Top similar games like The Inner Sea:
The Inner Sea $11.99
The Inner Sea is a sandbox like game with RPG elements set in the XVII century in a mysterious archipelago. You’ll build up your fleet from a single ship, hire crew, engage in naval battles, embark on missions and trade your heart's content away!
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Sagres$19.99
Set sail for adventure in the Age of Discovery! Explore the seven seas as the fresh-faced ship captain Fernando. Customise your ship, battle against pirates and sea monsters, and assemble your crew to delve into the mysterious disappearance of the legendary explorer, Sir Antonio.
Starmancer$14.99
From a small 2-man team comes a unique space station management sim. Take on the role of an A.I commanding a lost space ark. Try not to let your crew run amok and wreck the place.
Starship TheoryFREE
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.
StoneTide: Age of Pirates$9.99
Embark on your most immersive, open world, pirate action experience ever! Will you survive the World of StoneTide?
BlackwakeFREE
Blackwake is a multiplayer naval FPS focused on teamwork and cooperation. Fire the cannons, sink enemy ships or board them with firearms and steel.
Minds of Nations$19.99
Grand Strategy Game. How does reincarnation affect the evolution of a state ? Control the material well-being of your country with a backbone of spiritual growth. Religion. Economy. Diplomacy. War. Souls. Karma. Ideology. Tech. Stories. Single-Player. MMO.
2D Paintball$14.99
2D Paintball is a competitive, high-speed, real-time, online multiplayer, speedball game, in 2D! 2D Paintball has "sim" roots and is meant to be difficult (yet rewarding), is skill-based, and much more than meets the eye; read below for more info!
Make Sail$19.99
Make boats and sail them. Survive an ocean of storms and beasts to find better pieces to make your ship bigger, faster, stronger, prettier, stranger, wilder: more yours.
Simian Rising$12.99
Interdimensional UFO Simulator
MODERN NAVAL COMBAT$19.99
This game is a simulation real-time strategy game with the theme of modern naval warfare. Players can control all kinds of active naval equipment of the three camps, and use the common tactics and tactics of the navy in reality to start a fierce confrontation with the computer.
Ascent - The Space Game$19.99
Ascent is a PVE sandbox space MMO with 270 BILLION star systems and an emphasis on strong Sci Fi. It encourages Exploration, Colonization, Research, Asteroid mining, Farming, Trading, and Combat. Outside the tutorial sector, everything in-game has been built by players.
Block of Rum$1.99
Block of Rum is a sandbox dedicated to building sailing ships and piracy.
Stellar Tactics$19.99
A Sci-Fi role-playing game featuring turn-based ground combat, space exploration, deep character customization and a massive living universe with over 160,000 star systems. Equip your ships with the best equipment you can find, gather a powerful crew of mercenaries and set out into the void!
Voidspace$12.99
A highly experimental SCIFI sandbox MMORPG. Using only 2D, top-down visuals, we're attempting to push the limits of the MMO genre to create a game world that is similar in some ways to Ready Player One. Featuring perma-death, and player societies. Every man-made object is crafted by a real player.
Wayward Terran Frontier: Zero Falls$29.99
2d space combat like no other. From the perspective of a single crew member, explore the fully destructible interior of any ship in a massive living world. Engage in space combat with no hitpoints where you know your enemy is dead when you see them fall out of their ship into the cold dark of space.
Valdis$2.99
Valdis is a pirate bullet hell adventure! Explore the high seas of Valdis and find treasures. Defeat enemies in cold-blooded combat dodging endless projectiles.
Space Architect$9.99
Design your dream space station in Space Architect! Master the power of automation or 'hire' an army of crewmates to handle your ever-growing production. Mine asteroids, fabricate goods, and engage in interstellar trade to pay off the menacing Big Evil Corp. Will you thrive in the vastness of space?
