So, different tracks are made by two different composers - Arno Cyreus and Zach Striefel
It turns out that Arno Cyreus actually has some of the tracks on their Soundcloud:
https://soundcloud.com/user-156088165/sets/ultra-90s-action-music-kit
But Zach Striefel's music doesn't seem to be publicly available.
I'll add that to the description, good call!