Before We Leave is a unique city-building simulation game designed for Mac users, set in a charming universe. Players guide their civilization, which has just emerged from underground, as they rebuild society by constructing huts, harvesting crops, and expanding across various planets. The game emphasizes resource management and exploration, allowing players to discover ancient technologies and establish a network of colonies throughout their solar system.

The gameplay is primarily non-violent, focusing on peaceful expansion and resource management. Players must navigate challenges posed by ancient guardians and manage the aftermath of historical disasters that affected their planets. Additionally, they must be cautious of space whales that can threaten their newly established settlements. This engaging game offers a relaxing experience, encouraging players to build and explore at their own pace.