Quirky and Funny Dog Halloween Costumes for Sale. Sorry, but store bought costumes cannot be entered into the competition! Our Cosplay Competition requires handmade, original costumes. You are responsible for all expenses incurred in order to compete in Awesome Con’s Cosplay Competition. Here are some other important things to keep in mind when applying and creating your cosplay! Please be sure to have also read through our Weapons and Cosplay Policies before you submit your application.