1x1 Metal Detector

I won! :D Nice one! :)

I won in 5 seconds! :)
Nice idea! Good use of minimalistic feedback.

lol, funny

Great use of the theme, and surprisingly simple to work out. I vote you take it further ;-)

I guess the description was too much of a spoiler --- removed it.

Took me a few tries and lots of button spamming but I figured out what's goin on in there ;)