Our challenges

Caesar Cypher Decryption

🗣️

Try to guess a secret message encrypted with a Caesar Cipher to train your deductive logic and cryptanalysis skills.

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Mental Math

🧮

Sharpen your mental math skills with a variety of engaging arithmetic challenges.

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Typing Speed

⌨️

Measure and improve your typing speed and accuracy.

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Reaction Time

Test your reaction time in milliseconds with this simple and fun challenge.

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Timing & Anticipation

⏱️

Test your timing and anticipation skills with out free loading bar game.

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Password Memorization

🔑

Test your mnemonic skills by trying to remember random passwords

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Stroop Effect

🌈

Test your mental flexibility and attention with our online Stroop effect test.

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Binary Conversion

💽

Test your binary system knowledge with decimal-to-binary and binary-to-decimal conversion.

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Vision Accuracy

👓

Test you vision accuracy with an unofficial measurement.

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