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Sliding puzzle in curved space

3 starsC#

Sfera – sliding puzzle in curved space (open-sourced)

by bntr·May 8, 2026·2 points·0 comments
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AI Analysis

●●SolidNiche GemWizardryCozy

Custom shader implementation of elliptic geometry puzzles with Just Intonation harmonic feedback.

Strengths
  • •The custom 4D Catmull-Clark subdivision handles smooth sliding on curved surfaces efficiently.
  • •Just Intonation sound mapping provides harmonic feedback based on puzzle state correctness.
  • •Vertex shader geometry computation avoids CPU bottlenecks for complex curved space rendering.
Weaknesses
  • •Web build lacks audio support due to Unity audio filter limitations on WebGL.
  • •Seven-year-old codebase feels dated compared to modern curved space games like Hyperbolica.
Category
Gaming
Target Audience

Math enthusiasts, indie game developers, puzzle gamers

Similar To

Hyperbolica · Manifold Garden · Antichamber

Post Description

An old game from 2017. Not sure why I never open-sourced it before.

It never got much attention, but I'm still a bit proud that it explored curved-space gameplay years before Hyperbolica :)

Source: https://github.com/bntre/Sfera

Play online: https://bntre.github.io/Sfera/

Unfortunately sound still works only in native builds (Unity audio filters are still unsupported on Web). I remember sound was supposed to be an important hook.

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