20 multiple-choice questions across 5 blocks of increasing difficulty, based on Lightfarm Studios' Helix / P4V Manual.
How it works: questions appear one at a time. Choose an option and click Next to confirm. You cannot go back to a question once you have moved on, so review your choice before confirming. Your answers and score only appear on the final screen, after the last question — and the result is sent to Lightfarm Studios automatically.