Players take on the role of a bat who must navigate a labyrinthine cave system using echolocation. The game involves tapping a screen to emit high-frequency sounds, which bounce off walls and creatures, creating a mental map of the environment. As the bat, you use this internal echolocation to build a mental image of the surroundings, avoiding obstacles and finding food sources.
The core mechanic of the game lies in using sound waves to sense the environment. By emitting different frequencies, you can create a virtual map of the surroundings, but inaccurate waves can result in undesirable outcomes such as missed food sources or collisions with obstacles. The survival challenge lies in adapting to changes in the environment and developing a nuanced understanding of sound-wave interactions.
The game does not require registration or download, and can be played directly in the browser. Players must rely on their wits and spatial reasoning to successfully navigate the cave system, making navigation, exploration, and foraging more complex and demanding as the game progresses.