Playable characters Subterranean Animism has two playable characters, Reimu and Marisa, each of whom can choose one of three partners, that will give special abilities. • – The
miko of the Hakurei Shrine. • – A yōkai who can control boundaries, and allows Reimu to teleport. • – An
oni whose ability is to gather things, and allows Reimu to collect all onscreen items. • – A
tengu with exceptional speed, and allows Reimu to temporarily move quickly. • – A magician who lives in the Forest of Magic. Marisa is faster than Reimu, and can collect items more easily. • – A magician puppeteer, who doubles the player's maximum shot power, from 4 to 8. • – A magician of the elements, who allows Marisa to shoot from five different attack formations. • – A
kappa who uses advanced technology, giving Marisa high-powered missiles. Nitori can deploy a temporary shield, which will clear the screen of bullets if the player is hit when it is active, and restore some of their shot power if they can last for its duration without getting hit.
Enemy characters • – Stage 1 midboss, a
tsurube-otoshi who attacks the heroines out of nowhere. She appears in a well bucket and it is assumed she rarely, if ever, leaves this. • – Stage 1 boss, a
tsuchigumo who is able to inflict diseases on her target despite her cheerful personality • – Stage 2 boss, a green-eyed, jealousy-driven
hashihime who tries to drive the heroines away from the ancient city. • – Stage 3 boss and friend of Suika, she is also an oni who leads the heroes to the Palace of the Earthly Spirits. • – Stage 4 boss and owner of the Palace of the Earthly Spirits, she is a
satori who has the ability to read minds, making her hated and feared among all living creatures. She keeps many pets, as she is well liked by animals, who normally cannot be understood by others. • – Midboss of stages 4 to 6 and boss of stage 5, she is a pet
kasha of Satori who is left in charge of the Hell of Blazing Fires. She spends her time carting off corpses to keep the fire strong enough. Though her full name is Rin Kaenbyou, she is referred to by her nickname Orin in the game. • – Stage 6 boss, a hell raven who was given the power of nuclear fusion via Yatagarasu. She attempts to revive Hell's down-scaled fire with her new powers. • – Extra stage midboss, the miko of the
Moriya Shrine, where she is encountered. • – Extra stage boss, she is Satori's sister but does not have the power of mind reading after she sealed off her third eye, sealing her heart to others in the process. By doing so, she became able to control the
unconscious mind. She goes to the shrine to find the god that gave Utsuho her power. Background characters: • – Explains Kanako's motivations to the heroines after Koishi is beaten in the Extra stage. • – Set the plot of the game in motion by giving the power of nuclear fusion to Utsuho. == Development ==