List of sound playables on this page (7 files):

01 - ruins (stages 1 & 6).vgz
02 - field (stages 2, 4, & 9).vgz
03 - maze (stages 3 & 7).vgz
04 - problem (stages 5 & 8).vgz
05 - ending theme.vgz
06 - game over.vgz
07 - continue.vgz