1. SAST-DJ1A / SATA-DJTJ - Rings worth 2, player 1

2. SAST-DN1A / SATA-DNTJ - Rings worth 3, player 1

3. SAST-DT1A / SATA-DTTJ - Rings worth 4, player 1

4. SAST-DY1A / SATA-DYTJ - Rings worth 5, player 1

5. SAST-D21A / SATA-D2TJ - Rings worth 6, player 1

6. SAST-D61A / SATA-D6TJ - Rings worth 7, player 1

7. SAST-DA1A / SATA-DATJ - Rings worth 8, player 1

8. AE8A-AAD2 / AE8A-AADN - Start with 1 life instead of 3, player 1

9. AY8A-AAD2 / AY8A-AADN - Start with 5 lives, player 1

10. A68A-AAD2 / A68A-AADN - Start with 7 lives, player 1

11. BE8A-AAD2 / BE8A-AADN - Start with 9 lives, player 1

12. DE8A-AAD2 / DE8A-AADN - Start with 25 lives, player 1

13. GJ8A-AAD2 / GJ8A-AADN - Start with 50 lives, player 1

14. KN8A-AAD2 / KN8A-AADN - Start with 75 lives, player 1

15. NN8A-AAD2 / NN8A-AADN - Start with 99 lives, player 1

16. JW3A-CA4J / JW3A-CA4Y - Infinite lives, player 1

17. SATA-DJVW / SATA-DJW8 - Rings worth 2, player 2

18. SATA-DNVW / SATA-DNW8 - Rings worth 3, player 2

19. SATA-DTVW / SATA-DTW8 - Rings worth 4, player 2

20. SATA-DYVW / SATA-DYW8 - Rings worth 5, player 2

21. SATA-D2VW / SATA-D2W8 - Rings worth 6, player 2

22. SATA-D6VW / SATA-D6W8 - Rings worth 7, player 2

23. SATA-DAVW / SATA-DAW8 - Rings worth 8, player 2

24. AE8A-AAD8 / AE8A-AADW - Start with 1 life instead of 3, player 2

25. AY8A-AAD8 / AY8A-AADW - Start with 5 lives, player 2

26. A68A-AAD8 / A68A-AADW - Start with 7 lives, player 2

27. BE8A-AAD8 / BE8A-AADW - Start with 9 lives, player 2

28. DE8A-AAD8 / DE8A-AADW - Start with 25 lives, player 2

29. GJ8A-AAD8 / GJ8A-AADW - Start with 50 lives, player 2

30. KN8A-AAD8 / KN8A-AADW - Start with 75 lives, player 2

31. NN8A-AAD8 / NN8A-AADW - Start with 99 lives, player 2

32. JXGA-CA7G / JXGA-CA7W - Infinite lives, player 2

33. KBVT-CAE2 / KBVT-CAE2 - Jump lower

34. FVVT-CAE2 / FVVT-CAE2 - Jump a little higher

For codes 35 and 36, switch off if you get stuck somewhere or want to sink in water
35. EBVT-CAE2 / EBVT-CAE2 - Jump a lot higher

36. CBVT-CAE2 / CBVT-CAE2 - Jump really high

37. A02T-CAF8 / A02T-CAGL - Sonic stays invincible for a shorter time after getting hit

38. 982T-CAF8 / 982T-CAGL - Sonic stays invincible for a longer time after getting hit

39. ALTA-CA8N / ALTA-CA82 - Sonic becomes invisible and invincible for the rest of the level after getting hit, must have at least one ring (switch off and then on to make Sonic visible)

40. ALTA-CA9J / ALTA-CA9Y - Once invincible(stars), Sonic stays Invincible for the rest of the level

41. ATTT-CA4W / ATTT-CA58 - Sonic doesn't lose rings when hit

42. ATTT-CA5G / ATTT-CA6W - Tails doesn't lose rings when hit

43. AH2T-CAH6/AH2T-CAHN - Sonic needs only 1 ring instead of 50 to enter special stage after touching a star post

With codes 44 through 57, the counter doesn't show the extra rings, but you do get them
44. SBJA-HJWJ/SBJA-HJV2 - Rings worth 2 in special stages, Sonic

