Contra: Hard Corps - All Bosses [No Deaths/No Power-Ups]

All Bosses List:

[00:00:00] 1. Four-legged Robot
[00:00:17] 2. Maximum Jumbo
[00:00:59] 3. Powered Ninja Murasame
[00:02:46] 4. Highway Spider
[00:03:34] 5. Small Battleship
[00:04:07] 6. High Mobility Tracking Robot
[00:06:06] 7. Dustman
[00:06:45] 8. Simondo Belmont
[00:07:37] 9. Psycho Mother
[00:08:02] 10. Huge Face
[00:08:28] 11. Taurus
[00:09:17] 12. Sagittarius
[00:09:40] 13. Gemini
[00:10:06] 14. Square Terror
[00:12:34] 15. Miyao Kappa
[00:13:26] 16. Aphex Twins
[00:14:46] 17. Long Hand Guy
[00:19:04] 18. Dr. Geo Mandrake
[00:24:08] 19. Gebolien
[00:24:56] 20. Java Kimkoh
[00:26:03] 21. Mother Alien
[00:28:09] 22. Alien Heart
[00:30:00] 23. Mach 777
[00:31:52] 24. Big Magnum
[00:35:56] 25. Small Tank
[00:36:43] 26. Rocket Ninja
[00:37:34] 27. Wonderbird
[00:37:58] 28. Huge Robot
[00:40:06] 29. Pulley Gunner Bros
[00:40:56] 30. Final Count Gun
[00:41:47] 31. Yokozuna
[00:43:53] 32. Crab The Joe
[00:46:25] 33. Dr. Spider
[00:47:59] 34. Bahamut Overdrive
[00:51:58] 35. Takedda Robot
[00:57:20] 36. Gymnastics Soldier Team
[00:58:26] 37. Colonel Bahamut
[01:00:06] 38. Deadeye Joe
[01:01:00] 39. Alien Mounted Missile
[01:04:08] Ending

90% of the game is fighting bosses.