Rip old phone but then again it still kinda works Anyways, this puzzle uses a constraint that I didn't invent, but implemented to SudokuMaker for use. And yeah it's factor lines. The black color for the lines loosely came from one of Marty Sears' fabulous Rat Run puzzles. Creator's time: 34:12 Rules: Normal 9×9 Sudoku rules apply. Variant 1: Factor Lines \ For every pair of adjacent digits on a black factor line, one must be a factor/multiple of the other. (Example: 4-2-6-3-9-1-7) Variant 2: Kropki \ Digits separated by a white dot are consecutive; digits separated by a black dot have a 1:2 ratio. Not all dots are necessarily given. LMD link : https://logic-masters.de/Raetselportal/Raetsel/zeigen.php?id=000V0M Difficulty : 9.0/14 Online interface (SudokuPad)
Happy birthday to uhhh... me! Because this post was published on Sep. 17, 2026 (my time zone), i.e. my birthday lol So here's a Look-Air with a variant that already exists as a Sudoku variant, but as far as I know, I'm the first to apply it to Look-Air. The rules for this variant in Look-Air are slightly different from the variant's rules in Sudoku. And they're a bit confusing. As for more uni lore moments... there isn't really that much to talk about other than me taking a test recently. And also me having salmon at uni for the first time lol Creator's time: 3:09.8 Rules: Standard Look-Air Rules \ Shade some cells so that each orthogonally connected area of shaded cells is in the shape of a square. Clues represent how many of the five cells forming a cross around the clue (including itself) are shaded. Two shaded squares of the same size may not have a vertical or horizontal line of unshaded cells between them, unobstructed. Variant 1: X-Sums \ Numbers outsid...