Tap a source, then equal rank on the outlined target beat. A/B checkerboard targets alternate each fusion. Next pulse cell is forecast for the current board; changes can move it. Add one pulse practices while paused. Resume runs a3s clock accelerating to0.7s; Pause stops it. R restarts; Tab/Enter supported.

Original compact interpretation; scenario rules and goals differ from the inspiration. No copied assets. See source notes and complete QA replay sequences.