hahahah dude! Seriously you dont need any tips, bcz ur channel is super duper amazing, ur trailer is fantastic haha!
Anyway the tips are
1. Be consistent (yes you are consistent)
2. Make awesome thumbnails (you already have great thumbnails)
3. Have an awesome audio quality (your audio is already great)
4. Have great niche ( i guess u have it already)
5. Promote your channel on FB groups and pages
6. Make awesome banner (you already have)
7. Make different kind of videos (game reviews and commentary)
8. Play different games for wide variety videos
(I guess u are already doing that)
9. Do Q and A (very important, it helps the viewers to stay connected to u)
10. Collab with other gamers