View source for Sonic Spinball (8-bit)/Hidden content

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==Sound FX Codes==
On the options screen, highlight 'Sound FX' then play any of the following sets of sound effects. You do not need to wait for the previous sound to finish before playing the next one, the screen will shake after the last sound if entered correctly.{{ref|1=https://www.smspower.org/forums/18448-SomeHiddenBitsInSonicSpinball}}

{| class="prettytable"
!class="unsortable"|Screenshot
!Sound Sequence
!Effect      
|-
|{{Bobscreen|SonicSpinball GG Continues.png|width=200}}
|00 08 02 08 07 05
|Start the game with 9 continues. Due to a programming oversight, exiting the options screen after using this code will reset the continues back to the normal value. Immediately use a scene select code after this one to keep the cheat enabled.
|-
|{{Bobscreen|SonicSpinball GG Lives.png|width=200}}
|00 03 01 01 05 05
|Start the game with 9 lives.
|-
|{{Bobscreen|SonicSpinball GG Version.png|width=200}}
|00 05 00 03 06 00
|The build version number will immediately scroll along at the top of the options screen.
|-
|{{Bobscreen|SonicSpinball GG SonicZilla.png|width=200}}
|00 02 01 01 06 06
|All in-game sprites are double the size. Note that this code makes use of a hardware feature of the SMS VDP that only functions properly on a model 2 SMS or a Game Gear. 

Attempting to use this cheat on a model 1 SMS will cause glitches. Attempting to use this cheat on an MD with a Power Base Convertor will not work at all, as the feature was completely removed from the Mega Drive VDP.
|-
|{{Bobscreen|SonicSpinball GG FreeMove.png|width=200}}
|00 09 00 01 06 08
|Enables free movement mode. Pause the game and press {{2}} to use it.
|-
|
|00 02 01 05 06 06
|Enables stage skip. Pause the game and press {{Down}} to skip to the next stage.
|-
|
|00 01 01 07 07 03
|Enables in game reset. Pause the game and press {{1}}+{{2}} to reset to the title screen.
|-
|{{Bobscreen|SonicSpinball GG Invert.png|width=200}}
|00 09 01 02 05 04 
|Inverts all in-game colours and increases the tempo of the music.
|-
|
|00 04 02 05 05 07
|Increases the tempo of the music.
|-
|{{Bobscreen|SonicSpinball GG Invert.png|width=200}}
|00 02 02 00 06 09
|Inverts all in-game colours.
|-
|
|00 04 02 09 06 04
|Reduce game speed by 50%
|-
|
|00 05 01 03 07 00
|Reduce game speed by 75%
|-
|
|00 06 02 04 06 03
|If either of the previous two codes have been used, restore the game speed to 100%
|-
|
|00 05 02 08 07 00
|Reset the game. It is not clear if this a bugged code or the intended effect. No other effects
have been noted.
|}


===Gravity Modification Codes===
All of these codes enable you to tweak the gravity setting used in-game. The default setting is 8
{| class="prettytable"
!class="unsortable"|Screenshot
!Sound Sequence
!Effect      
|-
|
|01 01 01 02 05 00
|Set gravity to 0, the weakest available setting
|-
|
|00 08 02 07 06 06
|Set gravity to 2
|-
|
|00 04 01 09 06 04
|Set gravity to 4
|-
|
|01 00 01 03 06 07
|Set gravity to 6
|-
|
|00 03 01 09 06 08
|Set gravity to 10, the strongest available setting
|-
|
|00 08 00 07 07 01
|Set gravity to 80, gravity is inverted and very strong.
|}


===Hidden Monitor Messages===
Hidden in each level is a monitor displaying the Japanese characters '見る' (this roughly translates to 'look' in English).  Collecting each of these monitors will display part of a hidden message which gives hints on how to access some of the cheat codes.
These codes modify that message.
{| class="prettytable"
!class="unsortable"|Screenshot
!Sound Sequence
!Effect 
|-
|{{Bobscreen|SonicSpinball GG Bday.png|width=200}}
|00 03 01 08 09 02
|Change all hidden monitor messages to display 'HAPPY BIRTHDAY, BLL, 03-18-92...'
|-
|{{Bobscreen|SonicSpinball GG TryTheseSFX.png|width=200}}
|00 08 03 01 07 01
|Change all hidden monitor messages to display 'TRY THESE SFX! 02-11-66, 09-01-68, 02-15-66, 04-25-57, * * *  FIND THE REST ON YOUR OWN. ***'
|}

===Scene Select Codes===
The scene select codes are split into two parts. You must first enter a code to chose which subset of scenes is active and then immediately enter a second code to warp to the chosen scene.
{| class="prettytable"
!class="unsortable"|Screenshot
!Sound Sequence
!Effect 
|-
|
|01 01 01 01 03 00
|Enable the first subset of scenes. This is the default which will be used if you do not enter one of these codes first.
|-
|
|01 01 01 01 03 01
|Enable the second subset of scenes.
|-
|
|01 01 01 01 03 02
|Enable the third subset of scenes.
|-
|
|01 01 01 01 03 03
|Also enable the third subset of scenes. This appears to be identical to the code above.
|}


{| class="prettytable"
!class="unsortable"|Screenshot
!Sound Sequence
!With 1st set of scenes enabled
!With 2nd set of scenes enabled
!With 3rd set of scenes enabled
|-
|
|01 01 01 01 04 00
|Sega logo on GG / Title screen on SMS
|Bonus Stage 1 Points Tally
|Bonus Stage 3 Title Card
|-
|
|01 01 01 01 04 01
|Title screen
|Lava Powerhouse Title Card
|Bonus Stage 3
|-
|
|01 01 01 01 04 02
|1st cut scene (Fortress rising)
|Lava Powerhouse
|Bonus Stage 3 Points Tally
|-
|
|01 01 01 01 04 03
|2nd cut scene (Sonic and Tails arrive)
|Lava Powerhouse Boss Arena
|Final Showdown Title Card
|-
|
|01 01 01 01 04 04
|3rd cut scene (Sonic drops into fortress)
|Bonus Stage 2 Title Card
|Final Showdown
|-
|
|01 01 01 01 04 05
|Toxic Pools Title Card
|Bonus Stage 2
|Final Showdown Boss Arena
|-
|
|01 01 01 01 04 06
|Toxic Pools
|Bonus Stage 2 Points Tally
|Ending cut scene 1 (Sonic & Robotnik falling)
|-
|
|01 01 01 01 04 07
|Toxic Pools Boss Arena
|The Machine Title Card
|Ending cut scene 1 (Sonic & Robotnik falling)
|-
|
|01 01 01 01 04 08
|Bonus Stage 1 Title Card
|The Machine
|Ending cut scene 2 (Fortress destroyed)
|-
|
|01 01 01 01 04 09
|Bonus Stage 1
|The Machine Boss Arena
|Credits
|}

==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.
=== Pro Action Replay ===
==== Unofficial codes (Master System) ====
{{CodeTable|
{{CodeRow|00DA2F:09|Infinite Lives.}}
{{CodeRow|00DC49:99|Infinite Rings (Turn off code at Point Tally).}}
{{CodeRow|00DA34:09|Infinite Continues.}}
}}
==== Unofficial codes (Game Gear)====
{{CodeTable|
{{CodeRow|00DA16:09|Infinite Lives.}}
{{CodeRow|00DC2F:99|Infinite Rings (Turn off code at Point Tally).}}
}}

==References==
<references/>

{{SonicSpinball8bitOmni}}