Cassel Games
Based in Seoul, Republic of Korea

Release date:
November 2019


Window, Mac




Ratropolis is a Real-time card game that uses cards to defend a rat's city against enemies. You must defend your upcoming enemies with quick judgment and swiftness. Build your OWN Ratropolis with various cards that you can get from playing the game. 


Cassel Games is an indie game dev team made up of students from Sogang game school in South Korea. We've been hard at work on our debut project, Ratropolis.


  • Cute rats are protagonists instead of feral cats.
  • Time is also a resource. Real-time deck building card game.
  • Highly engaging game that requires quick judgment and response from players.
  • Various random elements gives a new experience to each rounds.
  • Short play times make game intense, and unlockable elements make player stronger after each play.
  • 4+ different leaders! Each with their own style and traits.
  • 120+ unique cards

Awards & Recognition

  • "Best Project" Nexon Dream Members, 2018
  • "Gold Prize in Bachelor catagory" Global Indie Game Development Contest, 2018
  • "Korean Game Academy Award" Global Game Challange Awards, 2018
  • "Nominated for Best Student" MWU Korea Awards, 2019
  • "2nd place" New Gyeonggi Game Audition, 2019
  • "Rising Star Award" Busan Indie Connect Festival, 2019

Ratropolis Credit

  • SungJin Hwang
    Game Director, Cassel Games

  • SunWoong Lee
    Programmer, Cassel Games

  • MinSu Kim
    Concept & Background Artist, Cassel Games

  • GaYeon Ham
    Card & Event Artist, Cassel Games

  • JunHyeok Park
    Animator, Cassel Games

  • TaeGyung Yeon
    Object Artist, Cassel Games

  • Remi Agullo
    Music Composer, Contributor

  • ChaeHo Sin
    Scenario Writter, Contributor