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The Kokorokon Cosplay Contest is Saturday’s premiere costuming event! Come cheer on your friends and family or become part of the show! Participants will showcase their craftsmanship skills from many genres of costuming or their unique designs and performances for all to see! 


KokoroKon is dedicated to providing a safe and fun environment for all fans. All rules and regulations are written with that goal in mind while also maintaining all the guidelines necessitated by our gracious venue and the city of Maryland Heights. We appreciate your cooperation in this.


Official rules for entree may be found to the right, as well as the sign-up form. Guest judges and prize information may be found below!

Kokorokon Cosplay and Masquerade Rules

Questions about cosplaying at Kokorokon? Email or Discord us!

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We also have a hall costume contest on Friday and Saturday, information on that may also be found below.

Craftsmanship Categories


Novice Class

  1. At least 50% of the cosplay must be crafted by you.

  2. This is a category for people who have never competed before, or have competed only a few times but never won an award. 


Journeyman Class

  1. At least 60% of the cosplay must be crafted by you. 

  2. This is a category for people who have competed several times or have won minor awards or novice category awards. 


Master Class

  1. At least 75% of the cosplay must be crafted by you. 

  2. This is a category for people who have competed many times before or have won major awards including Best-in-Show or Journeyman or Master Class category awards.


Exhibition Categories



  1. This is a category for people who have upcycled items or altered pieces in order to create a cosplay masterpiece! 


  1. At least 50% of the costume must be made from pieces that have been upcycled (thrifted or used in a new way) or altered (changed in some way.) 


Original Character (OC) Cosplay


  1. We love seeing everyone’s unique and amazing ideas! This category is for original character designs from any fandom!


  1. At least 50% of the cosplay must be made or altered (changed in some way).  


Group/Performance Cosplay

  1. This category is for those that love to strut their stuff on stage with their friends! 


  1. At least 50% of each cosplay in this category must be upcycled (thrifted or used in a new way), altered (changed in some way), or made.


  1. Group entrants are limited to no more than 6 entrants.  


Children’s Category

  1. We love seeing young cosplayers get inspired and they deserve to be appreciated on stage! This category is for anyone 12 years of age or younger at the time of the contest that would like to participate! 


  1. A handler 18 years of age or older must be present behind the stage for all entrants under the age of 13. 

Walk-On Category 

  1. This is a category for anyone who would like to show off their cosplay on stage but does not enjoy the competitive side of cosplay!


  1. This category is not eligible for any awards. 


  1. This category will only be included if time allows. Entry into this category does NOT guarantee the opportunity to walk on stage. 

Guest Judges

Kokorokon invites anywhere from 2-5 cosplay guests each year. These guest judges will help determine the winners of the masquerade!

Learn more about each guest by clicking on the image to the right. 

Hall Costume Contest

The hall costume contest is a free event for badge holders to enter on both Friday and Saturday! It's a no-stress contest where all you have to do is stop by ConOps to have your photo taken and a little information so we can get in contact with you should you win. That's it! Easy right?

Friday times:


Saturday times:


Categories to win under


Adult Cosplay

Child Cosplay


Adult Cosplay

Child Cosplay

Prizes to win

  1. Trophy

  2. Free badge to next years Kokorokon!

DISCLAIMERS AND MEDIA RELEASE: By entering the Kokorokon Cosplay Masquerade or hall costume contest contestants agree to allow video recording and photography of their costumes, which may be used in future promotions of Kokorokon that may be uncredited. All captured materials become the property of Kokorokon. Acquired materials may be used in social media, news outlets, youtube, and other marketing materials not specified without informing the contestant. By participating in the Kokorokon Masquerade or hall costume contest in any capacity, you are agreeing to allow your image to be used for these purposes and release Kokorocon from all liability. By entering the Kokorokon Cosplay Masquerade or hall costume contest contestants understand that the published contest awards may be adjusted, changed, or withheld pending complaint resolution or for any reason deemed appropriate by the contest administrators.

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