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Last updated on: 2026-09-09
Android Apps > Card > Thirty-One
Thirty-One icon

Thirty-One

1.0.2
Ko-chan Studio.
0.00
0 reviews
500+
Downloads
Free

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

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500+ downloads
Download from Google Play Also on the App Store

About Thirty-One

Thirty-One is a card app developed by Ko-chan Studio..

Download Statistics

Thirty-One has been downloaded 680 times. In the last 30 days, the app was downloaded 7 times.

User Ratings

The app has no ratings yet.

App Information

Thirty-One is FREE to download. The APK download size is 47.68 MB. The latest version available is 1.0.2. The last update was on February 15, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on Google Play December 2025.

Description
"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!"

Recent changes:
Optimized CPU AI and decision-making logic.
Fixed a display bug during CPU actions.
Improved game flow and pacing.
Show more Show less

More data about Thirty-One

Price Free to download
Total downloads 680
Recent downloads 7
Rating No ratings
Ranking Not ranked
Version 1.0.2
APK size 47.7 MB
Number of libraries ?
Suitable for Everyone
Ads Contains ads

App Performance Report

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Also available on the App Store

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Downloads over time

Downloads over time
Subscribe to see download velocity and history

Thirty-One has been downloaded 680 times. Over the past 30 days, it has been downloaded 7 times.

Changelog of Thirty-One

Show changelog

Developer information for Ko-chan Studio.

Ko-chan Studio.

kohchan.studio.info@gmail.com

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Google Play Rankings for Thirty-One

This app is not ranked

Technologies used by Thirty-One

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Frequently asked questions about Thirty-One

Is Thirty-One free?

Yes. Thirty-One is free to download from Google Play.

Is Thirty-One still available?

Yes. Thirty-One is on Google Play, and the last update we saw was on February 15, 2026.

Does Thirty-One contain ads?

Yes. Google Play lists Thirty-One as containing ads.

How large is the Thirty-One APK?

The Thirty-One APK is 47.68 MB.

Is Thirty-One suitable for children?

Google Play rates the content of Thirty-One as suitable for everyone.

How many times has Thirty-One been downloaded?

Google Play lists 500+ downloads for Thirty-One.

Who made Thirty-One?

Thirty-One was developed by Ko-chan Studio.. It is listed in the card category on Google Play.

What are the best alternatives to Thirty-One?

People looking at Thirty-One also look at these card apps: Thirty One Deluxe (31, Blitz), Thirty one - 31 card game., Thirty One | 31, Thirty One | 31 Card Game, 31 Card Game Multiplayer.

Apps on sale Popular Card Games Top new apps Apps other people are watching Today's trending apps
Thirty One Deluxe (31, Blitz) icon Thirty One Deluxe (31, Blitz)
Thirty one - 31 card game. icon Thirty one - 31 card game.
Thirty One | 31 icon Thirty One | 31
Thirty One | 31 Card Game icon Thirty One | 31 Card Game
31 Card Game Multiplayer icon 31 Card Game Multiplayer
Card Rules+ - Card Game Guide icon Card Rules+ - Card Game Guide
21 Blitz : Card Game icon 21 Blitz : Card Game
Gin Rummy: Classic Card Game icon Gin Rummy: Classic Card Game

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