S.O.N.A.R. Survival Guides

Find S.O.N.A.R. guides about Survival, with the relevant game version and source context.

S.O.N.A.R. Submarine Upgrades: Where to Find Them in Open World Survival

Find out where S.O.N.A.R. submarine upgrades fit into Open World Survival, how ports support progression, and which activities earn money.

Plan your S.O.N.A.R. survival run around exploration, ports, crew supplies, treasure, and submarine upgrades in the full game's open world.