Games Like Phantom Signal — Sci-Fi Strategy Game

Build and design your own fleets and stand opposed to the Particulate in this physics/strategy/RTS/fleet hybrid. Build partially destructible and self repairing ships that interact with enemies less controlled by some scripted logic and more driven by a real time massive physics particle simulation.

Why similar: Strategy 31.1%, Space 21.7%, Simulation 13.4%, RTS 11.5%, Tower Defense 10.1%

Why You'll Like It: Features similar real-time strategy mechanics focused on managing space-based units and defensive structures.

Space Run is a «real-time spaceship construction strategy game». Space Run takes the well-known Tower Defense-style gameplay and twists it, challenging you to manage and protect a spaceship and its cargo against the hazards of deep space!

Why similar: Tower Defense 46.9%, Space 24%, Strategy 19.2%, Sci-fi 7.4%, Indie 2%

Why You'll Like It: A fast-paced space-themed tower defense game that shares the core strategic loop of protecting assets in transit.

The unstoppable fluid enemy has returned and destroyed every world in its path! Defend against Creeper as it floods across the 3D terrain in this real time strategy game where the enemy is a fluid.

Why similar: Tower Defense 33.4%, Space 20.8%, Strategy 15.7%, RTS 12.4%, Sci-fi 9.6%

Why You'll Like It: Combines fluid-based tower defense with real-time strategy in a sci-fi setting that mirrors the tactical depth of the seed game.

Nomad Fleet is a RTS game where you must lead the last remnants of Mankind to safety after a mysterious alien race has hunted them near extinction. Lead a fully armed fleet of battleships, carriers and fighters through a series of randomized scenarios and encounters where they must fight for their survival while scavenging for resources,...

Why similar: Strategy 37.7%, Space 29.5%, Sci-fi 14.4%, RTS 12.3%, Indie 5%

Why You'll Like It: A real-time strategy game focused on managing a fleet in space, closely matching the sci-fi RTS feel of the seed game.

An open-ended factory management game with RTS and tower defense elements.

Why similar: Tower Defense 59.4%, Strategy 28.3%, RTS 9.9%, Indie 1.4%, Singleplayer 0.9%

Why You'll Like It: Integrates tower defense with resource management and automation, offering a deep strategic experience similar to the simulation aspects of the seed game.

Lead an armored squad through the perils of this reversed tower defense action-strategy game!

Why similar: Strategy 39.9%, Tower Defense 38.5%, Sci-fi 11.4%, RTS 5.5%, Indie 3.6%

Why You'll Like It: A reverse tower defense game that provides a high-intensity strategic experience in a sci-fi environment.

Ancient Space is a story driven single player real time strategy game where you take command of a fleet embarking on a scientific mission to chart undiscovered reaches of space called ‘The Black Zone’. Overcome overwhelming odds and fight for your life and the survival of your ship and its crew.

Why similar: Space 33.6%, Strategy 32.9%, RTS 15.7%, Sci-fi 11.5%, Space Sim 4.4% ★

Why You'll Like It: Provides a narrative-driven space RTS experience that emphasizes fleet management and strategic positioning.

Want a tactical and strategic tower defense challenge that's packed with options and upgrades? Take command of the dropship Sentinel and do battle across a vibrant sci-fi world.

Why similar: Strategy 40.5%, Tower Defense 34.7%, Sci-fi 18.3%, Indie 6.5%

Why You'll Like It: A classic tower defense experience that emphasizes strategic placement and sci-fi aesthetics.

Build a space station. Command the tiny crew. Explore the galaxy. A meditative space strategy game.

Why similar: Tower Defense 35.1%, Space 18.3%, Strategy 17.8%, RTS 14%, Casual 5.3%

Why You'll Like It: A minimalist real-time strategy game that focuses on base building and defense in a clean, space-themed environment.

Harvest: Massive Encounter is an award-winning real-time strategy game with battles of epic proportions and a unique style of resource management and exploration. Build power plants, mineral harvesters and defense towers and make sure they have sufficient energy to fend off endless hordes of evil aliens.

Why similar: Tower Defense 53.2%, Strategy 32.5%, Sci-fi 8.5%, Indie 4.8%, Singleplayer 1%

Why You'll Like It: Combines resource gathering with tower defense in a sci-fi setting, mirroring the core gameplay loop of the seed game.

Space Run Galaxy is the sequel to Space Run, the game from one-man studio Passtech, which seduced hundreds of thousands of players with its dynamic and original gameplay. By twisting the tower-defense game style, Space Run offered an addictive real-time spaceship construction strategy experience.

