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

gain ground - 01 - title screen.vgm
gain ground - 02 - the primitive age.vgm
gain ground - 03 - the middle ages.vgm
gain ground - 04 - the modern age.vgm
gain ground - 05 - the near future.vgm
gain ground - 06 - gain ground, the final era.vgm
gain ground - 07 - boss.vgm
gain ground - 08 - gates of time.vgm
gain ground - 09 - best scores.vgm
gain ground - 10 - game over.vgm