Four21: 21 Card Puzzle Game
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Everyone
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1+
Downloads
Everyone
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About this game
Four21 is a fast and strategic card puzzle game built around one simple goal: make exactly 21.
Play cards onto four active stacks, choose carefully, and keep the game going as long as possible. Every decision matters. Reach exactly 21 to clear a stack and score points. Go over 21 and you lose a life.
HOW TO PLAY
• Play each card onto one of four stacks.
• Number cards count at face value.
• Face cards count as 10.
• Aces automatically count as 11 or 1.
• Reach exactly 21 to clear a stack and score.
• Go over 21 and lose a life.
• Lose all four lives and the run is over.
ENDLESS CARD PUZZLE
Four21 has no fixed levels and no time limit. The deck keeps moving, cleared cards return to play, and every run develops differently.
The next card is always visible, so success comes from planning ahead rather than relying only on luck.
SCORE HIGHER
Build your score by repeatedly hitting 21 and keeping your run alive.
Fast decisions can earn additional speed bonus points, while the improved score display makes every point and bonus easy to follow.
PLAY YOUR WAY
• Quick rounds or longer high-score runs
• Simple rules with increasing strategic pressure
• Smooth card animations
• Online leaderboard with Google Play Games
• English, German and Spanish language support
Four21 combines elements of a classic card game, number puzzle and endless strategy game in a compact format designed for short sessions and long high-score runs.
How long can you keep all four stacks under control?
Play cards onto four active stacks, choose carefully, and keep the game going as long as possible. Every decision matters. Reach exactly 21 to clear a stack and score points. Go over 21 and you lose a life.
HOW TO PLAY
• Play each card onto one of four stacks.
• Number cards count at face value.
• Face cards count as 10.
• Aces automatically count as 11 or 1.
• Reach exactly 21 to clear a stack and score.
• Go over 21 and lose a life.
• Lose all four lives and the run is over.
ENDLESS CARD PUZZLE
Four21 has no fixed levels and no time limit. The deck keeps moving, cleared cards return to play, and every run develops differently.
The next card is always visible, so success comes from planning ahead rather than relying only on luck.
SCORE HIGHER
Build your score by repeatedly hitting 21 and keeping your run alive.
Fast decisions can earn additional speed bonus points, while the improved score display makes every point and bonus easy to follow.
PLAY YOUR WAY
• Quick rounds or longer high-score runs
• Simple rules with increasing strategic pressure
• Smooth card animations
• Online leaderboard with Google Play Games
• English, German and Spanish language support
Four21 combines elements of a classic card game, number puzzle and endless strategy game in a compact format designed for short sessions and long high-score runs.
How long can you keep all four stacks under control?
Build 21 across four stacks in a fast, endless card puzzle challenge.
Updated on
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- No data shared with third partiesLearn more about how developers declare sharing
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What’s new
• Improved score display
• New bonus points for fast play
• Smoother animations
• Added language support for German, English and Spanish
Everyone
Learn moreApp support
About the developer
Kevin Käfer
anfragen@teutoprint.de
Osnabrücker Str. 3
49525 Lengerich
Germany
+49 5481 9002875
