Interactive quizzes / Logic & Wordplay
The Unreliable Lighthouse Log
Sort lighthouse log entries into true and false, match entries to the keepers who wrote them, then use liar-and-truth-teller clues to find the lamp's real state.
All keepers, logs and lighthouse events are invented for this puzzle. Each task gives every rule you need, so no outside knowledge is required.
Your choices are summarized at the end, and any tasks with right answers are checked separately. Progress is kept in this browser only so you can resume.