Dandelion Void is an action-packed survival game set in a decaying starship, the Pergola, which is on a generations-long journey through space. Players navigate through overgrown jungle corridors to find crafting materials, weapons, and decorations while dealing with the challenges of life support systems gone awry. The game emphasizes exploration and survival, requiring players to manage hunger, thirst, and shelter, while also ensuring their character's comfort and happiness. Building a home in various locations, from air ducts to reactor pools, is essential for boosting morale and maintaining survival.

The game features a rich backstory rooted in an alternate timeline, where the remnants of civilization have created a military regime in response to societal upheaval. Players will encounter hostile environments filled with dangerous flora and must repair protective gear to explore these treacherous areas. Additionally, Dandelion Void includes a custom map editor and a Lua API, allowing players to create and modify game content, enhancing the experience for modders and encouraging creativity within the community.