Co-Op
Railborn supports online cooperative play for one to four players, with all players sharing a single train and dividing responsibilities for construction, resource gathering, and system management.
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Railborn supports online cooperative play for one to four players. All players share the same train and work together to construct, maintain, and pilot it across the planet's track network. The game is fully playable as a single-player experience as well.
In co-op, every player operates on the same train. Changes made by one player, including construction, resource placement, and system adjustments, are visible and functional for all others. The March 2026 alpha test specifically addressed synchronization of construction, player positioning, train boarding, and shared resource management across all connected clients.
With multiple players, the group can divide the responsibilities of running the train. One player can pilot while others gather resources off-train, manage power and water systems, tend to farming cars, or expand the train with new construction. The cooperative structure allows larger groups to advance more quickly.
Online co-op is handled through Steam. The game supports Steam invites for joining sessions with friends. Steam Family Sharing is also available.
Railborn includes full controller support, allowing players to participate in both single-player and co-op sessions using a gamepad.