Spec 1.2 · Binary and hexadecimal

Binary Invaders

Set your cannon's 8 bits to an invader's number, then fire. Don't let them land!

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Wave 1
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Binary Invaders

Each invader carries a number. Set the bits on your cannon to the same value in binary, then fire. From wave 3, hex invaders (marked ₁₆) join the attack.

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1–8 toggle bits (128 … 1) Space fire Backspace clear P pause