Features & Capabilities

Thirty-One evolved! Strategize against unique AI rivals in the smoothest play environment yet. Can you score the perfect 31-point Blitz and outsmart the elite CPU Master?

"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!"

User Growth & Download Statistics

App
By:
Koichi Iwasaki
Version:
1.0.1 Last updated: 2026-02-20
Version code:
882624195
Creation date:
2025-12-30
Compatible devices:
Size:
100.80MB
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Apple Apps Store
Data ingested on:
2026-06-07
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.
Developed by:
Koichi Iwasaki
Apple Apps Store
https://apps.apple.com/jp/app/thirty-one/id6756990237?l=en-US
Website:
https://kohchanstudio.github.io/

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