Games like 688(I) Hunter/Killer

Destroyer: The U-Boat Hunter brings you an authentic and historically accurate destroyer simulation along with gripping anti-submarine warfare set in the turmoils of the Atlantic Ocean during World War II.

UBOAT is a simulator of a submarine from WWII era. It is a survival sandbox with crew management mechanics while its primary theme is life of German sailors. The boat is their home, but it can become their grave at any time.

From the lead designer of Cold Waters, Sea Power lets you control NATO and Warsaw Pact forces in modern naval conflict campaigns. Use your advanced naval weaponry and sensors to respect rules of engagement and defeat the enemy forces in a tense fight for initiative and air/naval supremacy.

Darkwater is a cooperative extraction horror game for 1-4 players. Command a submarine trapped under the ice of an alien planet. Battle enemy vessels and deep sea abominations as you hunt for resources. Do what it takes to survive.

UBOAT: The Silent Wolf is an amazing combination of a role-playing game and a simulator, offering a deep and immersive experience, allowing you to feel like a real submarine captain during World War II.

Skull and Bones is an open world naval action RPG where ship combat, build choice, and sailing skill define your pirate legend. Conquer rival ships and mythical beasts in a vast ocean of up to 20 players.

Fish around the globe using float, bottom, spinning, or casting gear, and catch over 60 realistic fish species. Play solo or online in normal, realistic, or sandbox mode! Explore stunning locations, switch to an underwater cam, and fill your trophy room!

Fight for survival in Blazing Sails, a fast-paced pirate PvP game! Create your own unique pirate and ship. Band together with other players to command your mighty vessel! Explore different game-modes, maps, weapons, ship types and more while eliminating other crews in epic battles on land and sea!

Build your maritime career solo or with up to 4 players. Take on contracts across diverse harbors, command different ships, and tackle cargo runs, patrols, rescues, firefighting, and unexpected events in a vast Northern European open world.

Age of Water is an online adventure game set on a post-apocalyptic Earth completely covered in water. Sail through storms, fight and trade, capture other people's boats or build your own, extract resources from the bottom of the ocean and reveal the secrets of the Age of Water world.

Solo or up to 8 players. Get rid of your employer's failed experiments in abandoned underwater labs. Navigate your submarine, avoid abyssal terrors, and remove all corpses.

Bodycam is the first tactical multiplayer FPS with a true body-camera view in Unreal Engine 5. Close-quarters combats feel raw and loud. Every angle, callout, and bullet matters. Play Deathmatch, Team Deathmatch, and Wingman on photoreal maps where teamplay, tactics, and clutch skill are key.

Join a small community of rejects, try to survive in hospitable world of peak capitalism. As a modern pirate you will scavenge wrecks of rich peoples' yachts for resources, grow weed and manage automated factories.

Onward is the most immersive tactical VR shooter. Join your squad for a wide variety of competitive PvP, co-op PvE, and solo game modes, including intense multiplayer battles or 4-player co-op missions. Realistic weaponry and combat mechanics will push your survival and combat skills to their limit

Zero Hour is a tactical FPS with online team-based game play that takes place in a variety of fictional locations interpreted in Bangladesh with Real-life scale & resource management. It brings a grounded, close quarter combat experience to the game.

Experience warfare like never before! Men of War II, the anticipated sequel to the highly acclaimed RTS franchise is here with all-new units, locations, campaigns, game modes and true trademarks of the series: historical fidelity and action-filled gameplay on the Eastern and Western Fronts of WWII.

Command military Special Ops Teams in gripping tactical combat against a Middle East-based terrorist network. Sequel to RockPaperShotgun's "Best Tactics Game of 2014".

Descend as the AI mind of a cutting-edge submarine, tasked with safeguarding mysterious waters. A narrative-driven tale blending sci-fi, underwater mythology, and a chilling exploration of Artificial Intelligence’s moral evolution.

Build your maritime career and grow your fleet in a next‑generation ship simulator set in an expansive open world of Norway’s Lofoten region. Command service, cargo, and fishing vessels in singleplayer or online co‑op, mastering realistic ship handling, dynamic weather, and professional jobs at sea!

Fly near-future aircraft with immersive physics across dynamic battlefields, facing land, air, and sea threats. Wage war against AI or rival pilots using an array of advanced weaponry, including tactical and strategic nuclear weapons capable of annihilating anything in your path.

Skill-based gunplay meets turn-based tactics in SteamWorld Heist 2! Aim carefully, bounce bullets, and pull off trick shots in high-stakes heists. Choose your crew and utilize 150+ items to navigate real-time naval battles and daring missions in this 30+ hour adventure to stop a deadly water crisis.

From one of the developers behind the original Rainbow Six® and Ghost Recon® games, comes a thinking-man's first-person shooter featuring in-depth character and weapon customization. Take your time. Think ahead. Get the job done.

Unleash voxel warfare in 9-Bit Armies: A Bit Too Far. Lead a modern military, build bases, unlock units, and attack in all-out war. Engage on land, sea and air in over two dozen missions, online skirmishes, or co-op. Easy to learn, a challenge to master.

Command massive armies in this epic mech auto-battler. Draft your troops, customize your units, master your formations, and crush enemies in spectacular 3D battles. All strategy, no clickfest. Outsmart opponents in 1v1, 2v2, free-for-all, or Survival Mode.

Create, customize and command your battle wagon to conquer crazed enemy factions and save innocent survivors scattered throughout the lawless Badlands in the aftermath of a devastating apocalypse. Do you have what it takes to Build, Evolve and Fight to survive?

Earth, 1976. You have been tasked with managing a deep-sea science facility working to perfect cloning. Explore the darkness and keep your crew alive in this hardcore survival colony builder. And beware. The darkness hides untold horrors.

A dark sci-fi mech assembling manager with semi-auto battles against mutating, alien bio-weapon.

Direct Contact delivers an authentic and immersive first-person, Co-Op tactical experience, built for those who demand realism, strategy, and precision. Operate as Special Forces, utilizing a vast arsenal of real-world weapons and equipment. Engage in dynamic combat.

Ready or Not is an intense, tactical, first-person shooter that depicts a modern-day world in which SWAT police units are called to defuse hostile and confronting situations.

You find yourself stationed behind the awesome firepower of a 40mm anti-aircraft fixed deck gun on the bow of a battleship. Your mission is to blast away at the endless onslaught of enemy attackers bent on sinking your battleship.

Deadzone: Rogue is a roguelite FPS set in space. Blast through swarms of hostile machines, combine powerful augments and elements to forge your build, and grow stronger with each run — solo or in co-op.

Starship Theory is a ship building survival game. Mine and trade to gather resources. Plan and construct new upgrades. Train and manage crew. Fight to survive.

Take control of a Soviet locomotive and embark on a dangerous journey along the world's longest railway line. Face mafia rivals, bandits, wild animals, constant breakdowns, severe frosts, hunger, and... a hangover. How far will you get before your supplies run out?

In Sea of Survivors, you can sail your ship in any direction but you can never stop moving. Evade and destroy hordes of pirates and sea monsters to gain experience, level up and choose upgrades for your ship. Explore oceans filled with mysterious curses, unlock treasures and fight for survival.

Like a dead man reanimated by dark sorcery, the necromancer simulator is back! Give the undead the ability to fly over mountains and swim across rivers, explore a fully generated world at night and fend off enemy hordes during the day. Start a new, uhm, life.

From a small village of a dozen people to a small kingdom of thousands of people. Arrange for residents to work, gathering, fishing and hunting, farming and mining, processing and manufacturing. Trade, accumulate supplies, increase your strength, and fight evil forces and monsters.