Subnautica 2 has a maximum co-op limit of four players, meaning you and up to three other friends can play in the same party ...
17hon MSN
How does co-op work in Outbound?
You'll have to unlock multiplayer before a friend can join the ride.
Skoar! on MSN
Understanding co-op gameplay in Outbound
To let a friend join your adventure, you'll need to unlock the multiplayer feature first.
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