Flan is a single-player action-adventure game in which players operate two characters simultaneously, requiring coordination and strategic thinking to progress through the game. In this game, the story unfolds in a dark, cold environment where a girl awakens to find herself in an ominous setting, and her journey involves uncovering the truth behind her surroundings and encounters. It stands out with its unique gameplay mechanic of controlling two characters at once, blending elements of fantasy and adventure, and offering a colorful, cartoon-style visual presentation that enhances its immersive experience.