Card Operation Rush
Shuffle a fresh, full deck—then race the timer to craft an equation that lands exactly on the target number.
Your only tools: the four cards dealt face-down (A – K → 1 – 13) and the classic operators + – × ÷.
How to play
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Click Start (30 / 60 / 120 s). Cards flip over one by one.
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Build an expression by clicking cards & operator buttons or typing:
• Digits 1-9, 10-13 • A J Q K ←→ 1 11 12 13
• Operators + - * / • ( ) for grouping -
Press = / Enter. Use ⌫ / Delete to undo last token, Shift+Delete to clear all.
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Every correct answer flips a new hand instantly—rack up as many solves as you can before the buzzer!
Features
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✦ Left-to-right reveal: slick flip animation with crisp SFX.
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✦ Smart keyboard input (10–13, A/J/Q/K aliases, live backspace).
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✦ Factor-weighted targets: expect tasty numbers like 24, 30, 36 more often than primes.
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✦ Dynamic score screen and one-click Retry.
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✦ Alert beeps & red flash at 30 s, 15 s, 10 s, 5 s.
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✦ Toggle between numeric cards or A J Q K faces.
Controls summary
Action | Mouse / Touch | Keyboard |
---|---|---|
Use card / operator | Click | Digit / +-*/() |
Backspace last token | ⌫ button | Delete |
Clear expression | Clear button | Shift + Delete |
Submit | = button | Enter |
Start / Retry | Buttons | — |
Designed for quick browser play—no installs, no ads, pure puzzle adrenaline.
How many puzzles can you crack before time runs out?
Built in Unity — code & art by TeamXZ
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