The Cliff side

Good job I wore my spectacles!

This level is all about staring at that pool, going "Uh...", feeling dumb and then

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looking for hidden things,

specifically

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hidden sliders.

Very annoying level when at the start you don't know what to do.

I'm so proud of myself for solving this puzzle. Hidden slider couldn't hide from me! Cool!

Very challenging. Sneaky design, well done.