A volume control for music.
- SoundFX Vol: A volume control for sound effects.
- Configure Input: Configures the inputs for each player.
- Debug Flags: Available as of RC 1.05.0713. These toggle various things, such as enabling/disabling Debug Mode and toggling sprite/background layers.
- Video Settings: Changes video-related settings. This menu contains additional options not found in the regular options menu:
- Exit: Closes the game.
Enabling the Dev Menu will also activate extra features that are accessed with certain keys. The player can hold Backspace to fast-forward the game, press F12 to freeze/unfreeze the game, and F11 while the game is stopped with F12 to advance one frame at a time. Note that this will prevent Steam's screenshot function from working if the key for it is bound to F12 .
Additionally, the player will be able to press the "Super" button during a Special Stage to instantly increase speed level by one and raise the Mach Bonus. This can be done infinitely, and no additional cheats are required.
|Though a new version of Splats is used in Press Garden Zone, the original version of the Badnik can be placed in Green Hill Zone via Debug Mode. Interestingly, this version of Splats behaves differently compared to either version found in the Debug Mode of the 2013 remake of Sonic 1, suggesting this is more than just a leftover from the earlier game.|
|A pondskater Badnik that can be placed in Chemical Plant Zone using Debug Mode, named Sweep in the game's files. It would skate along on the surface of water and shoot its nose at the player. It would later be used in Angel Island Zone in Encore Mode.|
|Caterkiller, taken directly from Sonic 1. Its sprites are located with the sprites for Metallic Madness Zone, suggesting it may have been for that Zone. It is not in the Zone's debug listing and must be manually added to StageConfig.bin.|
|Whisp, taken directly from Sonic 2 and behaves similarly to how it did in the original. A similar Badnik, Shutterbug, is based on this Badnik.|
|Green Hill Zone's rolling ball can be placed with Debug Mode. It functions identically to how it did in the 2013 remake of Sonic 1, but it doesn't use the exact same graphics.|
|These are sprites of an unused love tester machine, found by Dolphman of The Spriter's Resource. CodenameGamma later discovered that the object is still functional and can be coded back into the game.
When the player jumps inside, the top monitor will display their character while the bottom monitor will display one of five characters (including Amy and Dr. Eggman), awarding points based on the match-up that is picked at random. There are "winning" and "losing" matchups which vary depending on the player's character, with "winning" match-ups awarding 400 points, and "losing" match-ups not awarding any points; neutral match-ups award 100 points. The match-ups are as follows:
|The spike blocks from Sonic 2's Metropolis Zone. Functions identically to its original appearance. This object uses sprites from the now-absent Blueprint folder. The folder must be re-added for the object to display properly. This object is also not present in any of the stage's StageConfig—it must be added manually.|
|The Drop Targets from Sonic 2's Casino Night Zone. Functions identically to its original appearance, but without sound effects. This object uses sprites from the now-absent Blueprint folder. The folder must be re-added for the object to display properly. This object is also not present in any of the stage's StageConfig—it must be added manually.|
|2A||A pinch mode theme intended for Egg Reverie Zone, named "Egg Reverie Pinch Mode" in the D.A. Garden and can be listened to there as well as in the level select's sound test. Official soundtrack releases name the song "Egg Panicky" and note that it's only available in the sound test.|
|Global/RingO.wav. The original Ring sound from other games and an early version of Global/Ring.wav.|
|Global/Sliding.wav. A different version of Global/Slide.wav.|
|Global/Warp.wav. The Teleporter sound from Sonic 2 and an early version of Global/Teleport.wav.|
|Stage/Ducc.wav. Likely a joke sound.|
|Stage/Electrify2.wav. While Stage/Electrify.wav (from Sonic 1) is used, this one from Sonic CD isn't. Stage/ElecCharge.wav, a higher-pitched version of this sound, is used.|
|Stage/LedgeBreak2.wav. The only one of the three "LedgeBreak" sounds that isn't used.|
|Stage/Rev.wav. Used by Stegway in the 2013 version of Sonic 2.|
|Stage/Swing.wav. Identical to SSZ1/Flail.wav, but 0.4 KB larger.|
|CPZ/Sticky.wav. Intended for the sticky platforms in Chemical Plant Zone. The final game uses Puyo/Land.wav instead.|
|FBZ/SpiderBounce1.wav. Intended for the Spider Mobile boss fight.|
|FBZ/SpiderBounce2.wav. Intended for the Spider Mobile boss fight.|
|FBZ/SpiderBounce3.wav. Intended for the Spider Mobile boss fight.|
|SSZ2/MSTransform1.wav. An early version of SSZ2/MSTransform.wav.|
|MSZ/RkillerRattle.wav. Intended for the Rattlekiller.|
|MMZ/Grow.wav. An early sound for touching a growth ray in Metallic Madness Zone Act 2, taken from Chaotix.|
|MMZ/Shrink.wav. An early sound for touching a shrink ray in Metallic Madness Zone Act 2, taken from Chaotix.|
|TMZ1/HogBounce.wav. Intended for the Ball Hog's bombs.|
Bonus Stage layouts
There are four unused Blue Spheres layouts in the game that cannot be accessed via the Dev Menu. The only way to access these is to rename their SpecialBS files.
I'm outta here
"Thanks for Playing" screen
The "Thanks for Playing" screen that was originally used in public demos at events can be accessed using the Dev Menu. However, some of the assets will not be loaded, so the player is only presented with the background that was used before being taken back to the Sega screen.
A mode called "Vape Mode" (short for Vaporwave Mode) was found in the code of the game and CAN be accessed in the level select, but the code to unlock it is unknown. In fact, there may not even be one at all.
Green Hill Zone Act 1
An early Green Hill level design, similar to what was presented in the San Diego Comic Con demo, is located in the GHZCutscene folder in the file Scene1.bin. This is used for when the Phantom Ruby teleports the player to Green Hill Zone in the intro, with the actual level being loaded afterwards.
Studiopolis Zone Act 1
Lava Reef Zone Act 1
- Sonic Discovery title
- Heavy Mystic
- Pulp Solstice Zone
- Egg Reverie Zone unused tiles (get map)
- @CFWhitehead on Twitter (Wayback Machine: 2019-03-05 01:02)
- @CFWhitehead on Twitter (Wayback Machine: 2017-10-04 15:44)
- [Dunkey Mode in Sonic Mania Dunkey Mode in Sonic Mania]
- [Sonic Retro forum thread: Sonic Mania: Hacking Discussion; post by RibShark Sonic Retro forum thread: Sonic Mania: Hacking Discussion; post by RibShark]
- [Sonic Mania PC - Unused Love Tester - All Characters, All Outcomes; video by CodenameGamma Sonic Mania PC - Unused Love Tester - All Characters, All Outcomes; video by CodenameGamma]
|Sonic Mania / Sonic Mania Plus|