List of sound playables on this page (10 files):

01 title screen.vgz
02 coin.vgz
03 start - main theme.vgz
04 round clear.vgz
05 game over.vgz
doki doki penguin land (sg-1000) - 01 - title.vgm
doki doki penguin land (sg-1000) - 02 - start - main bgm.vgm
doki doki penguin land (sg-1000) - 03 - round clear.vgm
doki doki penguin land (sg-1000) - 04 - game over.vgm
doki doki penguin land (sg-1000) - 05 - main bgm.vgm