Packing the “S” tetracube
2010-01-17
In how many ways can you pack 54 “S” tetracubes into a 6×6×6 cube?
Packing the “T” tetracube
2010-01-09
Can you pack 54 “T” tetracubes into a 6×6×6 cube? Solutions, discussion, and generalizations.
Zendoku puzzle generation
2007-06-10
The technical challenges involved in implementing a sudoku puzzle generation algorithm on a handheld video game console, and how the developers at Zoonami solved them in the production of Zendoku for the Nintendo DS and Sony PSP.
Powers of two
2007-04-19
Bram Cohen poses a programming question for job applicants: it’s easy to solve by searching but how can you be confident that you’ve searched far enough? Trying to answer this question leads to interesting mathematical analysis.
The puzzle structure of Ocarina of Time
2004-12-01
The structure of the puzzles in the Nintendo 64 video game The Legend of Zelda: Ocarina of Time. With diagrams and maps.