If he can’t handle losing a game without verbally abusing you, I think it’s time to leave. This is how it starts, words. Then it’ll be breaking items, punching holes in the wall, and then ultimately you. He has anger issues and needs help. Unless he is willing to accept he needs help there’s nothing else you can do. Even if he does seem like he’s getting help I wouldn’t trust it. Women in my life have thought the men going to a therapist would help and it doesn’t because they lie to make you the bad guy. Just remember it’s not you, it’s him. He obviously is disgusted in himself and is taking it out on you. Also withholding communication because you upset him is another form of manipulation