Every puzzle game is a couch co-op game, actually
SMRTR summary
Blue Prince is a complex puzzle game set in a mysterious mansion with ever-changing architecture. Players must find the hidden 46th room to claim their inheritance, building the manor daily with limited steps and uncovering layers of family drama and conspiracies in a visually stunning, slow-burn experience that naturally encourages cooperative play.
SMRTR provides this summary for quick context. The original article belongs to Engadget.
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