End the scene within 60 seconds whether complete or not. Each pair of players performs multiple scenes in a row. Verbal Two players alternate sentences to build a scene. Verbal Characters must alternate lines of only one word each. Gestures and facial expressions are almost necessary.
Sound effects work, too.
Unlike One Word at a Time, players speak one word at a time forming continuous sentences and telling a story together. Try to keep the flow and speak with one voice. Be in the moment. It is dangerous to try to plan ahead. Say the first thing that makes sense.