Not really 80 games, but 31 games whose 14 come with variants for cheaters or people who want to start the game with a different stage.

01. Antartic Adventure
02. Road Fighter
03. Comic Bakery
04. Circus Charlie
05. Hyper Sports 1
06. Hyper Sports 2
07. Hyper Olympic 1
08. Hyper Olympic 2
09. Magical Tree
10. King's Valley
11. Yie Ar Kung-Fu
12. Konami's Ping-Pong
13. Pippols
14. King & Balloon
15. Road Fighter (begins with stage 2)
16. Circus Charlie (begins with stage 2)
17. Hyper Sports 1 (begins with stage 2 - long horse)
18. Hyper Sports 2 (begins with stage 2 - archery)
19. Hyper Olympic 1 (begins with stage 2 - long jump)
20. King's Valley (begins with stage 2)
21. King's Valley (begins with stage 3)
22. Yie Ar Kung-Fu (infinite lives)
23. Antartic Adventure (begins with stage 18)
24. Road Fighter (begins with stage 3)
25. Circus Charlie (begins with stage 3)
26. Hyper Sports 1 (begins with stage 3 - trampoline)
27. Hyper Sports 2 (begins with stage 3 - weight lifting)
28. Hyper Olympic 1 (begins with stage 3 - hammer throw)
29. Hyper Olympic 2 (begins with stage 2 - javelin throw)
30. Magical Tree (infinite lives)
31. King's Valley (begins with stage 5)
32. Tank Battalion (begins with stage 3 without walls)
33. Road Fighter (begins with stage 4)
34. Circus Charlie (begins with stage 4)
35. Hyper Sports 1 (begins with stage 4 - horizontal bar)
36. Hyper Olympic 1 (begins with stage 4 - 400 meter dash)
37. Hyper Olympic 2 (begins with stage 3 - high jump 1)
38. King's Valley (begins with stage 6)
39. Circus Charlie (begins with stage 5)
40. Pippols (99 lives)
41. Cabbage Patch Kids
42. Konami's Tennis
43. Sky Jaguar
44. Mopiranger
45. Konami's Golf
46. Konami's Baseball
47. Bosconian
48. Bomber Man
49. Exerion
50. Road Fighter (begins with stage 5)
51. Tank Battalion (begins with stage 23)
52. Tank Battalion 
53. Pooyan
54. Galaxian
55. Poppaq The Fish - Bogle Bogle
56. Rally-X
57. Galaga
58. Hyper Rally
59. Dig Dug
60. Comic Bakery (infinite lives)
61. Cabbage Patch Kids (54 lives)
62. King's Valley (begins with stage 7)
63. King's Valley (begins with stage 8)
64. Tank Battalion (begins with stage 5)
65. King's Valley (begins with stage 10)
66. King's Valley (begins with stage 11)
67. Tank Battalion (begins with stage 7 without walls)
68. King's Valley (begins with stage 12)
69. Tank Battalion (begins with stage 9)
70. King's Valley (begins with stage 13)
71. Tank Battalion (begins with stage 11 without walls)
72. King's Valley (54 lives)
73. Tank Battalion (begins with stage 13)
74. Road Fighter (begins with stage 6)
75. Tank Battalion (begins with stage 15 without walls)
76. Tank Battalion (begins with stage 11)
77. Tank Battalion (begins with stage 13 without walls)
78. Tank Battalion (begins with stage 15)
79. Tank Battalion (begins with stage 17 without walls)
80. Tank Battalion (begins with stage 20)