Logic Masters Deutschland e.V.

Title: The BremSter Thermo Conundrum
Type: Sudoku
Link: Penpa+ link to The BremSter Thermo Conundrum You may use Normal/Large/Medium/Small Blue, Green, or Red numbers in any combination.
Link: F-puzzles link to The BremSter Thermo Conundrum
Link: CtC app link to The BremSter Thermo Conundrum
Variants: Little Killer, Anti-Knight, Heat Map Thermometer

Featured on Cracking the Cryptic, The Rangsk livestream and his own YouTube channel, expert puzzle setter BremSter has created another variant to compliment his Psycho Killer Cages--Heat Map Thermometers. I have created an Anti-knight puzzle that uses his brilliant thermometer to add a little extra challenge. You can find excellent puzzles by BremSter here.

1) Normal Sudoku

• Place the digits 1 through 9 once each in every row, column, and box.

2) Little Killer

• 2.1) The digits along the indicated diagonal sum to the total shown by the arrow.
• 2.2) Digits may repeat along the diagonal.

3) Anti-Knight

• Digits that are a chess knights move apart may not be the same.

4) Heat Map Thermometer

• 4.1) The digits along a heat map thermometer point to "target" digits. These target digits must strictly increase as if they were on the thermometer.
• 4.2) Target digits are determined as follows:
• 4.2.1) The number of the digit on the thermo points to the box indicated by that number (i.e. a 3 points to box 3).
• 4.2.2) The position of the digit in the original box matches the position of the digit in the box which is pointed to (i.e. a 4 in the top right of the original box indicates that the top right digit of box 4 is the target digit (note some digits can point to themselves)).

You can try a 4x4 example here.