In Search of a Home$0.99
In Search of a Home (ISH) is a strategy rogue-like space exploration game where you lead a small fleet of ships and people out into unknown galaxies to find a new home. Not everyone will make it to your new home, and not everything is essential.
Out of Reach$14.99
You’re a castaway stranded in the middle of nowhere. Storm is gone, the worst certainly not. Look for food and resources, craft gear, make shelters. These are the basics, you need much more to stay alive on this cut-off-the-world, yet not desert island. Build & burn, sail & explore, be Out of Reach!
Zotrix$12.99
Zotrix is a modern take on the classic arcade shooter. The game introduces resource trading economy and system of upgrades between number of space stations bringing the classic experience into modern generation. Aliens are attacking and Solar Division Command needs You!
Structura$7.99
Structura is a rather unique sci-fi real-time strategy set in space. Its a hybrid of rts and fps, with emphasis on combat and survival. Build your economy for war, modify the unit by adding components, explore, expand, and survive the savage waves of enemy attacks.
P1R4T3S$9.99
Gather a fearsome crew and sail the space boarding ships and stations, robbing them naked, and shooting whoever stands in your way in the roguelike with RPG elements P1R4T3S!
Deep Space Battle Simulator$9.99
Two teams of players control their capital ship in an epic battle. Customize your ship, control its movement, weapons, and energy distribution or go to one of the hangars to join the battle in a smaller fighter!
Ultimate Admiral: Age of Sail$29.99
Ultimate Admiral: Age of Sail is a tactical wargame from the creators of the Ultimate General series set amidst the epic naval campaigns in the period of the American Revolutionary and Napoleonic Wars.
Space Shells$9.99
Space Shells is a rogue-lite sci-fi VR game following an intergalactic mercenary tasked with hijacking a fleet of stunningly designed spaceships. Eliminate enemy droids, making clever use of specialized robotic shells to complete each treacherous mission.
Journey Of Life$14.99
You have experienced the sudden loss of your wealth, which has compelled you to abandon your previous life and begin anew. By venturing into the game world, you can construct settlements and forge alliances with other players, ensuring that you will always have exciting challenges to undertake.
Of Ships & Scoundrels$14.99
Of Ships & Scoundrels takes you on a journey to unknown lands that wait to be explored and conquered. As the commander of your fleet, you have to steer your battleships through a beautiful scenery of little islands, fight against enemies, friends - and forge dubious alliances.
Lazy Galaxy 2$7.99
Lazy Galaxy 2 is an idle/clicker game with base-building and RTS elements. Lead an evil (albeit lazy) alien race to conquer the universe! Expand your base, fight vicious foes, and conquer the galaxies. Acquire combat experience and convert into candy, the most precious alien resource!
WARSHIFT$9.99
Unique mix of Action, RTS and RPG gameplay elements that forms an innovative game genre. You can build base, manage troops, and then come down to keep your enemy at gunpoint in the dynamic battle and customize your main characters.
Space Station Manager$11.99
Space Station Manager is an exciting game where you own a space company, your main goal is to build a space station, make profit, grow your business, build an economical network, and expand beyond the solar system.
Naval Battles Simulator$14.99
Naval Battles Simulator is a WWII real-time strategy and simulation game.
DangerSpace$24.99
DangerSpace is a blend of thrilling space sim and tense RTS gameplay. The deliciously heavyweight, physics-driven flight engine gives a new gaming experience.
Powerboat VR$18.99
Take the helm of a variety of different ocean vessels from small sport boats all the way up to large commercial vessels. Dynamic seas, Day/Night cycle, RADAR, GPS, "IALA A" Buoyage with NavAid/AtoN lighting systems provide a realistic sailing environment. VR & Non-VR modes supported.
Path Of Wuxia$34.99
Path of Wuxia combines classic wuxia world and youthful school life with anime art style, features simulation gameplay well known by Heluo fans. Play as a young Xia who join the academy known as the Hermitic Pavilions of Xia, grow strong along with various schoolmates and seek your own path of Xia.
