So I've been to PAX once before. My first time was back in 2011 at Pax Prime (Pax west) and I generally enjoyed the experience. There was tons of awesome "SWAG" and it was fun playing the beta versions of the games. But, it was also somewhat awkward as I was alone and didn't know anyone. I'm not good at socializing. In fact, I have social anxiety. I couldn't even gather the courage to ask cosplayers who were wearing these amazing works of art if I could take a picture of/with them. I even snuck in a photo without consent because I didn't know how to ask(that's bad of me, I know). But anyways, I've stayed away from PAX (its the only con I go to) because I feel sad telling people that I go by myself. I'm a huge gaming nerd but didn't really make friends from gaming on the internet and I definitely have no one IRL.
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The key is to know that you have a common interest and build from there.
I know it can be hard to strike up conversations with perfect strangers. Although, I have found it is easier to interact with people I know I will never see again (think I won't see again, because sometimes you end up spending 18 hours over three days with someone out of pure chance) than with minor acquaintances. This forum is a great way to begin interacting with other PAX goers. And, if you feel comfortable with it, go to some of the community events next year and put names to faces. I now have more than a few IRL friends that I met through the forums.
Long story short: It is totally okay to go to PAX solo.
"Brilliant! Oh wait, if we were meant to fly, we would have been born with little bags of nuts."
Rhea you just need to play games with the rest of us locals