Master the Sudoku Packing Method with 9 Quince Pieces

The Art of Bijective Combinatorics

Tetris is NP-hard even with O(1) rows or columns [pdf]

Cryptogram

Using Constraint Solvers to Solve the New York Times Pips Puzzle

This article explores solving the New York Times' new Pips puzzle using constraint solvers. The Pips puzzle involves placing dominoes on a g

New York Times Games Launches Original Logic Puzzle 'Pips'

The New York Times Games has launched Pips, its first-ever original logic puzzle that involves arranging dominoes on a board to satisfy spec

Using Wave Function Collapse to solve puzzle map generation at scale