Thirty-One Android

Thirty-One

Play 31: The classic card game! Simple rules, deep strategy. Outsmart the AI.
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Features & Capabilities

"Simple yet deep! The classic card game ""31 (Thirty-One)"" is now available as an app! Experience thrilling tactics as you try to get your hand total as close to 31 as possible. The rules are simple, but winning requires real strategy. From beginners to pros, this is the definitive card game for everyone.

◆ Face off against unique rivals! Challenge six distinct characters, each with their own playstyle:

Newbie: A beginner whose unpredictable moves might surprise you.
Aggressor: A bold player who loves to ""Knock"" early.
Tactician: A strategist who calculates maximum efficiency.
Stoic: A steady player who prioritizes not losing above all else.
CPU Master: The ultimate AI that calculates every probability.

◆ Customize the rules your way! Fine-tune the game settings to match your favorite playstyle:
Should Aces (A) count as 11 points?
Should Three-of-a-Kind count as 30.5 points?
Will you allow ""Blitz"" or ""Sweep""?
Use your best strategy to defeat the ultimate CPU Master!"

User Growth & Download Statistics

Game
By:
Ko-chan Studio.
Downloads:
647 6
Version:
1.0.2 Last updated: 2026-02-15
Version code:
1020
Creation date:
2025-12-20
Publisher country:
JP JP
Permissions:
  • com.google.android.gms.permission.AD_ID Moderate risk
  • android.permission.ACCESS_ADSERVICES_AD_ID Low risk
  • android.permission.ACCESS_ADSERVICES_ATTRIBUTION Low risk
  • android.permission.ACCESS_ADSERVICES_TOPICS Low risk
  • android.permission.FOREGROUND_SERVICE Low risk
  • android.permission.INTERNET Low risk
  • android.permission.WAKE_LOCK Low risk
  • android.permission.ACCESS_NETWORK_STATE Safe
  • com.android.vending.CHECK_LICENSE Safe
  • com.KohchanStudio.Thirtyone.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Size:
56.52MB
Email:
ko*****@gmail.com
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Google Play Store
Data ingested on:
2026-06-07
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Android app. Please use these information below to contact the Android app developer.
Developed by:
Ko-chan Studio.
Google Play Store
https://play.google.com/store/apps/details?id=com.KohchanStudio.Thirtyone
Email:
ko*****@gmail.com
Website:
https://kohchanstudio.github.io/

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