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Showing posts from September, 2026

50. Semi-Century

Big block of text for the uni lore moment and big block of text for the puzzle rules On September 21, 2026, I woke up when the hour was an odd number and the minutes were in the low twenties, if I remember correctly. And my first class in uni on that day was at 8 AM. So I panicked and immediately went to go take a shower (b/c I didn't hear an alarm ring too). But when I came back to my room, the time I saw on my phone was not in the 7:30s --- it was in the 3:30s. Meaning I had woken up about 3 hours earlier than the times I tend to wake up at. I didn't want to go back to sleep because I feared that I would sleep through the alarms I had set (on my new phone lol) and wake up at a time where it would be basically impossible to make it to class on time. So, I decided to work on some stuff, including a module for one of my other classes (that way I could at least get something productive done). I also verified this puzzle during that time because I had the time and I realistically ...

49. Seven by Seven

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)

48. Birthday Look-Air

 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...

47. Sunrise

Uni is unleashing its wild side on me. So things are probably going to slow down on here. Maybe not right now, but things will eventually slow down. But on the other hand, I'm having quite a lot of fun in uni too. Specifically, there's a bit more lore involving the professor I mentioned in Vel (44) that I want to put here. This professor showed a video about the topic we were studying in class. This video was actually one of their YouTube videos, but they skipped over the part with their face to make it LOOK like it wasn't theirs. But we still found out haha. Anyways, about this puzzle --- I wanted to make it easy so my IRL friends from back in my hometown could solve this. Sure, it's still a bit hard, but at the same time I also wanted to preserve symmetry. ...what do you mean, "there's something hidden in the thumbnail?!" and it works for this obscure arg called "project: actinium???" Creator's time: 12:26 Rules:  Normal 9×9 Sudoku rules a...

46. Only One

Nothing new from uni that I'd say is really interesting  Anyways, have a classic Look-Air. Creator's time: 1:38.0 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. Difficulty : 7.0/14 Online interface (puzz.link)