Sublustrum remake guides: Steam playtest access, sound-puzzle hints, version notes and PC requirements, with dated sources and spoiler controls.https://sublustrumguide.wiki/enhttps://sublustrumguide.wiki/guides/getting-started/https://sublustrumguide.wiki/guides/getting-started/Prepare for Sublustrum’s October Steam playtest: version checks, exploration notes, sound feedback and useful bug reports without puzzle spoilers.Tue, 13 Oct 2026 00:00:00 GMTguideshttps://sublustrumguide.wiki/guides/original-vs-remake/https://sublustrumguide.wiki/guides/original-vs-remake/Separate the 2008 Sublustrum/Outcry original from the 3D remake: exploration, revised puzzles, music and why old solutions need verification.Tue, 13 Oct 2026 00:00:00 GMTguideshttps://sublustrumguide.wiki/puzzles/echophone-hints/https://sublustrumguide.wiki/puzzles/echophone-hints/Understand Sublustrum’s Echophone feedback with spoiler-light, progressive guidance grounded in developer notes for the October 2026 playtest.Tue, 13 Oct 2026 00:00:00 GMTpuzzleshttps://sublustrumguide.wiki/updates/playtest/https://sublustrumguide.wiki/updates/playtest/Join the Sublustrum open playtest on Steam: October 12–25, 2026, Chapter One scope, access steps and official feedback links.Tue, 13 Oct 2026 00:00:00 GMTupdateshttps://sublustrumguide.wiki/updates/release-date/https://sublustrumguide.wiki/updates/release-date/Steam now lists Sublustrum for Q1 2027. Separate the full remake’s release window from its October 2026 Chapter One open playtest.Tue, 13 Oct 2026 00:00:00 GMTupdateshttps://sublustrumguide.wiki/updates/system-requirements/https://sublustrumguide.wiki/updates/system-requirements/Check Sublustrum’s official minimum and recommended PC requirements, 720p/30 and 1080p/60 targets, storage, DirectX and SSD guidance.Tue, 13 Oct 2026 00:00:00 GMTupdates