Thirty-One

By: Ko-chan Studio.

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

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:

Version:

1.0.2 Last updated: 2026-02-15

Version code:

1020

Creation date:

2025-12-20

Publisher country:

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:

Source:

Google Play Store

Data ingested on:

2026-06-07

Compare stats and ranking:

Ranking

# 1,228,633 ▼ 3,197

For Developers

Monetize with App Pass Boost with Extension Booster

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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