Multiplayer and co-op
A direct, dated answer based on the current official store feature list—not on wishlists, rumours, or features from similar games.
Current official answer
The current official Steam listing includes Single-player and does not list online co-op, local co-op, or multiplayer features.
It is not listed in the current official Steam features.
It is not listed in the current official Steam features.
Store features can change. This page records the current listing and will be checked again at launch.
Evidence rule
This page does not claim that multiplayer can never be added. It answers what the official listing says today and keeps the verification date visible.