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Binary Blitz

Decode binary to decimal before the timer runs out. Speed matters.

Plays in browser⌨️Keyboard⏱️1–5 minEasy
binary-blitz.sh
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Binary Blitz

Decode binary numbers to decimal before the timer runs out.
A mental workout for developers.

$ cat how-to-play.txt

  • →A binary number appears — type its decimal value
  • →Auto-submits when correct, or press Enter to submit
  • →10 seconds per question — don't let the timer hit zero
  • →3 lives — wrong answer or timeout costs 1 life
  • →Combo multiplier rewards consecutive correct answers
  • →Difficulty scales: 4-bit (Q1–10) → 6-bit → 8-bit

How to Play Binary Blitz

  1. Read the question — a binary number, hex value, or computer science concept is displayed on screen.
  2. Choose from the multiple-choice answers shown below the question.
  3. Answer before the timer expires — each question has a countdown clock.
  4. Score points for every correct answer; speed bonuses reward fast responses.
  5. Chain correct answers together to build combo multipliers and climb the score leaderboard.

About Binary Blitz

Binary Blitz tests your knowledge of binary, hexadecimal, and computer science fundamentals through rapid-fire multiple-choice questions. Perfect for developers, CS students, and programming enthusiasts who want to sharpen their low-level intuition, Binary Blitz turns theoretical knowledge into a reflex. The game covers a wide range of topics so every session feels fresh and challenging.

Topics span bit manipulation, binary-to-decimal conversion, hexadecimal arithmetic, ASCII character values, data type sizes, memory addressing, and general number systems. Whether you are preparing for a technical interview or just want to level up your computer science fundamentals, Binary Blitz is a fast, free way to drill the concepts that matter most.

Frequently Asked Questions

What topics does Binary Blitz cover?
Binary Blitz covers binary numbers, hexadecimal values, bitwise operations, ASCII character codes, data type sizes, number system conversions, and core computer science fundamentals.
Is Binary Blitz good for coding interview prep?
Yes — the game drills CS fundamentals that frequently appear in technical coding interviews, including bit manipulation, number bases, and memory concepts.
How are scores calculated?
Scores are based on both speed and accuracy. Answering quickly earns a speed bonus, and chaining consecutive correct answers builds a combo multiplier that significantly increases your score.
Does Binary Blitz save high scores?
High scores are saved locally in your browser storage so you can track your personal best across sessions without needing an account.