Normal sudoku rules apply.
In the grid, the digits "15" may be read left to right, or top to bottom. When they are, it means the word "IS", and they must then have a digit before them and a digit after them in the same orientation in the grid. The former now has the same value as the latter for anything that considers value, instead of their face value. Each digit may only appear in a single IS statement. Example: 6159 left to right or downwards would mean that all 6s in the grid have the value of 9, but not vice versa, and no other IS will have 6 or 9.
In cages, values sum to the small clue in the top left of the cage, if given. Digits cannot repeat within a cage.
Along the thermometer, values must rise or stay equal, increasing from the bulb as you go away from it. Digits cannot repeat along the entire thermo. The position of the bulb on the thermometer must be determined by the solver.
The color version of the puzzle is simply aesthetics - it's the puzzle, visually recreated in the Baba is You editor. The actual puzzle grid can be found on f-puzzles here: https://f-puzzles.com/?id=y3svv8h4
Solution code: Enter the digits in Row 9, left to right, followed by the *values* of the digits in Column 9, top to bottom - no space in between.
on 6. December 2021, 16:36 by henrypijames
Of the three given digits, why are 8 and 9 caged (but 7 not)? I don't see anything in the rules that gives meaning to the caging of given digits - unless an additional cage total is provided, which of case is not the case here.
on 3. December 2021, 06:25 by RJBlarmo
This is an amazing puzzle. Took me some time to get my mind used to the unique ruleset, but it was well worth it. Lots of interesting deductions to find in this one!
on 2. December 2021, 22:45 by CilantroGamer
@ymhsbmbesitwf Thank you so much for solving it!
on 2. December 2021, 22:39 by ymhsbmbesitwf
Absolute mindscrambler. Deductions are hard to find but then they seem painfully obvious - quite evil, i love it!