# Stack 21: Card Puzzle

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

Canonical page: [https://chrome-stats.com/d/com.gamostar.stack21](https://chrome-stats.com/d/com.gamostar.stack21)

## Overview

- **ID:** `com.gamostar.stack21`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** GAMOSTAR
- **Category:** GAME\_CARD
- **Downloads:** 9
- **Version:** 1.0
- **Last updated:** 2026-09-28
- **First published:** 2026-09-27
- **Publisher country:** IN
- **Size:** 50 MB
- **Data as of:** 2026-11-05
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.gamostar.stack21)
- **Website:** [https://gamostar.com](https://gamostar.com/)
- **Privacy policy:** [https://gamostar.com/privacy-policy](https://gamostar.com/privacy-policy)

## Description

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.<br><br>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.<br><br>HOW TO PLAY<br>• Pick a card<br>• Place it in the right stack<br>• Build the stack toward 21<br>• Make 21 to clear the stack<br>• Keep playing and increase your score<br>• Challenge yourself to beat your best score<br><br>WHY PLAY STACK 21?<br>Simple to Learn<br>Start playing within seconds.<br><br>Strategic Card Gameplay<br>Think before placing each card and find the best move.<br><br>Quick Games<br>Perfect for short gaming sessions.<br><br>Score Challenge<br>Keep improving and try to set a new personal best.<br><br>Clean Card Puzzle Experience<br>A straightforward card game focused on skill, strategy and fun.<br><br>Can you master the stacks and make 21 again and again?<br><br>Download Stack 21 and start stacking! Stack. Match. Make 21!

## Rankings

- #2,914,498 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.READ_BASIC_PHONE_STATE`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.gamostar.stack21.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.google.android.gms.permission.AD_ID`

## Similar extensions and apps

- [Four21: 21 Card Puzzle Game](https://chrome-stats.com/d/de.mykaefer.four21) — 2 users
- [Cards 21 - Puzzle Card Game](https://chrome-stats.com/d/com.freakx.cards21) — 37,631 users, 3.63 / 5
- [Aced 21: Card Number Puzzle](https://chrome-stats.com/d/com.kailok.aced21) — 2 users
- [Stacky Cards](https://chrome-stats.com/d/com.Wagoon.StackyCards) — 228 users
- [Four Stacks: Card Puzzle](https://chrome-stats.com/d/com.stackshiftgames.fourstacks) — 20 users
- [Card Stacks](https://chrome-stats.com/d/com.clapclap.cardstacks) — 461 users
- [Card Stack Challenge](https://chrome-stats.com/d/com.stake.cardd.sportgame)
- [Playing Card Stack](https://chrome-stats.com/d/com.gamesome.playingcardstack) — 26 users
- [21 Rush - Ultimate Card Game](https://chrome-stats.com/d/com.chennaigames.rush21.blackjack) — 7,124 users
- [Blackjack Stars - Card Puzzle](https://chrome-stats.com/d/gg.dolly.blackjack) — 1,296 users, 4.67 / 5
- [Puzzle 21 Blackjack Solitaire](https://chrome-stats.com/d/com.jeffreylaird.puzzletaire) — 12,737 users, 4.47 / 5
- [Card Stack: Hidden Cards](https://chrome-stats.com/d/com.card.push.stacksort) — 155 users

---

Source: [Chrome-Stats](https://chrome-stats.com/d/com.gamostar.stack21)
