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Publishing KallanCop on Google Play
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Mobile & Games5 min read

Publishing KallanCop on Google Play

How I designed, built, and published KallanCop — an offline multiplayer social deduction game — on the Google Play Store using Flutter and Dart.

Muhammed Ajmal U K
Muhammed Ajmal U KFull-Stack AI Developer • MCA at CET

KallanCop started as a simple question: could the classic 'Cops and Robbers' playground game work as a party game on a single phone? The answer became an offline multiplayer social deduction game, published on the Google Play Store — my first product to go through a full store review and release process.

#Why Offline-First Was the Right Call

Party games live or die by friction. Requiring accounts, servers, or even an internet connection would have killed the spontaneity of passing one phone around a group. Keeping everything local — role assignment, game state, turn logic — meant the game works anywhere, instantly, with zero setup.

#Designing Hidden Roles

  • Cop, Thief, and Kingpin roles with asymmetric information and objectives
  • Quick rounds tuned for social gatherings rather than long sessions
  • Simple interactions so new players learn the game in one round
  • Animations and feedback that keep tension high without slowing play

#What the Play Store Process Taught Me

Publishing is a product skill, not just a technical one. Preparing the store listing, feature graphics, and screenshots forced me to articulate what makes the game fun in a single screen. Iterating on playtesting feedback to balance role abilities taught me more about game design than any tutorial could.

#Key Takeaways

  • Flutter let me move from prototype to published product as a solo developer
  • Offline-first design removed every barrier to playing
  • The store listing is part of the product — treat it with the same care as the code
  • Shipping a real product, even a small one, teaches more than a dozen unfinished projects
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Muhammed Ajmal U K
Written by

Muhammed Ajmal U K

MCA student at College of Engineering Trivandrum (CET) and Full-Stack AI Developer from Kerala, India. Creator of ToolPix AI, KallanCop, and DVMA.