All music may be found on Pixabay, which provides royalty free music, free for commercial and non-commercial use.
The theme music is "Untamed Land" by Electronic-Senses.
Music during the synopsis of "All or Nothing!" and the end credits is "Thorn & Thickets" by hatgoki.
Music during the synopsis of "Ghosts" is "On Questions of Responsibility" by Lloyd Rodgers.
Music during the G2 Spotlight is "From Dust" by hatgoki.
Explosion sound effects come from www.soundjay.com, which provides such sounds free of charge.