AltF original
Move anything and it starts again.
Harder than it sounds, which is the point. Most people last under twenty seconds on the first try, and the difficulty is almost entirely the reflex to check something rather than any real need to move.
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There is nothing behind it. Press it anyway.
Turn it on. It will disagree.
One pixel, one metre. The Moon is 384,400 km away. Good luck.
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