It is possible that he is focusing on the game as a way of avoiding the reality.
He would have to want to get help. It sounds that you are encouraging him to do so.
A site that he may want to explore is http://www.financialsocialwork.com/
While he is still employed he could try to use the EAP benefits to get some free counseling. You may offer to go with him to an appointment for support. Just continue to let him know that you are concern and that you would rather see him confront the issues than avoid them.