Sonic 3D: Flickies' Island/Hidden content

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Mega Drive version

Level select

S3D level select.png

Press B A Right A C Up Down and A (BARACUDA) on the title screen, then select Start on the menu. After entering this cheat, the player may skip levels by pressing Start + A during gameplay. Skipping a level while in a Special Stage will award its Chaos Emerald without even having to play the level. Alternatively, the level select can be unlocked by beating the game once or crashing the game (see here).

Unused content

Truncated music

The invincibility track is actually longer than 18 seconds long. Only part of the track plays normally.[1]

Sound driver credits

Found at ROM address 000D2E82:

Sound Driver for Sonic Series
Coded by Y.Kashima & M.Sets.
Sun Sep  1 1996 17:02

Saturn version

Cheat mode

For the non-Japanese versions, hold on C + Start at the title screen to access the cheats. For the Japanese version, press Up Right A C. To cheat during normal gameplay, press Start and then press:

A - Skip an Act
B - Skip a Zone
C - Skip to boss of Zone
X - Gain one life
Y - Gain one Sonic Medal
Z - Gain all Chaos Emeralds

Japanese Level Select Code

The Japanese version has its level select code that you can enter on the title screen using Down Down Down, and then the button below for the desired zone:

A - Rusty Ruin Zone
B - Spring Stadium Zone
C - Diamond Dust Zone
X - Volcanic Valley Zone
Y - Gene Gadget Zone
Z - Panic Puppet Zone

A ring sound indicates correct input

Special stage debug camera

An unused camera mode can be activated by setting 060D0074 to C. When active, hold Z to move the camera with the D-pad. Hold Z and press A or C to zoom in and out.

Special stage ending camera angles

Hold X, Y, or Z while a special stage is ending to get an alternative camera angle of the ending animation.

Windows PC version

Undocumented settings menu

Sonic3D PC MenuBar.png

During play, press the  M  key then press  Esc  to access an undocumented Windows menu bar, which gives the ability to change some graphics and control settings, as well as resume a saved game and restart/quit back to Windows. The help file can also be accessed from this menu.

If the Sega PC Reloaded compatibility tool is being used to run the game, this menu is always accessible when running in a window and can be displayed in full screen mode at any time by right clicking the mouse.

Hidden cheat menu

Sonic3D PC CheatMenu.png

At any time during play, type bobandkate to enable a cheat menu which can be accessed from the undocumented settings menu described above.[2] This enables the following additional features:

  • Lives: Number of lives the player currently has (0-9).
  • Emeralds: Number of Chaos Emeralds the player has collected (0-7).
  • Skip to next act: Skips to the next Act of the current Zone (if used on Act 3, it will skip to Act 1 of the next Zone).
  • Skip to next Zone: Skips to the same Act on the next Zone (equivalent to skipping 3 Acts in a row, will do nothing on Panic Puppet Act 2, Act 3 & the Final Fight).
  • Skip to last boss: Skips to the Panic Puppet Act 3 boss.

If 'skip to next act' is used on Panic Puppet Act 3 or 'skip to next Zone' is used on Panic Puppet Act 1 with less than 7 Emeralds, the bad ending plays. Otherwise, if all 7 Emeralds are collected, the game skips to the Final Fight instead. If 'skip to next act' is used on the Final Fight, the good ending plays.

If the Sega PC Reloaded compatibility tool is being used to run the game, the cheat menu can be enabled without requiring the code. An alternative method to access the menu is to use a Windows resource editor to swap the first Hidden Menu with the Hidden Cheat Menu.[3]

Unused content


Final Fight
S3d finalp.png

KojiChao found what appears to be a piece of concept art piece for the final boss, possibly used as part of an 'explosion' sequence after defeating the boss. The background is very dark and can barely be seen, unlike the Sonic Crackers-esque backdrop seen in the final game. The boss is also equipped with items from its third and fifth phase.

Special Stage intros
S3d sonknu.png
S3d sontai.png

These images may have been meant to be used for loading screens shown before the Special Stage. However, since the Special Stages don't require much loading time (they appear instantly), the images went unused. Perhaps this means the Saturn special stages were originally going to be used in the PC version?

Cheat device codes

These are cheat codes that can only be used with game enhancer devices. Support for these codes is available in most emulators.

Game Genie

Unofficial codes, Mega Drive version

Code Effect
DADA-AAAR Always Go To The Special Stage.
MA3A-AAAT Auto Spin Dash.
AMJA-CA42 Don't Lose Rings In Special Stages.
BL5T-CA2W Don't Lose Rings When Hit (If you have at least 1 Ring).
ATEA-AA5J Infinite Lives.
AJNA-AA32 Level Selection Menu Always Appears At Level Start.
AJCA-AABY Non-Stop Demo.
AVSA-AA44 Once You Collect The First 5 Birds (Flickies) On The First Level, You Won't Need To Collect Anymore To Go To The Rest of The Levels.
AADA-AAAE Skip Levels.

Action Replay

Unofficial codes, Mega Drive version

Code Effect
FF4F92:0007 Have All Chaos Emeralds.
FF0680:00XX Always keep XX lives.
FF0A5A:00XX Always keep XX Rings.
FF0A8F:000X Always keep X Flickies (max 5).
FF0A93:0005 Don't need to collect Flickies. (Can still collect them for score)


Unofficial codes, Saturn version

Code Effect
F6000914 C305
B6002800 0000
Master Code.
16097C5E 0009 Gives Sonic 9 Medals.
16098008 0999
1609800C 03E7
Gives Sonic 999 Rings.
160FFC94 03E7 Gives Sonic 999 Rings (Bonus Levels).
16097C2E 0009 Infinite Lives.
160A44AC 0060 Invincibility (Sonic Flashes)
D6097C24 0001
D6097C24 00??
Level Modifier.
  • 02 - Green Grove Act 2
  • 03 - Green Grove Act 3
  • 04 - Gene Gadget Act 1
  • 05 - Gene Gadget Act 2
  • 06 - Gene Gadget Act 3
  • 07 - Rusty Ruin Act 1
  • 08 - Rusty Ruin Act 2
  • 09 - Rusty Ruin Act 3
  • 0A - Diamond Dust Act 1
  • 0B - Diamond Dust Act 2
  • 0C - Diamond Dust Act 3
  • 0D - Volcano Valley Act 1
  • 0E - Volcano Valley Act 2
  • 0F - Volcano Valley Act 3
  • 10 - Spring Stadium Act 1
  • 11 - Spring Stadium Act 2
  • 12 - Spring Stadium Act 3
  • 13 - Panic Puppet Act 1
  • 14 - Panic Puppet Act 2
  • 15 - Panic Puppet Act 3


Sonic 3D: Flickies' Island
Sonic3D Saturn TitleScreen.png

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