
The Meridian Signal
Published 27 October 2026 · On Quisicosas since 28 October 2026
Featured in the newsletter of
28 October 2026 (on Substack)
What it is about
A deserted observatory. Seven evidence puzzles. One final transmission. The Meridian Signal is a printable, hostless sci-fi mystery for 1-4 players, suggested age 14+. Play on paper or add the optional offline hint terminal. No host, cutting, physical locks or outside trivia required. PRODUCT DETAILS New in the interface: individual art direction, subtle material textures, decorative motion with an off switch, and a compact Focus workspace. Decorative graphics are not extra downloadable product assets. Original product capabilities and limitations remain as described below. The receiver has been silent for twenty years. Tonight, it has a message. The Meridian Signal is a compact, original hostless paper-puzzle mystery for 1–4 players, suggested age 14+. Recover seven archive words from a deserted observatory, then combine one letter from each to unlock the reason behind its final transmission. SEVEN DIFFERENT EVIDENCE PUZZLES Sort a scrambled log, solve an operator assignment, navigate a star map, decode receiver lamps, choose a constrained route, calibrate a mixer and test conflicting witness statements. All necessary clues are provided. No outside trivia, cutting, hidden objects, physical locks or host are required. IN THE DOWNLOAD An 11-page player dossier with the seven puzzles, recovery sheet, finale and story ending; a separate nine-page stepped-hint and answer booklet; and an optional standalone HTML terminal with three progressive hints per puzzle, answer checks, manual progress export and the ending. Both US Letter and A4 editions contain the same game. A three-page free prologue sample is also included, not an extra mystery. PLAY YOUR WAY Print one paper edition or read it on screen and use paper for notes. The terminal is optional; the PDFs contain everything needed to finish. Open the terminal in desktop Chrome after extracting the ZIP. No account, internet or app-store installation is used. Paper, pen and printer are not supplied. Save terminal progress with Export progress; there is no autosave. Answers exist in the offline source, so it is not a secure competitive challenge. BEFORE YOU BUY This is an English-language fictional puzzle game, not a video game or live hosted escape room. Playtime and difficulty vary; no human playtest-panel rating or fixed duration is claimed. Puzzle constraints and solutions were checked programmatically and the terminal was tested in desktop Windows Chrome. Physical phone and printer operation have not been certified. AI DISCLOSURE AND LICENSE Writing, code, diagrams and layout were created using generative AI assistance for DigiiForge. Preview images show actual pages and the actual terminal. The non-exclusive license permits play and printed copies for your household or one organization’s own gatherings. Resale or public redistribution of the game files is not included. Applicable consumer rights remain unchanged. Support: digiiforge+support@gmail.com. Digital download only. DOWNLOAD THE CURRENT EDITION PRISM INTERFACE EDITION / OCTOBER 2026 Current visual edition: DigiiForge_The_Meridian_Signal_Prism_2026_10.zip. This package includes the complete product with its original functional version, data formats and license, plus the refreshed DigiiForge interface. Earlier downloads are retained as previous editions; use the Prism ZIP for the latest presentation. Extract the complete folder. Back up existing records before moving to a new file location.