Turing's Dawn — race the dark before the longest day runs out (opens in new tab)

This is a submission for the What I Built Turing's Dawn is a browser puzzle game where daylight is a resource that drains in real time, and the only way to hold back the dark is to break the codes a vanished mind left behind. On the longest day of the year, the light starts running out. You're stranded in the seam between the longest day and the shortest night, and a daylight meter drains the entire time you're solving. Six chambers, six codebreaking disciplines — a Caesar dial, a binary sunr...