Ninja Spirit began life as an arcade game and received many ports, including a Game Boy version and this version. It would be a stock platform game but for the ability to have up to two 'spirits' which behave like the options from Gradius.
In this run, CoolHandMike and EZGames69 complete the PCE mode of the game, saving 00:49.76 seconds over the previous run. Time savings within each level often result from lag reduction, which requires strategic routing, weapon usage, and enemy manipulation. The authors' comments provide details.