Cave by Murat Can Tonta
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Update: 2023/07/27 – We have opened up a few more of our subscription puzzles to give people a sense of what they may be missing if they aren’t a subscriber. This “warm-up” Thermo-Sudoku is a great example of some of the new easier puzzles that happen every day (alongside harder content) to get solvers back into our different genres; all warm-up puzzles are fair and interesting, even if on the easier side.
Mastering Thermo-Sudoku requires combining number placement thinking with greater than/less than thinking. How will you do on this puzzle from Serkan Yürekli that splits the numbers and the thermometers apart?

or solve online (using our beta test of Penpa-Edit tools)
Theme: Half and Half
Author/Opus: This is the 393rd puzzle from our managing editor Serkan Yürekli.
Rules: Standard Thermo-Sudoku rules.
Difficulty: 1.5 stars
Time Standards (highlight to view): Grandmaster = 1:00, Master = 1:20, Expert = 2:40
Solution: PDF and solving animation.
Note: Follow this link for more Thermo-Sudoku puzzles. If you are new to this puzzle type, here are our easiest Thermo-Sudoku to get started on. More Thermo-Sudoku puzzles can be found in these books in our e-store.
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You must be logged in with the appropriate subscription to view this content.
You must be logged in with the appropriate subscription to view this content.
You must be logged in with the appropriate subscription to view this content.
You must be logged in with the appropriate subscription to view this content.
You must be logged in with the appropriate subscription to view this content.
Update: 2023/07/27 – We have opened up a few more of our subscription puzzles to give people a sense of what they may be missing if they aren’t a subscriber, including this pair of TomTom puzzles from Grant Fikes.
Grant Fikes has created this clever PairPair of TomTom puzzles, where this is the second part.

or solve online (using our beta test of Penpa-Edit tools)
Theme: Half Off (Part 2)
Author/Opus: This is the 401st puzzle from our contributing puzzlemaster Grant Fikes.
Rules: Standard TomTom rules, using the integers 1-5.
Difficulty: 1 star
Time Standards (highlight to view): Grandmaster = 0:45, Master = 1:00, Expert = 2:00
Solution: PDF and solving animation.
Note: Follow this link for classic TomTom and this link for TomTom variations. If you are new to this puzzle type, here are our easiest TomTom to get started on. More TomTom puzzles can be found in these books in our e-store.