21 Blitz1.53
Publisher Description
Practice your classic Blackjack skills in a modern version of the card game.
Blackjack strategy at lightning speed!
21 Blitz blends blackjack strategy with quick thinking in a fast-paced race for the highest score. Every match challenges you to build 21s, create scoring streaks, and outplay your opponents before time runs out. Every decision matters as you balance speed and strategy.
How to Play
Build 21s and 5-card stacks for big points while managing all four hands at once. Clear stacks back-to-back to earn streak bonuses and keep track of the cards in the full deck to maximize your score.
Compete with Friends
Invite your friends, compete head-to-head, and see who can claim the top spot. Every game uses a full deck, rewarding smart decisions, careful card tracking, and skilled play.
Why You'll Love 21 Blitz
- Fast-paced competition
- Head-to-head matches with friends
- Strategic card tracking
- Rewarding streak bonuses
Download 21 Blitz today and see if you have what it takes to come out on top.
About 21 Blitz
The company that develops 21 Blitz is Tether Studios LLC. The latest version released by its developer is 1.53.
To install 21 Blitz on your Android device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-08-01 and was downloaded 67 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the 21 Blitz as malware as malware if the download link to com.tetherstudios.blitz21practice is broken.
How to install 21 Blitz on your Android device:
- Click on the Continue To App button on our website. This will redirect you to Google Play.
- Once the 21 Blitz is shown in the Google Play listing of your Android device, you can start its download and installation. Tap on the Install button located below the search bar and to the right of the app icon.
- A pop-up window with the permissions required by 21 Blitz will be shown. Click on Accept to continue the process.
- 21 Blitz will be downloaded onto your device, displaying a progress. Once the download completes, the installation will start and you'll get a notification after the installation is finished.
Program Details
System requirements
Download information
Pricing
Version History
version 1.53
posted on 2026-08-01
Bug fixes and optimizations.
version 1.01
posted on 2024-02-16
New performance optimizations and bug fixes
version 1.00
posted on 2021-04-16
Introducing 21 Blitz: Single Player