45. SBJA-HNWJ/SBJA-HNV2 - Rings worth 3 in special stages, Sonic

46. SBJA-HTWJ/SBJA-HTV2 - Rings worth 4 in special stages, Sonic

47. SBJA-HYWJ/SBJA-HYV2 - Rings worth 5 in special stages, Sonic

48. SBJA-H2WJ/SBJA-H2V2 - Rings worth 6 in special stages, Sonic

49. SBJA-H6WJ/SBJA-H6V2 - Rings worth 7 in special stages, Sonic

50. SBJA-HAWJ/SBJA-HAV2 - Rings worth 8 in special stages, Sonic

51. SBJA-HJWR/SBJA-HJV8 - Rings worth 2 in special stages, Tails

52. SBJA-HNWR/SBJA-HNV8 - Rings worth 3 in special stages, Tails

53. SBJA-HTWR/SBJA-HTV8 - Rings worth 4 in special stages, Tails

54. SBJA-HYWR/SBJA-HYV8 - Rings worth 5 in special stages, Tails

55. SBJA-H2WR/SBJA-H2V8 - Rings worth 6 in special stages, Tails

56. SBJA-H6WR/SBJA-H6V8 - Rings worth 7 in special stages, Tails

57. SBJA-HAWR/SBJA-HAV8 - Rings worth 8 in special stages, Tails

There are 2 versions of this game. If the "A" codes don't work on your game, try the "B" codes

1A. SAST-DJ1A - Rings worth 2, player 1
1B. SATA-DJTJ

2A. SAST-DN1A - Rings worth 3, player 1
2B. SATA-DNTJ

3A. SAST-DT1A - Rings worth 4, player 1
3B. SATA-DTTJ

4A. SAST-DY1A - Rings worth 5, player 1
4B. SATA-DYTJ

5A. SAST-D21A - Rings worth 6, player 1
5B. SATA-D2TJ

6A. SAST-D61A - Rings worth 7, player 1
6B. SATA-D6TJ

7A. SAST-DA1A - Rings worth 8, player 1
7B. SATA-DATJ

8A. AE8A-AAD2 - Start with 1 life instead of 3, player 1
8B. AE8A-AADN

9A. AY8A-AAD2 - Start with 5 lives, player 1
9B. AY8A-AADN

10A. A68A-AAD2 - Start with 7 lives, player 1
10B. A68A-AADN

11A. BE8A-AAD2 - Start with 9 lives, player 1
11B. BE8A-AADN

12A. DE8A-AAD2 - Start with 25 lives, player 1
12B. DE8A-AADN

13A. GJ8A-AAD2 - Start with 50 lives, player 1
13B. GJ8A-AADN

14A. KN8A-AAD2 - Start with 75 lives, player 1
14B. KN8A-AADN

15A. NN8A-AAD2 - Start with 99 lives, player 1
15B. NN8A-AADN

16A. JW3A-CA4J - Infinite lives, player 1
16B. JW3A-CA4Y

17A. SATA-DJVW - Rings worth 2, player 2
17B. SATA-DJW8

18A. SATA-DNVW - Rings worth 3, player 2
18B. SATA-DNW8

19A. SATA-DTVW - Rings worth 4, player 2
19B. SATA-DTW8

20A. SATA-DYVW - Rings worth 5, player 2
20B. SATA-DYW8

21A. SATA-D2VW - Rings worth 6, player 2
21B. SATA-D2W8

22A. SATA-D6VW - Rings worth 7, player 2
22B. SATA-D6W8

23A. SATA-DAVW - Rings worth 8, player 2
23B. SATA-DAW8

24A. AE8A-AAD8 - Start with 1 life instead of 3, player 2
24B. AE8A-AADW

25A. AY8A-AAD8 - Start with 5 lives, player 2
25B. AY8A-AADW

26A. A68A-AAD8 - Start with 7 lives, player 2
26B. A68A-AADW

27A. BE8A-AAD8 - Start with 9 lives, player 2
27B. BE8A-AADW

28A. DE8A-AAD8 - Start with 25 lives, player 2
28B. DE8A-AADW

29A. GJ8A-AAD8 - Start with 50 lives, player 2
29B. GJ8A-AADW

30A. KN8A-AAD8 - Start with 75 lives, player 2
30B. KN8A-AADW

31A. NN8A-AAD8 - Start with 99 lives, player 2
31B. NN8A-AADW

32A. JXGA-CA7G - Infinite lives, player 2
32B. JXGA-CA7W

33A. KBVT-CAE2 - Jump lower
33B. KBVT-CAE2

34A. FVVT-CAE2 - Jump a little higher
34B. FVVT-CAE2

For codes 35 and 36, switch off if you get stuck somewhere or want to sink in water
35A. EBVT-CAE2 - Jump a lot higher
35B. EBVT-CAE2

36A. CBVT-CAE2 - Jump really high
36B. CBVT-CAE2

37A. A02T-CAF8 - Sonic stays invincible for a shorter time after getting hit
37B. A02T-CAGL

