Hey man, feedback time
I'd personally suggest adding a commentary, a lot of viewers get kinda bored after a few minutes if there isn't a commentary. I can personally only watch for a minute or two because the gameplay is all the same. That doesn't mean it's bad or anything, just predictable. Adding commentary about a topic you choose beforehand, or even just doing a live commentary would drastically increase the amount of time I would be watching your video.
Thumbnails, Now I get lazy and don't add thumbnails sometimes, but don't be me xD Add thumbnails to all your videos! It makes it look waaaay more appealing if I see your video on youtube
I hope my feedback helps, keep up the good work! Already at 42 subs!