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Survival in Railborn requires managing several systems simultaneously. Beyond the challenge of expanding the train, players must keep themselves alive by sourcing and maintaining food, water, and breathable air. The planet's environment actively works against the player at every step.
Threats
The primary threats to player survival are:
Starvation: food must be gathered or grown to maintain health.
Dehydration: water must be collected and managed on the train.
Suffocation: the outside air is toxic, making extended time off the train dangerous without protection.
Environmental hazards: the planet itself presents obstacles and dangers across the track network.
Food and Farming
Players gather food from the world around them in the early game. As the train grows, dedicated farming railcars can be constructed to grow vegetables and other crops. Small vegetable plots can be established early, providing a more reliable food source than pure scavenging. Rare plants found across the dying planet can also be cultivated in greenhouse cars, preserving plant life from extinction while helping to sustain the crew.
Water
Water cannot be assumed to be available. Players must actively capture it from sources found along the track network and route it through the train's water distribution system. Managing water supply is one of the core ongoing responsibilities.
Toxic Air
The atmosphere outside the train is hazardous to human life. Players venturing off the train to gather resources or explore face suffocation risk. Managing air supply is an important consideration when planning off-train excursions.
Power
The train's systems depend on power, and power must be actively managed and distributed. As new railcars and systems are added, the power network must be expanded to support them. Failure to maintain power affects the train's ability to function and move.
Biome Preservation
Rescuing and cultivating rare plants from the dying alien world is part of the survival loop. These plants can be grown in greenhouse railcars, providing food and helping to recreate small functional biomes on the train itself.