2026-06-26
The Science of Spatial Reasoning (and Why Paper Folding Tests It)
Why the paper-folding test is a fixture of cognitive assessments, whether it predicts STEM ability, and the good news: it's a trainable skill.
Read →Writing about paper-folding puzzles, spatial reasoning, daily game design, and the engineering behind Daily Unfold.
2026-06-26
Why the paper-folding test is a fixture of cognitive assessments, whether it predicts STEM ability, and the good news: it's a trainable skill.
Read →2026-06-25
You can solve one fold — now do three. Reverse-order unfolding, tracking holes, the doubling check, and speed tips for timed Expert mode.
Read →2026-06-24
New to paper-folding puzzles? The one rule that makes them solvable — symmetry — with a worked example, a method for multiple folds, and the mistakes beginners always make.
Read →2026-03-12
How I built a difficulty scoring function for a paper-folding puzzle game. Fold simulation, hand-tuned weights, procedural generation, and where it all falls apart.
Read →2026-04-02
The grid representation, the fold transform, the punch propagation, and the one bug that ate a whole weekend. A technical deep-dive into the core engine.
Read →2026-04-15
Wordle, Connections, and the design principles that turn a puzzle into a ritual. Constraints, shareability, difficulty ramps, and what we stole — and rejected.
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