Thirty-One

1.0.1

Koichi Iwasaki

0.00

0 reviews

Free

Download from the App Store Android version

About Thirty-One

Thirty-One is an overall app developed by Koichi Iwasaki.

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Is Thirty-One free?

Thirty-One is free to download. The APK download size is 100.80 MB. The latest version available is 1.0.1. The last update was on February 20, 2026.

What are the requirements for Thirty-One?

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 nine 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!"

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More data about Thirty-One

Price	Free to download
Rating	No ratings
Ranking	Not ranked
Version	1.0.1
App download size	100.8 MB
Suitable for	Everyone

Alternative downloads for the Thirty-One app

Changelog of Thirty-One

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Developer information for Koichi Iwasaki

Koichi Iwasaki

Address:

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