Games like Maelstrom

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!

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.

Tortuga - A Pirate’s Tale tells the journey of a pirate captain with a lust for gold and glory who assumes command of a fleet of pirate ships to strike the Caribbean.

An open-world RPG, set in the Golden Age of Caribbean piracy. Embark on a 200-hour-long adventure, plunder cities and ships, explore the unknown, discover treasures, forge friendships, earn bounties on your head, and charm the ladies on your path to ultimate freedom!

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.

Salt 2 is a pirate-themed open world adventure focused on exploration, crafting, and survival. Play solo or with up to 5 friends, sailing the sea with your ship as a mobile base. Discover islands full of quests, towns, caves, and secrets. Level up, craft gear, hunt, fish, and customize your ship.

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.

In GREED IS GOOD, a PvPvE game, you will enter the mysterious dungeon as a Bounty Hunter. In the game, you need to cooperate with your teammates to fight against enemies and fears. Be aware of the toxic gas and be sure to escape before you are drown out.

Rogue Waters is a Pirate Tactical Turn-Based Rogue-lite. Play as Captain Cutter, commanding your ship and crew through procedurally generated encounters to seek revenge. Recruit, train, and upgrade crew, use powerful sea creatures, and engage in dynamic naval and melee combat to gain the upper hand.

You are lost in the Bermuda Void, where the ocean is endless and dry land precious. Craft your Ship-in-a-Bottle, then experience survival on the high seas. Sail for new land, build camps, hunt for treasures, trade for goods - then defend your ship from dreaded pirates stalking this strange realm!

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!

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.

Go from humble beginnings to a feared pirate captain in this seafaring open-world adventure! Enhance your reputation as you take on bounties, upgrade your ship, hire a crew and search for treasure, or just go fishing instead!

Embark on an over-the-top, modern-day pirate adventure with an ex-yakuza, now pirate captain & his crew. Engage in exhilarating combat on land and sea in the hunt for lost memories and treasure.

A PvP inventory management auto battler! Buy and craft powerful items, then carefully arrange them in your backpack.

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.

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.

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.

Command an ancient starship and fight your way to the heart of a dying Empire. Fend off attacks from demented cultists, craven space pirates, and xenophobic Imperial soldiers. Discover powerful artifacts and use them to build your ship into a fearsome war engine.

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.

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.

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.

Set sail on a voyage full of pirates, dark magic, and the thrill of discovery! Draco and the Seven Scales is a retro-inspired adventure that harkens back to an age of top down dungeon crawlers and lovable, crunchy pixel art.

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.

Explore the galaxy in this deckbuilding, sci-fi roguelike where ship upgrades and crew management are key to your survival. Optimize resource generation, engage in intense turn-based battles, and take on ever-growing threats as you seek out The Signal.

Pirate Fighting Simulator is a free multiplayer PVP game where you can fight friends or randoms on an island arena

Explore a fantasy ocean-punk world, braving the deep with steam-powered marvels. Discover mysterious underwater treasures, but scarcity and ecological crises test survival. Rise, build, confront foes in this pixel-art ocean survival journey!

Trouble stirs on the shores of Aurania. An ambitious new faction has unearthed forbidden relics capable of catastrophic consequences. But how far will they go to achieve glory? Take to the battlefield, sea, and sky with a cast of new Commanders, using your wits to wage turn-based war!

Build and command your own party of Dwarves in a chaotic mix of Auto Battler, Strategy, and RPG. Prepare formations, assign equipment, and decide the fate of up to 10 Beardlings, as you lead the raid party through reckless runs filled with Glory, Death, and Loot!

Shogun Showdown is a turn-based combat game with rogue-like and deck-building elements. Position yourself and attack at the right time, upgrade your tiles and combo them to get ready to face the Shogun!

LONESTAR is a strategic Roguelike spaceship deckbuilder. As a bounty hunter, you will capture criminals scattered across the universe. Win the shockwave battle to gain rewards and vacations. Find treasures, customize spaceships, unlock talents, defeat the felons and be a legend!

Reign of Guilds — the spiritual successor to the old-school fantasy where steel, magic, and skill decide your fate. Inspired by the legacy of Ultima Online and EverQuest.

以一种全新的真实视角，纵览全局，带你重回乱世三国之中，经营城池，招兵买马，率领亲自招募的武将征战沙场，和千万玩家一起，在三国真实地图上，攻城掠地，一统天下！

Take the loot, pirates! Bounty Rush is a 4 vs 4 multiplayer team action game. Work with your team to capture the other teams' berries!

Made in a close partnership with Games Workshop, Warhammer 40,000: Rogue Trader is a story-rich classical RPG from Owlcat Games, developers of the critically acclaimed game, Pathfinder: Wrath of the Righteous.

Lost Islands is a Cold Weapon PvPvE online multiplayer action game. You will play an adventurer to an unknown island, killing and co-operating with monsters and other adventurers on the island, embarking on an exciting adventure and eventually escaping with the treasure.