Keep the sailboat on its optimal coastal course by recognizing working-boat vocabulary. The passage begins exactly on schedule.
Correct in ≤ 10 seconds: bank passage time. There is no cap.
Correct after 10 seconds: stay on schedule.
Wrong answer: lose 4 simulated minutes and make an inefficient maneuver.
Timeout: lose 7 simulated minutes. Harder terms receive up to 20 seconds.
36 questions are drawn from the complete 128-term bank, weighted across basic, intermediate, difficult, and expert vocabulary. Use keys 1–4 if you prefer.