The window test
Write the switch numbers you will press to reach the requested lighting pattern. The order of the numbers does not matter.
Choose the right switches by comparing a wiring card and a lighting checklist.
The paper lanterns are ready for their final test. One of you knows the wiring. The other has the lighting plan. Work together to choose which switches to press before the workshop opens.
Exactly 2 players · Three fixed-answer cases · EN / ES / PT-BR / FR

Compare two different sheets to reach one answer. Each image opens at full size.
Each five-page sample contains a short setup, both private roles, two optional hints and the complete explained answer. Choose English, Spanish, Brazilian Portuguese or French. It is Case 01 of the paid edition, with the same answer. You can finish it without buying anything.
The browser case is in English. Download a PDF above to play the complete free case in another language.
Write the switch numbers you will press to reach the requested lighting pattern. The order of the numbers does not matter.
Write the switch numbers you will press to reach the requested lighting pattern. The order of the numbers does not matter.
Write the switch numbers you will press to reach the requested lighting pattern. The order of the numbers does not matter.
One ZIP includes eight complete 12-page PDFs: English, Spanish, Brazilian Portuguese and French, each in A4 and US Letter, plus a README. All eight contain the same three-case game; choose one language and paper size. Separate role sheets, progressive hints and explained answers are included. All four languages are included in the same US$3.90 purchase. The answers stay fixed on replay; these are standalone cases, with no purchase of another game required.
Buy the complete game on itch.io · US$3.90 ↗One-time digital purchase. itch.io handles payment, receipts, applicable taxes and full downloads. Clicking this link does not make a purchase.
The complete edition includes this free first case plus two more. If you would rather return later, open the game on itch.io and choose Add to collection. To hear about future releases, follow our creator account on itch.io. Saving a game and following its creator are separate, optional actions; the sample stays free.
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Original puzzle text, translations and solution checks were prepared with AI assistance. Cover illustration: Gemini; layout direction: Google Stitch, implemented and checked by Codex. Solutions were checked computationally; independent human playtesting, native-language review and measured playtime are not claimed. Try the complete free case before buying.
Personal-use printing and partner sharing permitted. No resale or public redistribution. Recreational deduction, with no IQ score.
Also try The Glasshouse Relay, with free samples in four languages, or browse all paper games.