All Questions
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PSE Advent Calendar 2021 (Day 15): Optics Experiment
This puzzle is part of the Puzzling StackExchange Advent Calendar 2021. The accepted answer to this question will be awarded a bounty worth 50 reputation.< Previous Door Next Door >
Optics ...
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A Somewhat Foolish Poem
Your task is to solve the Sudoku and complete the missing words in the following poem.
Classic Sudoku: Each row column and box contains the digits 1-9.
XV-rules: Digits separated by V must add to 5. ...
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