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Android Apps > Card > Stack 21: Card Puzzle
Stack 21: Card Puzzle icon

Stack 21: Card Puzzle

by GAMOSTAR · Card · Free
On Google Play since September 2026 · Data updated 2026-10-29

Stack 21: Card Puzzle is made and published by GAMOSTAR. AppBrain is an independent app data site and isn't affiliated with GAMOSTAR. The app name, icon, screenshots and description belong to GAMOSTAR and are shown as published on Google Play.

AppBrain's verdict

NewNiche
Installs
5
Last updated
September 27, 2026
Ads
Contains ads
Size
38.0 MB

Stack 21: Card Puzzle came out 35 days ago. It is a niche app, with 5 installs. It doesn't have enough ratings yet to judge what users think.

Official page on Google Play

User feedback

Ratings and reviews on Google Play

Comments on Stack 21: Card Puzzle for Android

We don't have enough comments to show example comments. Please check back later.

Store listing

By GAMOSTAR, from Google Play

“Stack the cards, make 21, clear the deck and chase your highest score!”

Stack 21: Card Puzzle Screenshot 1 of 4
Stack 21: Card Puzzle Screenshot 2 of 4
Stack 21: Card Puzzle Screenshot 3 of 4
Stack 21: Card Puzzle Screenshot 4 of 4
Screenshots by GAMOSTAR, from the Google Play listing
Description by GAMOSTAR Written by the developer, not by AppBrain. Click to read.
Welcome to Stack 21, a fast and easy-to-learn card puzzle game built around one simple challenge: arrange your cards strategically and make 21.

Every card can change your game. Choose the right stack, plan your next move and try to keep the board under control while building toward 21.

HOW TO PLAY
• Pick a card
• Place it in the right stack
• Build the stack toward 21
• Make 21 to clear the stack
• Keep playing and increase your score
• Challenge yourself to beat your best score

WHY PLAY STACK 21?
Simple to Learn
Start playing within seconds.

Strategic Card Gameplay
Think before placing each card and find the best move.

Quick Games
Perfect for short gaming sessions.

Score Challenge
Keep improving and try to set a new personal best.

Clean Card Puzzle Experience
A straightforward card game focused on skill, strategy and fun.

Can you master the stacks and make 21 again and again?

Download Stack 21 and start stacking! Stack. Match. Make 21!

Recent changes:
New Game
Official page on Google Play

Safety and technology

Found in the app by AppBrain
Ads
Contains ads
Price
Free
Libraries
?
App size
38.0 MB
Content rating
Everyone

Technologies used by Stack 21: Card Puzzle

9 permissions
Subscribe to see full permission and library details

Releases

Updates seen on Google Play
Version
1.0
Launched
September 2026
  • Sep 27, 2026New AppVersion 1.0 in CARD for Free
Show all changes Show fewer

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Installs

Tracked by AppBrain
Last 30 days
0
Play install range
5+
Launched
September 2026

Installs over time

Stack 21: Card Puzzle has been installed 5 times. Over the past 30 days, it has been installed 0 times.

Rankings

Google Play top charts

Google Play Rankings for Stack 21: Card Puzzle

This app is not ranked

About the app and developer

About Stack 21: Card Puzzle

Stack 21: Card Puzzle is a card app developed by GAMOSTAR.

How many times has Stack 21: Card Puzzle been installed?

Stack 21: Card Puzzle has been installed 5 times. In the last 30 days, the app was installed 0 times.

What is the rating of Stack 21: Card Puzzle?

Stack 21: Card Puzzle has no ratings yet.

Is Stack 21: Card Puzzle free?

Stack 21: Card Puzzle is free. The app size is 38.02 MB. The latest version available is 1.0. The last update was on September 27, 2026.

What are the requirements for Stack 21: Card Puzzle?

The app has a content rating of Everyone. The app has been available on Google Play since September 2026.

App Performance Report

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Developer information for GAMOSTAR

GAMOSTAR

app@gamostar.com

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Overview Alternatives History Reviews Rankings Technology
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