1. Moderation
Normal sudoku rules apply (fill each row, column, and 3x3 box with the digits 1-9 once each), and all clues are standard.
Cages: the sum of the digits inside each cage is equal to the small number in the top left corner.
Very rough difficulty estimate: 2/10
Play online: SudokuPad | unshaded
New to variant sudoku? Check out these beginner-friendly guides to cages and other popular rulesets.
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2. Inkblot
Normal sudoku rules apply (fill each row, column, and 3x3 box with the digits 1-9 once each), and all clues are standard.
Digits cannot repeat on the indicated diagonal.
Thermometers: digits on thermometers increase from the bulb.
Renban lines: purple lines contain a non-repeating set of consecutive digits in any order.
Digits in cells separated by a black dot have a 1:2 ratio.
Very rough difficulty estimate: 5/10
Play online: SudokuPad
3. Widescreen
Normal sudoku rules apply (fill each row, column, and 3x3 box with the digits 1-9 once each), and all clues are standard.
Arrows: the sum of the digits along an arrow is equal to the digit in the connected circle, and these digits can repeat if allowed by other rules.
German whispers: along green lines, digits differ from their neighbors by at least 5.
Digits in cells with a shaded square are even.
Very rough difficulty estimates: 9/10, 6/10
Play online: SudokuPad
Extra clues: SudokuPad
Some other puzzles I enjoyed this week:
All Cells Engaged, by Vythic
Nightshade, by Lithium-Ion
Ceremony, by Math Pesto
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This week’s meta-description:
Bet you thought I forgot about given digits…
For premium subscribers, hints and two more bonus puzzles are below.

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