Fresh from a drag performance featuring a gender-swapped Mario and Princess Peach chasing each other around on stage, after watching a burlesque performer disrobe to the Tetris theme, I am standing at the bar waiting for a drink, surrounded by people in fabulous outfits. Famous drag queen Asstina Mandella is here in a stunning dress; I am in a purple bisexual-colours suit and I still feel somewhat underdressed for the occasion. I am not used to this at video games events – back in the 00s, it was mostly men in black T-shirts with logos on them, and I was one of about three women in the room. But this…