Back to the Future Puzzle Pack
IV : Flux Capacitor
Normal sudoku rules apply.
Along green lines, adjacent digits differ by at least 5.
Along thermometers digits increase from the bulb end.
Digits separated by an X sum to 10; not all such X's are given.
Have fun, leave a comment if you enjoy the puzzle!
Solution code: Row 1
today, 22:10 by abadx
Not a trivial break in. 2 stars for me
on 5. September 2026, 23:41 by ethanferland
Thought the break-in was really cool!
on 2. September 2026, 18:10 by CarnacTheMagnificent
Great interactions between the Thermos and German Whispers to help break-in the puzzle. Very well constructed. Thanks for sharing.
on 1. September 2026, 22:26 by Big Tiger
I can see why experienced players would give it a 1 -- for me, there were just enough places where I had to stop and think harder that I'm giving it a 2.
on 31. August 2026, 17:24 by Crona
Should we do anything with the fc cage?
on 31. August 2026, 17:13 by mijq
Great puzzle.
I could see this as 2*
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