Games like Silent Shark
Games like Silent Shark include UBOAT, Hearts of Iron IV, War on the Sea, Cold Waters, and Ultimate Admiral: Dreadnoughts. We matched them by the tags players give Silent Shark on Steam (Submarine, Simulation, World War II, Naval Combat, and Military): closest matches first, and among equally close ones the better-known games.

UBOAT
Shared: Simulation · Submarine · World War II

Hearts of Iron IV
Shared: World War II · Military · Simulation

War on the Sea
Shared: Simulation · World War II · Naval Combat

Cold Waters
Shared: Simulation · Submarine · Naval Combat

Ultimate Admiral: Dreadnoughts
Shared: Naval Combat · World War II · Naval

Men of War: Assault Squad 2
Shared: World War II · Simulation · Military

Sea Power : Naval Combat in the Missile Age
Shared: Simulation · Naval Combat · Military

Silent Hunter® III
Shared: Simulation · Submarine · Naval Combat

Silent Hunter 5®: Battle of the Atlantic
Shared: Simulation · Submarine · Naval Combat

Destroyer: The U-Boat Hunter
Shared: Simulation · World War II · Naval Combat

Steel Division 2
Shared: World War II · Military · Simulation

Wargame: Red Dragon
Shared: Military · Wargame · Simulation

Steel Division: Normandy 44
Shared: World War II · Simulation · Military

Call to Arms - Gates of Hell: Ostfront
Shared: World War II · Real Time Tactics · Military

WARNO
Shared: Military · Wargame · Real Time Tactics

Company of Heroes 2
Shared: World War II · Military · Tactical

Silent Hunter®: Wolves of the Pacific
Shared: Submarine · Simulation · World War II

Foxhole
Shared: Military · Wargame · World War II

Squad 44
Shared: World War II · Simulation · Military

Blitzkrieg 3
Shared: World War II · Military · Real Time Tactics

Wolfpack
Shared: Simulation · Submarine · Naval Combat

Crash Dive
Shared: Submarine · Simulation · Naval Combat

Ultimate General: Gettysburg
Shared: Simulation · Wargame · Military

Master of Command
Shared: Military · Real Time Tactics · Tactical