If you are looking for a tool to make VGM for your game, then Beepbox is a good free option. Beepbox is a online tool for making music and can be used online and offline. It’s one of the most straight forward music making tools out there and is great when you need to mock up a sound or song for a game.
From just messing around and having no musical knowledge, I made these following tunes:
Have a good year and go out and make some VGM’s.