When night falls, she wanders into another world... Moonless Moon is a text-based adventure game following a girl as she travels through a variety of different worlds.
The text-based adventure follows the story of Yomichi, a girl who finds herself transported to fantastical worlds at night. The gameplay primarily consists of progressing the narrative through descriptive text and dialogue, occasionally interrupted by puzzle-solving elements.
Players accompany Yomichi as she explores the unique worlds she encounters, making friends and experiencing various situations along the way. The descriptive, atmospheric writing immerses players in Yomichi's nightly journeys and allows them to uncover the mysteries surrounding her experiences.
Interspersed throughout the narrative are "riddle" puzzles that require players to find keywords within provided text and use them to complete sentences or fill in the blanks. The reviews describe these puzzles as "very easy to solve" and "intuitive," suggesting they serve as light, enjoyable challenges that complement the storytelling.
Players' choices and decisions determine the progression of the story, leading to different endings. This branching narrative structure encourages replayability as players explore alternative paths and outcomes for Yomichi's journey, adding depth and replay value.
While the core gameplay focuses on the text-based narrative, the experience is enhanced by original music tracks, including animated music videos, that players can enjoy during their playthroughs. The game's visual presentation, though relatively simple with static character poses, is described as "beautiful" and "pretty," creating a serene, dreamlike atmosphere that complements the game's thematic elements.