ArcStarWelcome to my website!https://arcstar.co.uk/Designing a Quiet Puzzle Interfacehttps://arcstar.co.uk/blog/designing-a-quiet-puzzle-interface/https://arcstar.co.uk/blog/designing-a-quiet-puzzle-interface/Why RuneGrid avoids visual overload, and how its interface tries to support calm structural thinking.Mon, 27 Apr 2026 00:00:00 GMTGenerating RuneGrid Levelshttps://arcstar.co.uk/blog/generating-runegird-levels/https://arcstar.co.uk/blog/generating-runegird-levels/How RuneGrid turns finite group tables into varied, playable procedural puzzles.Mon, 06 Apr 2026 00:00:00 GMTA Gentle Introduction to Abstract Algebra, Group Theory, and RuneGridhttps://arcstar.co.uk/blog/gentle-introduction-abstract-algebra-runegrid/https://arcstar.co.uk/blog/gentle-introduction-abstract-algebra-runegrid/A calm introduction to symmetry, structure, and abstract algebra through the lens of RuneGrid.Tue, 17 Mar 2026 00:00:00 GMTThe Sound of Hidden Structurehttps://arcstar.co.uk/blog/procedural-music/https://arcstar.co.uk/blog/procedural-music/How RuneGrid uses small musical motifs and mathematical transformations to create a procedural soundtrack.Wed, 06 May 2026 00:00:00 GMTAchievements Without Distractionhttps://arcstar.co.uk/blog/runegrid-achievements-article-with-frontmatter/https://arcstar.co.uk/blog/runegrid-achievements-article-with-frontmatter/How RuneGrid uses achievements to encourage new play styles and mathematical experimentation without cluttering the interface.Thu, 23 Apr 2026 00:00:00 GMTFurther Notes on RuneGrid's Procedural Soundscapehttps://arcstar.co.uk/blog/runegrid-procedural-soundscape-followup/https://arcstar.co.uk/blog/runegrid-procedural-soundscape-followup/A deeper look at the procedural synthesis system behind RuneGrid’s evolving, unsettled musical atmosphere.Thu, 07 May 2026 00:00:00 GMTThe Unexpected Weight of a £0.99 Buttonhttps://arcstar.co.uk/blog/the-unexpected-weight/https://arcstar.co.uk/blog/the-unexpected-weight/Reflections on preparing RuneGrid for its first App Store review and in-app purchase.Sat, 09 May 2026 00:00:00 GMTWhy RuneGrid Validates Levelshttps://arcstar.co.uk/blog/why-runegird-validates-levels/https://arcstar.co.uk/blog/why-runegird-validates-levels/Ensuring procedural puzzles remain fair, solvable, and structurally meaningful.Sat, 18 Apr 2026 00:00:00 GMTWhy These Groups?https://arcstar.co.uk/blog/why-these-groups/https://arcstar.co.uk/blog/why-these-groups/The mathematical ideas behind the finite groups used throughout RuneGrid.Sat, 28 Mar 2026 00:00:00 GMT