If anyone's interested in learning the game, here are some other runs you could watch:

SPRO GAMING: 27m 47s (Start: 00:18 | "Top Secret": 28:05) on 2021/07/07:

Dariolino78 retrogaming: 28m 16s (Start: 00:00 | Top Secret: 28:38) on 2020/09/02:

Enjoy!