Pathological Simplicity

A beautifully simple level where observation is heavily rewarded

Odin

Devil in the Details

Illuminates a very important property of holes

The Road Less Travelled

The level's structure itself gives a big hint, and the title makes it feel nice to solve

Cup o' Noodles (v2)

Nudge

Completely impenetrable until I decided to use my brain and analyze it…

A level that knows exactly what you're thinking

Infiltrate

Teller-Ulam Design

Get the chisel and a steady hand for this one, excavating this construction is not an easy task.
There are so many apparent impossibilities; it's tricky figuring out what's actually impossible.