The game supports 4-player drop-in/drop-out co-op. However, the "tether" system means guest players must stay relatively close to the host, which can be a point of frustration for some. The "Build 31032022 Online" Context
The search result for primarily points toward repackaged or cracked versions of the game intended for unofficial play. If you are looking for a review of the game itself—specifically the Juggernaut Edition — Game Overview: State of Decay 2: Juggernaut Edition The game supports 4-player drop-in/drop-out co-op
The Juggernaut Edition features several diverse maps, including the rugged Providence Ridge. The atmosphere is tense, focusing on the "small-scale" apocalypse—neighborhoods and small towns rather than massive cities. The game supports 4-player drop-in/drop-out co-op