What a well-written sudoku puzzle never requires you to do

Question:

Answer:

GUESS

Length:

Similar Crossword Questions:

Do a sudoku puzzle or two, perhaps
Means to solving a sudoku puzzle
First word across in the first-ever crossword (1913) and the first of a dozen appearances of the word in this puzzle's grid, written word search-style (left, right, down, and diagonally) ... Can you f
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Sudoku puzzle, essentially
Part of this puzzle's theme
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Puzzle-within-a-puzzle
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Puzzle solver's exclamation
Three Dog Night hit written by Nilsson
Honor attained by this puzzle's nine celebrities
Word that precedes six other answers in this puzzle
The eight longest answers in this puzzle each have 13 unique ones
It requires horse sense
List shortener hidden in eight long puzzle answers
One of two engineering features depicted in this puzzle
What desperate druggie crossword puzzle makers will use as inspiration?
Start of an open letter from the puzzle constructor: "Dear ___, you seem a bit confused about what the V. P. does every day, so here are some helpful hints ..."
One may be written / Just like this clue is written / But a lot better
Contributes (or creates this puzzle's theme)
Number inaugurated into this puzzle's theme answers
Nanobot's hypothetical ability, and the process that's overtaken this puzzle's theme answers