38A. 982T-CAF8 - Sonic stays invincible for a longer time after getting hit
38B. 982T-CAGL

39A. ALTA-CA8N - Sonic becomes invisible and invincible for the rest of the level after getting hit, must have at least one ring (switch off and then on to make Sonic visible)
39B. ALTA-CA82

40A. ALTA-CA9J - Once invincible(stars), Sonic stays Invincible for the rest of the level
40B. ALTA-CA9Y

41A. ATTT-CA4W - Sonic doesn't lose rings when hit
41B. ATTT-CA58

42A. ATTT-CA5G - Tails doesn't lose rings when hit
42B. ATTT-CA6W

43A. AH2T-CAH6 - Sonic needs only 1 ring instead of 50 to enter special stage after touching a star post
43B. AH2T-CAHN

With codes 44 through 57, the counter doesn't show the extra rings, but you do get them
44A. SBJA-HJWJ - Rings worth 2 in special stages, Sonic
44B. SBJA-HJV2

45A. SBJA-HNWJ - Rings worth 3 in special stages, Sonic
45B. SBJA-HNV2

46A. SBJA-HTWJ - Rings worth 4 in special stages, Sonic
46B. SBJA-HTV2

47A. SBJA-HYWJ - Rings worth 5 in special stages, Sonic
47B. SBJA-HYV2

48A. SBJA-H2WJ - Rings worth 6 in special stages, Sonic
48B. SBJA-H2V2

49A. SBJA-H6WJ - Rings worth 7 in special stages, Sonic
49B. SBJA-H6V2

50A. SBJA-HAWJ - Rings worth 8 in special stages, Sonic
50B. SBJA-HAV2

51A. SBJA-HJWR - Rings worth 2 in special stages, Tails
51B. SBJA-HJV8

52A. SBJA-HNWR - Rings worth 3 in special stages, Tails
52B. SBJA-HNV8

53A. SBJA-HTWR - Rings worth 4 in special stages, Tails
53B. SBJA-HTV8

54A. SBJA-HYWR - Rings worth 5 in special stages, Tails
54B. SBJA-HYV8

55A. SBJA-H2WR - Rings worth 6 in special stages, Tails
55B. SBJA-H2V8

56A. SBJA-H6WR - Rings worth 7 in special stages, Tails
56B. SBJA-H6V8

57A. SBJA-HAWR - Rings worth 8 in special stages, Tails
57B. SBJA-HAV8

For codes 58 through 64, don't grab more chaos emeralds than the amount you need
58A. ACZT-CACA - Need 0 chaos emeralds to become Super Sonic(in addition to rings)
58B. ACZT-CACN

59A. AGZT-CACA - Need 1 Chaos Emerald to become Super Sonic(in addition to rings)
59B. AGZT-CACN

60A. ALZT-CACA - Need 2 chaos emeralds to become Super Sonic(in addition to rings)
60B. ALZT-CACN

61A. ARZT-CACA - Need 3 chaos emeralds to become Super Sonic(in addition to rings)
61B. ARZT-CACN

62A. AWZT-CACA - Need 4 chaos emeralds to become Super Sonic(in addition to rings)
62B. AWZT-CACN

63A. A0ZT-CACA - Need 5 chaos emeralds to become Super Sonic(in addition to rings)
63B. A0ZT-CACN

64A. A4ZT-CACA - Need 6 chaos emeralds to become Super Sonic(in addition to rings)
64B. A4ZT-CACN

65A. AGZT-CACJ + K4ZT-CA9N - Need 1 ring to become Super Sonic(in addition to chaos emeralds), don't lose rings with time
65B. AGZT-CACY+ K4ZT-CA92

66A. A0ZT-CACJ - Need 5 rings to become Super Sonic(in addition to chaos emeralds)
66B. A0ZT-CACY

67A. BLZT-CACJ - Need 10 rings to become Super Sonic(in addition to chaos emeralds)
67B. BLZT-CACY

68A. DGZT-CACJ - Need 25 rings to become Super Sonic(in addition to chaos emeralds)
68B. DGZT-CACY

69A. FCZT-CACJ - Need 40 rings to become Super Sonic(in addition to chaos emeralds)
69B. FCZT-CACY

70A. K4ZT-CA9N - Super Sonic doesn't lose rings with time
70B. K4ZT-CA92

71A. RE8A-A60W - Level select menu, at title screen, hold down A while pressing start
71B. RE8A-A60G

72A. 2VAT-BCRN - Start most levels with some rings, 1-player game only(number of rings varies with stage, and you can still lose rings).
72B 2VAT-BCRA