SudoKanard

 Thermo Sudoku Standard Sudoku rules apply. Along each thermometer, digits increase strictly starting from the bulb end. Penpa link: https://git.io/Jukuv

 Heyawake     Shade some cells in the grid according to the following rules: - regions with a number should contain as many shaded cells; - two black cells cannot be adjacent horizontally or vertically; - a straight (horizontal or vertical) run of consecutive unshaded cells cannot span across more than 2 regions (it cannot cross more than one bold frontier); - all unshaded cells should be connected in a single group.   Solve on Penpa:  https://tinyurl.com/2glvkenh

 Classic Sudoku Classic Sudoku rules apply. Penpa link: https://git.io/JukVK Video solution (with French commentary):  https://www.youtube.com/watch?v=gGm8uCJfv84