This isn't just a random file name; it's a piece of niche internet history often discussed in communities like

Kiko hits play.

collection represents the "lo-fi" aesthetic central to the "Cave Story" sound. These technical constraints were standard for early 2000s freeware development: castholm/cave-story-sound-test - GitHub

You can simulate the "hot" 22kHz, 8-bit sound in a DAW (like FL Studio, Ableton, or Reaper) by using plugins: