HELP....don't know what to do..

My boyfriend is a video game freak he stays on the game all day everyday. The only time he gets off is to take our kids to football practice or my son to school. Which i have the hardest time getting him up. He only gets maybe 3 to 4 hours of sleep a day. We have a 7 month old baby which he hardly helps me with. We also have 7 other children. I cook ,clean, get the kids in the shower ,bed ,get them ready for school just say i do everything. He does not help me out. I have spinal problems which is very hard for me to bend clean even carry my baby ect but i force myself to do everything because if i don't then nothing will get done. He does not understand that i need help and that he should stay off the game. He does not pay for nothing and I'm just tired of this life. We argue all the time and its because of the games. This is he's schedule he gets up take son to school cones home straight on the game. 2pm son is done school picks him up and go straight on the game till about 4 am everyday... I'm so tired of this life. I have told him that i will not pay for the internet if he does not limit his game time. He should be more of a father and not a kid..

Give me some advice please