The modern Switch release includes three distinct versions of the game:
A re-balanced version of the original arcade game, optimized for 16:9. Core Gameplay Mechanics Akai Katana Shin Switch NSP/XCI [Update]
This mode replaces the "reflect" system of the arcade version with an aggressive scoring and bullet-canceling loop: Akai Katana Shin Review - Nintendo Switch The modern Switch release includes three distinct versions
The original 2010 arcade experience in 4:3 aspect ratio. but weaker option fire.
An updated "home" version with a 16:9 aspect ratio and the Katana system .
Higher movement speed, but weaker option fire.