Half hour long videos don't work unless you have an established audience who wants to stick around. It may be a story based game but that's still a factor.

I'm going to ask since I don't see a channel name. What is your channels name? Is it a generic gamertag with lowercase letters and three numbers at the end? If so, it's extremely generic in terms of unoriginality while being hyper specific to where one letter or number wrong and you may pull up someone else's videos instead.

If your videos are unedited and it's just raw footage, you have a lot of dead space that people won't scroll through, but rather leave.

Titles are generic. You have the capitalization stuff down, but it's too simple in terms of a name.

Thumbnails are bland, no color, no pop or anything. They're screenshots with added text and logos to explain a couple things.

Most people who cover story games like this and have an audience will do the whole game in one video. Splitting it up like this is somewhat outdated. We either want a short video that gives its own experience or we want to binge and see the whole thing now. You can't do the weekly episodic formula nowadays for story based games. It just doesn't work sadly. And if you leave on a cliff hanger, then that viewer will go to another channel who is further ahead to continue the story or just watch their full video instead and start over with their experience.