I'm very like it! It's heard that it is not finished, it can be better and in general it's short, but this is exactly what I expect from a Japanese arcade/fighting game on the SNES. Awesome work!
>I'm somebody who often relies on chords and polyphony
.MOD music taught me that in such cases you can always sample not the instrument, but a chords themselves. But I do not know what you were specifically planning, so... ¯\_(ツ)_/¯