Unanswered Questions

In trying to develop and perfect my strategies, I've been playing 2048-undo. This is what I got myself into: Since this is not an uncommon situation and I still don't know how to properly get out of ...

Here on puzzling SE there is the category "calculation puzzle", but it's very broad. I'd like to know if somebody gave a specific name for such puzzles.

I came across an interesting toggling puzzle while looking through a code repository on GitHub. I want to find out more about it and see if there is any info on how to solve it, how to ensure ...

A deadlock is a position in which neither player has won and neither player has a legal placement available. My question is, "Can you find a deadlock position in Minefield?" And, if you ...

This puzzle is part of the Monthly Topic Challenge #7: Board games. And also, this puzzle is also a parody of XKCD's 730. We're starting a project on Explain XKCD (link currently not available) to ...

Does anyone happen to know a name for this traditional(?) number square puzzle/game? The puzzle has a board of 10x10 squares that are initially empty. The player starts the game by entering the number ...

Person A formed 10 small balls of paper (plain white paper, all 10 looked the same). Then person A picked up all 10 paper balls and threw them on a table at the same time. Then you should be able to ...

Here's a sequence of numbers: 133, 173, 30, 133, 176, 160, 171, 63, 137, 176, 160, 60, 177 I'm sure they are an important part of a puzzle I'm trying to solve which I found hidden in an image - ...

Players: Black and White. A crosscut is a 2x2 subgrid with two white and two black stones, in which like-colored stones are diagonally adjacent (and opposite-colored stones are orthogonally adjacent)....