Thoughts on word puzzles, game design, and keeping your brain sharp
The design principles behind puzzles that keep you coming back — constraint, fairness, the aha moment, and why every letter matters.
From Countries and NBA Teams to Pizza Toppings — how we chose each category, what makes a topic work as a puzzle, and what criteria new categories must meet.
Research shows that regular word puzzles can improve memory, vocabulary, and cognitive flexibility. Here is what the science says and why consistency matters.