Sonic Spinball gen (USA)

1 ball in Level 1 bonus round by Galoob

ACXA-8AH6

1 ball in Level 2 bonus round by Galoob

ACXA-8AGG

1 ball in Level 3 bonus round by Galoob

ACXT-8AA2

10 balls in Level 1 bonus round by Galoob

BGXA-8AH6

10 balls in Level 2 bonus round by Galoob

BGXA-8AGG

10 balls in Level 3 bonus round by Galoob

BGXT-8AA2

2 balls in Level 1 bonus round by Galoob

AGXA-8AH6

2 balls in Level 2 bonus round by Galoob

AGXA-8AGG

2 balls in Level 3 bonus round by Galoob

AGXT-8AA2

5 balls in Level 1 bonus round by Galoob

AWXA-8AH6

5 balls in Level 2 bonus round by Galoob

AWXA-8AGG

5 balls in Level 3 bonus round by Galoob

AWXT-8AA2

Allows much more control over Sonic when trying to "steer" him around the screen/Note by Tony Hedstrom

AHPA-5E7W
AHPA-5E8T

Collecting one emerald opens up the boss room for levels 1 and 2./Note by Tony Hedstrom

FMBA-5N08

Collecting one emerald opens up the boss room for levels 3 and 4. /Note by Tony Hedstrom

FMBA-5Y08

Don't die when you fall between the flippers into lava or other hazards/Note by Tony Hedstrom

DDFA-4A5N

Enable Level Select/Note by iamstillhiro1112

FFF8F8:0001

Enable Level Select by Fanat

RFBT-46ZR

Get Extra Man About Every 1,000,000 Points by Galoob

B69A-4AHR
B69T-4AAA

Get Extra Man About Every 10,000,000 Points by Galoob

XA9A-4AHR
XA9T-4AAA

Get Extra Man About Every 30,000,000 Points by Galoob

3J9A-4CHR
3J9T-4CAA

Get extra man about every 5,000,000 pts. by Galoob

KT9A-4AHR
KT9T-4AAA

Get Extra Man About Every 50,000,000 Points by Galoob

9N9A-4EHR
9N9T-4EAA

Gravity is lower by Tony Hedstrom

CDMT-5AB6

Gravity is much lower by Tony Hedstrom

BDMT-4TB6

Infinite balls in all bonus rounds by Galoob

AXST-8A5L

Infinite Balls In Bonus Levels by SolidSnake

FFF20C:0003

Infinite lives by Galoob

AXBA-4A4T

Infinite Lives by Phil The Hammer

FF579E:0003

Level 1 bonus stage: Only takes 1 hit to free each of the animal friends. by Tony Hedstrom

PCGT-9N06

Level 1 boss: Only takes 1 hit to destroy his tail. by Tony Hedstrom

AGRA-4AA2

Level 2 boss: No steam bursts at the top of the boss area. /Note by Tony Hedstrom

AJVA-6A6R

Level 2 boss: Only have to hit a head once to destroy it (destroy 4 heads to defeat the boss). by Tony Hedstrom

AFKT-6AF6

Level 2 boss: Platforms at top of boss area won't drop (keeps you from falling). by Tony Hedstrom

DJ2A-6A60

Level 3 bonus stage: Only takes 1 hit to destroy each chicken. by Tony Hedstrom

PLFT-9TXJ

Level 3 boss: Only takes 1 hit to break the tubes. by Tony Hedstrom

AETA-8AH0

Level 4 boss (Robotnik): Side windows never break (the windows that the socks throw you against). by Tony Hedstrom

ALYT-6A5N

Multi-Ball bonus level is enabled every time you collect a ring (see notes)./Note by Tony Hedstrom

RERA-66VW

Multi-Ball bonus level is enabled when you collect just 1 ring./Note by Tony Hedstrom

AERA-7A3G
RERA-66VJ

Multi-ball stages: Only have to hit the crab half as many times to win. by Tony Hedstrom

C8KA-8AEJ

Multi-ball stages: Only have to hit the crab once to win. by Tony Hedstrom

AGKA-8AEJ

Multi-ball stages: Start with 5 balls at once instead of 3. by Tony Hedstrom

A0XA-8AG4

Music Modifier/Note by iamstillhiro1112

FF0360:000?

Pressing Down on the directional pad will reverse gravity and cause Sonic to start moving upward (see notes)/Note by Tony Hedstrom

ZMPA-5DH0

Slows Sonic way down/Note by Tony Hedstrom

A9MT-4RB6

Start At Level 3 by Phil The Hammer

FF575B:0003

Start on Level 2: Lava Powerhouse by Galoob

AFBT-5N7G

Start on Level 3: The Machine by Galoob

AKBT-5N7G

Start on Level 4: Showdown by Galoob

APBT-5N7G

Start with 1 life by Galoob

AFBT-4AHR

Start with 2 lives by Galoob

AKBT-4AHR

Start with 5 lives by Galoob

AZBT-4AHR

Start with 7 lives by Galoob

A7BT-4AHR

The sea monster in the water won't attack you when you fall in-between the flippers in the 1st level. by Tony Hedstrom

AB6A-6AEJ

Title screen / sound effect / DAC/PCM modifier by nensondubois

099DE6:00??

Walk Left when you first start level 1 and you will be taken to the upper area of the level./Note by Tony Hedstrom

CDRA-4A7N

Weird Level Skip/Note by 47iscool

AMPT-4A2C