What am I doing wrong on my YouTube gaming channel?

I have been on YouTube properly for about 4 months now and in that time I have learned a lot of new ways to edit and increase the quality of my videos. However, in this time I have gained very few subs (26 subs at this moment in time) and a mixed result of views on each of my videos. I appreciate all the people who have subbed to me and I try to respond to their comments either on the video or on one of their videos, but I'm looking around on other people's gaming YouTube channels and some have like over 200 subs due to 7 videos (that were the same quality than mine) within a month of being on YouTube. This has just led me to believe that I must be doing something wrong with my channel but I don't know what. I share my videos on social media like Facebook and twitter and I post my Minecraft videos on a forum.

Here's a link to my YouTube channel so you can take a look
https://www.youtube.com/channel/UCNwdpUYgv4FdoThdqnFv7AQ/feed

Thanks for any answers in advance

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