Maboroshi Tsukiyo is a visual novel adventure game that originated on Sega Dreamcast and was ported to PlayStation platform half a year later. The game features fullscreen presentation with dialogue and description text displayed over dimmed background rather than utilizing dialogue windows. The story progresses one day at the time and takes place between June and September. The protagonist, a high-school student whose name can be entered by the player or left as default, meets Ayame, a ghost girl, who starts living with him. Ayame cannot do much in her ghost form, but she can possess someone else's body.
The game's story takes a turn from peaceful life to mystery and adventure filled one. Based on player's actions as well as events in the past intertwined with present story, the game will branch in a certain direction and lead to one of several different endings. The player's choices and decisions will influence the outcome of the game.
Maboroshi Tsukiyo is an interactive experience that requires player input to progress through the story. The gameplay involves making choices, interacting with characters, and solving puzzles to unravel the mystery behind Ayame's presence in the protagonist's life.