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Archived App
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
Compete in a skill-based card game where players aim for the highest score by strategically clearing columns. Practice for free with virtual currency or wager it in head-to-head challenges.
✓Player vs player challenges
✓Score-based gameplay
✓Virtual currency for practice
✓Fair competition with shuffled cards
✓Time-based challenges
✓Bonus points for streaks and speed
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What's New in x21 Jack
1.1.4
November 14, 2022
User reviews
Developer apps
FAQ
What is x21 Jack?
x21 Jack is a competitive card game where players aim to achieve the highest score by clearing columns. It offers both free-to-play modes with virtual currency and cash gaming options.
How does x21 Jack ensure fair play?
Each challenge uses a random card generation, and all competing players in the same challenge receive the same shuffled deck, ensuring a fair competition.
What are the rules for submitting a score in x21 Jack?
You have 60 minutes from the start of a challenge to submit your score. Pausing or forcing the app into the background stops the timer. Closing the application during a turn will result in a forfeit.
Can I practice x21 Jack before playing for real?
Yes, you can play games for free using xCoins. These xCoins can be claimed for free in the Rewards Section and then wagered in the Play Section.
What happens if I go over 21 in x21 Jack?
If a column's total exceeds 21, it will be 'Busted'. You can only bust 3 times before the game ends.
Are there any special cards in x21 Jack?
Yes, a black jack acts as a wild card and can clear any column. Additionally, placing 5 cards in a row that total under 21 will also clear a column.
Does x21 Jack offer bonus points?
x21 Jack offers bonus points for streaks, clearing the entire board, and for completing the game quickly. A Time Bonus is also awarded based on remaining time and game progress.
What platforms is x21 Jack available on?
x21 Jack is available on iPhone, iPad, and iPod devices.
