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Tier 0 · Absolute Beginner

Number Guessing Game

Build a number guessing game in JavaScript — random numbers, loops, and terminal input with readline.

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Pick your language

The same project, implemented from scratch in each language. Same logic, different syntax — the best way to truly understand a language.

Each version teaches the same core idea — pick the one that matches what you want to learn. New languages and variants are added continuously.

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