XR22-SEAGUARD$3.99
XR22-SEAGUARD is a PC and VR game that reimagines the classic grid-based game of Battleship. This immersive PC and VR game puts you in the heart of a dynamic 3D industrial environment, where you'll strategically place and sink ships using state-of-the-art weapons and defenses.
Battlefleet Engineer$11.99
Engineer spaceships, compose fleets and command them in in real-time battles. All ships are completely defined by their module composition. Achieve victory with brilliant command on the battlefield and by engineering it into your fleet.
Lost in Nature$14.99
As a shipwrecked person, you are stranded on a beautiful and wild island. Collect resources and build structures like campfires and shelters to survive but be cautious - the raw environment is constantly challenging you! Are you ready for the adventure of your life?
Voxel Tycoon$24.99
Voxel Tycoon — a management sim set in the infinite voxel world. Mine resources and process them into goods on your custom factories. Set up supply chains and passenger routes with a huge fleet of trains, trucks, and buses, and turn small towns into prosperous megacities with a thriving economy!
Interstellar Pilot 2$0.99
The hit mobile game Interstellar Pilot 2 has come to Steam. Join the TEF forces heading to the Gatopean sector to find a new home for mankind. Play how you like in this open world space-sim developed by Pixelfactor.
Space Universe$14.99
Space Universe —take part in a vast procedurally generated Universe. Players will realize their ambitions and ideas, therefore developing and moving ahead on the way into the Universe. In Space Universe, you will have a full freedom of action: you can destroy everything in your way, investigate space bodies, extract valuable materials,...
Celestial Command$19.99
Mine asteroids, salvage space debris, design your own small or massive spacecraft using individual functional components, complete missions, and engage in battles against enemies in a vast galaxy with realistic physics based on orbital mechanics or in a classic physics mode.
Touhou Big Big BattleFREE
just a touhou rts game
City Block Builder$9.99
Experience a beautiful tycoon management style game that allows you to build your own business empire in Los Angeles during the 1950s era. Manage businesses ranging from Movie Theaters to Jazz Clubs to Restaurants and more!
Planet ExplorersFREE
Planet Explorers is an open world sandbox adventure RPG game set on a distant planet. The game uses a new OpenCL calculated voxel system to allow players to change the terrain in any way, create new objects such as weapons, vehicles, objects, and do it anywhere.
★ Fallalypse ★ Death or Cress ♝$199.99
The communication with SH42 looking for new planets suitable for life was lost. The last message sent from it said: "Death or Cress". A space-marine and a priest of the newly-formed Space Battle Church set out on a search of the survived or to read the funeral service for the remains of the dead.
Rasen no Sora$14.99
"Spiral Universe" "Space Fleet x Character Game" Battle of Delusion Fleet.
Stone Rage$8.99
Stone Rage is a prehistoric, open-world survival game. Play as a Cro-Magnon or Neanderthal and shape-shift into beasts as you secure your place in a harsh landscape of dangerous animals, scarce resources, and unforgiving climates. Make friends and enemies. Build. Fight. Survive.
You Are God$4.99
Control the weather on a planet. Watch the life grow and develop religion and technology. Will they worship you or forget you?
时间旅者(TimeWalker)$11.99
Time traveler is a doomsday survival RPG indie game. Players seek food through gathering and hunting, collect all kinds of materials, look for clues and learn skills. Through countless hardships and dangers, find self and love, and try to live in this doomsday world.
Adam: Robot World$6.99
Build your stronghold and survive in the wasteland world controlled by artificial intelligence. Deal with relationships with other strongholds, develop allies or conquer them. Control pollution and fight against bad weather. Protect your base and destroy your enemy.
Deichgraf$6.99
Deichgraf is a small, calm, but sometimes intense building game. Build your own village and protect it against water caused by floods and heavy rain!