Dimensional fall

Notes drop through folding lanes. The judgment line bends. The camera tilts as the chart expands into a second dimension — still a rhythm game, never a flat highway.

• Styles: slider · mash · multi-finger · cross-hand · rolls · chords
• Steam / iOS / Android input maps share the same chart schema
• Operators: 2D PNG expression portraits (not Live2D) · voice/text AI later