SPACE · PERCEPTION · GAME DESIGN

Inside the
fourth direction.

Essays connecting geometry, interactive exploration and the design of Aetherfold. Developed from themes in Oana Rinaldi’s research, with new explanations and examples written for players.

Start with what you can see, then explore what you can do. No advanced mathematics is required; equations are explained where they help.

3 MIN READ

A shadow, a slice, a world

How to read a four-dimensional scene without mistaking its image for its shape.

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3 MIN READ

What changes when you turn toward W?

A practical guide to moving frames, rotation order and the geometry of a new route.

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3 MIN READ

The anatomy of a four-dimensional puzzle

Position, orientation and remembered actions each answer a different question.

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3 MIN READ

Learning to see through small experiments

Build an intuition for unfamiliar space by making predictions you can test.

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3 MIN READ

Architecture that changes your choices

How spatial rules, atmosphere and pacing work together in a fantasy puzzle world.

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