Not doing well at all.
April 9th you had:
16 topics
40 messages
58 members
April 17th you have:
24 topics
63 messages
76 members
So in eight days you have a net of:
8 topics
23 messages
18 members
The topic and message count increase is pathetic. You need to start posting like your life depends on it. Being a gaming niche, you are in a saturated market, and no one is going to go to your site and populate the forum for you, you need to do it, make people want to register and reply.