Stimim's Notes

  Rules Normal Sudoku rules apply Digits along the arrow sum to the given total in the circle or pill. The pills are read from top to bottom. Links f-puzzles Hint 1:  focus on the highlighted cells of https://f-puzzles.com/?id=yhcr7829

  Rules Little Killer Digits along the pointed diagonal must sum to the given number. Thermo Sudoku Digits along the thermo must increase as they move away from the bulb. Links f-puzzles

Rules Normal Sudoku rules apply Arrow Sudoku: Digits along an arrow must sum to the number in the circle / pill. Numbers in pills are read from left to right, top to bottom. Links f-puzzles link

 Rules Normal sudoku rules apply Arrow sudoku: Digits along the arrow must sum to the number in the circled cells. Links https://f-puzzles.com/?id=yj2qben3

 Rules Normal sudoku rules apply. For each row, column and box, 1~9 appear exactly once. Digits must not repeat in a killer cage. The digits in the cage must sum to the given total in the top left corner (if given). Digits on a thermometer must strictly increase as they move away from the bulb. Digits along an indicated diagonal must sum to the given total. The given totals are some dates in chromeOS history, in "month/day/year" format. For example, 10/11/12 is "October 11th, 2012" and 3/4/5 is "March 4th, 2005". All the answers can be found on chromeOS wiki page. Google announced chromeOS on X/Y/Z. Google announced (the first) two Chromebooks at Google I/O on D/E/F. The first Chromebook model was released on A/B/C by Samsung.

  Rules Normal Sudoku rules applied Cells joint by a white dot are consecutive pairs No negative constraint Antiknight Digits on the arrow must sum to the number in the circled cells. (Hint) The green area contains the same set of digits as the red area.