Ai-Q Labs

One printed sheet. A bathhouse closes for good, and the key is "in the usual place." No Japanese needed.
One A4 sheet: a Japanese neighborhood's last circular notice. Rules, clues and answer check are on it. Japanese only.
Print one A4 sheet. Everything — rules, clues, and the answer check — is on it. Japanese text only.
A Japanese-style murder mystery for exactly 2 players. No host, no GM. Printable PDF, 90–120 minutes.
A Japanese-style murder mystery for exactly 3 players. No host, no GM. Printable PDF, 60–75 minutes.
A Japanese-style murder mystery for exactly 2 players. No host, no GM. Printable PDF, 70–90 minutes.
Misterio japonés para dos, sin narrador. Un templo cerrado. Se puede mentir; sobre las pruebas, no.
Run a ryokan's front desk from 23:00 to 06:00 for seven nights, and notice who lied about when they arrived.
Simulation
Play in browser
A castle held a forty-day siege. The Gate Book says no gate opened. Find out who opened it.
Interactive Fiction
Play in browser
Mistério japonês numa pousada isolada. Um ônibus às 06:00, um lugar. Sem votação: vocês decidem quem vai.
Misterio japonés. Una posada termal aislada, un huésped muerto, un solo autobús a las 06:00. No hay votación.
Mistério japonês para dois, sem narrador. Uma casa de banhos, a última noite. O culpado já foi para casa.
Misterio japonés para dos, sin narrador. Unos baños públicos, su última noche. El culpable ya se fue a casa.
A cozy Japanese mystery for exactly 4 players. No host. Nobody is killed — only a sheet of paper is missing.
A template for one-player document mysteries. One HTML file, no dependencies.
A Japanese-style murder mystery for exactly 2 players. No host, no GM. Printable PDF, 90 minutes.
A Japanese-style murder mystery for exactly 2 players. No host, no GM. Printable PDF, 60-75 minutes.
A Japanese-style murder mystery for exactly 2 players. No host, no GM. Printable PDF, 75-90 minutes.
Misterio japonés gratis. Dos registros dicen cosas distintas sobre el mismo minuto. Uno de los dos miente.
A two-player Japanese ghost-story game. No GM. 60-90 min. Twelve candles, and you never read the same page.
A Japanese heist TTRPG for 3-5 players. No GM. 90 minutes. One of you is working for a second client.
For sixty-one minutes, nobody in the building could lie. Read the file. Fill in Form 9.
Interactive Fiction
Play in browser
Mistério de assassinato vindo do Japão. Uma editora, uma noite, e às 23:00 o livro segue para a gráfica.
A one-player document mystery. Fourteen documents, eight rooms, four endings. Plays in your browser, 20-30 minutes.
Interactive Fiction
Play in browser
Misterio de asesinato llegado de Japón. Una editorial, una noche, y a las 23:00 el libro sale hacia la imprenta.
A lighthouse, three keepers, and nineteen minutes with the light out. Text only, no host, 30-45 min.
Murder party japonaise gratuite. Deux journaux disent des choses différentes sur la même minute. L'un des deux ment.
Murder party venue du Japon. Une maison d’édition, une nuit, et à 23h00 le livre part chez l’imprimeur.
Murder Mystery aus Japan. Ein Verlagshaus, eine Nacht, und um 23:00 Uhr geht das Buch in Druck.
A river town on the night before its festival. A vote, then nine endings. Host + 8-16 players, 150-180 min.
A solo journaling game. The last train has gone. Write down who lost what.
Murder Mystery aus Japan. Eine Hütte am Fuji, ein Toter, und vor 05:12 Uhr bleibt Zeit für genau ein Foto.
A 7-page print-and-play escape game set at a rural Japanese station. 1-4 players, 30-45 min, no GM.
A Japanese-style murder mystery for 1 host and 3-6 players. Mount Fuji, 90-120 minutes.
A night sleeper express on her last run. Two votes, six endings. Host + 7-14 players, 150-180 min.
A Japanese-style murder mystery for 3-6 players. No host, no GM. 60-75 minutes.
A Japanese-style murder mystery for 3-6 players and a host. No vote - one seat on the morning bus. 90-120 min.
A Japanese-style murder mystery for 4-8 players and a host. No vote - you choose who reads the eulogy. 90-120 min.
An election count, tied. No vote — all six suspects must sign the record. Host + 6-12, 110-140 min.
Opening night at a sixty-seat theatre. No vote — you decide if the show goes up tomorrow. Host + 5-10.
A radio show’s last night. No vote — one of your four scripts goes on the air. Host + 4-8, 90-120 min.
A publishing house on the night of the deadline. Every clue is a document. Japanese-style, host + 3-6, 90-120 min.
Free. Two logs of the same night disagree. A Japanese-style murder mystery for a host + 2-4 players. 60-90 min, PDF.