■Soulstone SurvivorsのSteamストアページ https://store.steampowered.com/app/2066020/Soulstone_Survivors/ ■Soulstone Survivors: PrologueのSteamストアページ※無料体験版 https://store.steampowered.com/app/2113430/Soulstone_Survivors_Prologue/
http://www.nicovideo.jp/watch/sm41633751