This is the ultimate
 
Below are codes that can do almost anything, If there is anyone out there who can make these codes or has any that I dont,
Email me
 
Well known codes are in Blue (Released by galoob)
 
Rare codes are in orange (Made by players)
Select a system
GENESIS
Game Genie
Sonic 1
There are 2 versions of this game, find out which one you have by testing codes
 
Version 1
020-54A-E6E  Each ring counts as 2
030-54A-E6E  Each ring counts as 3
040-54A-E6E  Each ring counts as 4
050-54A-E6E  Each ring counts as 5
060-54A-E6E  Each ring counts as 6
070-54A-E6E  Each ring counts as 7
080-54A-E6E  Each ring counts as 8
3A0-21C-2A2 Never lose rings
003-F8C-3B7  Stop timer
013-7DE-E66 Start with 1 life
053-7DE-E66 Start with 5 lives
093-7DE-E66 Start with 9 lives
007-01A-3BE  Infinite lives
 
Version 2
    Start at
003-8CE-5D4 + 013-88E-91A Green Hill Zone Act 2
003-8CE-5D4 + 023-88E-91A Green Hill Zone Act 3
003-8CE-5D4 + 033-88E-91A Bridge Act 1
003-8CE-5D4 + 043-88E-91A Bridge Act 2
003-8CE-5D4 + 053-88E-91A Bridge Act 3
003-8CE-5D4 + 063-88E-91A Jungle Act 1
003-8CE-5D4 + 073-88E-91A Jungle Act 2
003-8CE-5D4 + 083-88E-91A Jungle Act 3
003-8CE-5D4 + 093-88E-91A Labyrinth Act 1
003-8CE-5D4 + 0A3-88E-91A Labyrinth Act 2
003-8CE-5D4 + 0B3-88E-91A Labyrinth Act 3
003-8CE-5D4 + 0C3-88E-91A Scrap Brain Act 1
003-8CE-5D4 + 0D3-88E-91A Scrap Brain Act 2
003-8CE-5D4 + 0E3-88E-91A Scrap Brain Act 3
003-8CE-5D4 + 0F3-88E-91A Sky Base Act 1
2A2-86A-6E2  Never drown
Sonic 2
009-04F-3BE  Infinite lives
A78-92C-19E  Invincible after 1 ring--except on act 3
026-5ED-E6E  Each ring worth 2 points
036-5ED-E6E  Each ring worth 3 points
046-5ED-E6E  Each ring worth 4 points
056-5ED-E6E  Each ring worth 5 points
066-5ED-E6E  Each ring worth 6 points
076-5ED-E6E  Each ring worth 7 points
086-5ED-E6E  Each ring worth 8 points
3A7-E4C-2A2 Don't lose rings when hit
012-B8D-E66 Start with 1 life
052-B8D-E66 Start with 5 lives
092-B8D-E66 Start with 9 lives
001-12D-3B7 Stop timer
3E2-E4D-3B4 + 012-E5D-E69 Start on Act 2
3E2-E4D-3B4 + 022-E5D-E69 Start on Act 3
Sonic Chaos
Don't combine codes in yellow with codes in purple
008 3BD E6E  Infinite time
022 1EC E6E  Each ring worth 2
042 1EC E6E  Each ring worth 4
062 1EC E6E  Each ring worth 6
082 1EC E6E  Each ring worth 8
0A2 1EC E6E  Each ring worth 10
3A9 DCB 2A2  Never lose rings
22A 91D 2A2  Start with some rings most of the time
016 93C E66  Sonic starts with 1 life
096 93C E66  Sonic starts with 9 lives
506 93C E66  Sonic starts with 50 lives
996 93C E66  Sonic starts with 99 lives
014 23E E66  Sonic continues with 1 life
094 23E E66  Sonic continues with 9 lives
504 23E E66  Sonic continues with 50 lives
994 23E E66  Sonic continues with 99 lives
016 99C F7E  Tails starts with 1 life
096 99C F7E  Tails starts with 9 lives
506 99C F7E  Tails starts with 50 lives
996 99C F7E  Tails starts with 99 lives
014 28E F7E  Tails continues with 1 life
094 28E F7E  Tails continues with 9 lives
504 28E F7E  Tails continues with 50 lives
994 28E F7E  Tails continues with 99 lives
3A6 24E 2A2  Infinite lives
1F6 9EC 08F + 996 A0C F7D Sonic starts on Gigapolis Zone
3D6 9EC 08F + 996 A0C F7D Sonic starts on Sleeping Egg Zone
006 9EC 08F + 996 A0C F7D Sonic starts on Mecha Green Hill Zone
3C6 9EC 08F + 996 A0C F7D Sonic starts on Aqua Planet Zone
1F6 9EC 08F + 996 A0C F7D Tails starts on Sleeping Egg Zone
3D6 9EC 08F + 996 A0C F7D Tails starts on Aqua Planet Zone
006 9EC 08F + 996 A0C F7D Tails starts on Electric Egg Zone
056 93C E66 + 006 9EC 08F + 996 A0C F7D Sonic starts on Electric Egg         Zone with 5 lives
016 99C F7E + 1F6 9EC 08F + 996 A0C F7D  Tails starts on Gigapolis Zone        with 1 life
036 99C F7E + 006 9EC 08F + 996 A0C F7D  Tails starts on Mecha Green         Hill Zone with 3 lives
Sonic Triple Trouble
Sonic Spinball
Sonic Labyrinth
Sonic Drift 2
Sonic Blast
Tails Adventure
Sonic Drift (japanese import)
Tails Skypatrol (japanese import)