Royal Chest · Medieval Treasure Puzzle A calm, offline puzzle game designed for all ages. Completely free — no in-app purchases.

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Design notes, puzzle research, and things I learned while building a medieval treasure-chest game.

July 10, 2025 · 10 min read

The Psychology Behind Match-and-Clear Games

Does practicing match-3 games actually make you think better? I reviewed more than 80 cognitive psychology studies on spatial training to separate real effects from marketing claims. Near transfer is solid; far transfer is still an open question. Basically, what the science says about these games is more nuanced than most press notes suggest.

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June 25, 2025 · 7 min read

Medieval Treasure Chests and the Visual Design of Royal Chest

Medieval treasure chests are visually distinctive and universally recognizable. I explain why straight symbols and ornate locks work better than colored gems for a rotation-based match mechanic, and how Gestalt grouping principles shaped the visual design.

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