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Bulls and Cows Creator - Design Custom Number Games

Design custom number guessing challenges! Enter a secret number (3 to 6 digits), toggle duplicate digit allowances, set clues, specify the number of attempts allowed, and generate a secure encrypted shareable link.

Custom Code Lengths (3-6) Duplicate Digits Toggle Client-Side XOR Encryption
1

Enter Secret Number Code

Or suggest specific length:
Numbers 0-9 only. Length must be between 3 and 6 digits.
2

Allow Duplicate Digits?

Decide if repeating numbers are allowed in the code (e.g. "1122" instead of unique "1234"). Repeating digits increase logic difficulty significantly.

3

Add a Clue / Hint (Optional)

This hint text will be visible to players directly under the game board to guide their deduction.
4

Select Allowed Attempts

Adjust guess limits based on code complexity. Duplicates or long codes should have more attempts.

Custom Challenge
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📐 Code Length:4 Digits
💥 Duplicates: Disabled
❤️ Max Guesses: 10 attempts

Overview & Capabilities

Welcome to the Bulls and Cows Game Creator! Build custom number-guessing challenges for friends, family, or students. Select a secret code from 3 to 6 digits, specify if duplicate digits are allowed, choose the number of attempts, and generate a secure encrypted URL to share instantly.

Tutorial

How to Use

01
Enter a secret number (3 to 6 digits).
02
Provide an optional hint or clue text for players.
03
Select whether duplicate digits are allowed in the code.
04
Choose the maximum number of attempts allowed (3 to 15 guesses).
05
Click "Create Game & Get Link" to generate your encrypted puzzle URL.
06
Copy the generated link or share it directly via WhatsApp, Facebook, or Twitter.
Capabilities

Key Features

Custom Digit Lengths: Design secret codes ranging from 3 to 6 digits.
Duplicate Digits Toggle: Enable or disable repeating digits in your secret number.
Attempts Configurator: Set difficulty by choosing 3 to 15 allowed attempts.
Client-Side XOR Encryption: Obfuscates all parameters directly within the shareable URL.
Live Digit Preview: Dynamic visual slots render your secret number configuration instantly.
Integrated Share Drawer: Copy link button and quick social sharing triggers.
Applications

Common Use Cases

Math and logic exercises for students and kids.
Creating fun numeric riddles for friends and family.
Solo practice with specific digit configurations.
Interactive brain-teaser sharing on social platforms.
Guidance

Tips & Best Practices

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Using duplicate digits makes the game significantly harder for players!
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A 3-digit game is perfect for beginners, while a 6-digit code with duplicates challenges even logic pros.
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Give a descriptive hint to guide players if your number has a specific meaning (e.g., "Year of the first moon landing").
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Test play the game link yourself to ensure the difficulty and hints are exactly how you want them.
Ecosystem

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Answers

Frequently Asked Questions

Q How do players access my custom Bulls and Cows challenge?

Simply copy the generated challenge URL and send it to your friends. When they click the link, the game loads, decrypts your settings locally, and opens the play arena immediately in their browser.

Q Are my custom secret numbers saved on a server?

No! The creator obfuscates your code and parameters using a client-side XOR cipher. All data stays inside the URL query parameters, meaning 100% privacy and no server storage.

Q Can I test my own custom challenge before sharing?

Yes! After generating the link, click the "Test Play My Game" button at the bottom of the sharing drawer to open and play your custom puzzle in a new tab.