Need advice on my relationship

How do you feel about him? If he did start showing you more attention and affection would you want to stay or are you moved on too? If he cannot have mature discussions about your needs and care that is definitely not good and maybe he’s not ready to be in an adult relationship. Video games may be an addiction, but also there are ways to keep that and make you feel wanted. If you want to continue to work on relationship, maybe couples therapy with a neutral third party can help

You are by no means obligated to stick around in a relationship where you aren't happy... however have you tried playing a video game you like with him to maybe join him in his interest or explain that you aren't happy that he's spending so much time gaming and it's affecting your relationship and that if he wants to stay with you then he needs to show interest in your hobbies

If he cares about you he will accept that you're just not enjoying the relationship. I left a similar relationship for even lesser reasons this year and there's no hard feelings between us.

I used to experience that exact feeling too until I was completely shattered to the core from my last long term relationship that happened 5 years ago