Why similar: Tower Defense 44.4%, Strategy 32%, Space 19.9%, Indie 3.8%

Why You'll Like It: Expands on the original tower defense mechanics with more depth and exploration, fitting the space-sim theme perfectly.

The first ever auto-battler game, from way back in 2009Who needs backstory? Who needs resource-gathering? Diplomacy is so last year. Gratuitous Space Battles cuts right to the chase of sci-fi strategy games, and deals with large, completely unjustified space battles between huge opposing space fleets.

Why similar: Space 26.2%, Strategy 25.2%, Tower Defense 14.8%, Sci-fi 14.7%, Simulation 8.4%

Why You'll Like It: Focuses on the strategic setup and automated combat of space fleets, capturing the tactical feel of space-based RTS games.

This is a fun yet challenging RTS game. To survive in the vast galaxy, you need to build up your own fleet and customize your warships. You will also learn to control them efficiently in battle to defeat your enemies, conquer planets, and expand your galactic empire!

Why similar: Strategy 35.6%, Space 33.5%, RTS 15.3%, Sci-fi 12.7%, Indie 3%

Why You'll Like It: A space RTS that focuses on managing individual ships and tactical combat maneuvers.

Battlevoid: Sector Siege is an epic straight into action real-time space strategy game, in which the world has been built to deliver a lively battle field; and the action is never more than just seconds away at the start of every game.

Why similar: Strategy 30.1%, Space 28.9%, Simulation 14.5%, RTS 11.6%, Sci-fi 9.1%

Why You'll Like It: A space-based strategy game that emphasizes fleet combat and tactical decision-making.

Aeon Command is a tug of war strategy game, where you play as one of three unique factions to help gain dominance over the Aeon Nebula! Take control of your mother ship to gather resources, produce ships and fight off the enemy mother ship. Grow stronger as you progress through the 24 mission campaign and unlock new upgrades.

Why similar: Strategy 50.8%, Space 21.5%, Sci-fi 11.6%, Casual 10.3%, Indie 5.9%

Why You'll Like It: A casual space RTS that focuses on lane-based combat and strategic unit deployment.

Battlevoid: Harbinger is a hard sci-fi space exploration game blending roguelike, turn-based, star map strategy, and real-time space battles. You are a young commander venturing out into enemy territories, to unknown galaxies, never knowing what you will face as you jump out from hyperspace.

Why similar: Space 41.5%, Strategy 32.4%, Simulation 13.7%, Sci-fi 8.3%, Indie 3.1%

Why You'll Like It: A space strategy game with roguelike elements that focuses on exploration and fleet management.

Defense Grid: The Awakening is a unique spin on tower defense gameplay that will appeal to players of all skill levels. A horde of enemies is invading, and it's up to the player to stop them by strategically building fortification towers around their base.

Why similar: Tower Defense 68.1%, Strategy 19.1%, Sci-fi 9.7%, Indie 2%, Singleplayer 1.2%

Why You'll Like It: A quintessential tower defense experience that shares the core defensive gameplay loop found in the seed game.

Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle.

Why similar: Tower Defense 56.8%, Strategy 24.1%, Sci-fi 14.2%, Indie 3.3%, Singleplayer 1.6%

Why You'll Like It: Blends tower defense with arcade-style action, providing a high-intensity strategic experience in a sci-fi environment.

Build amongst the stars in Starport Delta, a light sci-fi strategy game that focuses on survival. Station Commanders across the universe will turn to you for guidance to expand, defend, and survive. Help them build a thriving station, but watch out, there are many dangers hiding in space...

Why similar: Strategy 31.3%, Simulation 17.2%, Space 15.5%, Space Sim 14.6% ★, Sci-fi 8.1%

Why You'll Like It: Focuses on space station building and management, providing a simulation experience similar to the seed game.

Assume command of a battle fleet and deploy immediately to the Dust Zone, commander. Our main food supply station has gone dark and the United Earth Nations (UEN) needs to know why in this 4X RTS space sim. Manage your ships, control space stations, and watch your back.

Why similar: Space 25.5%, Strategy 21.5%, Space Sim 20.3% ★, Sci-fi 15.1%, Simulation 9.6%

Why You'll Like It: A 4X space strategy game that incorporates real-time tactics, appealing to fans of deeper sci-fi strategy.

Defense Task Force Featuring Large Scale Procedurally Generated Tower Defense Battles with FPS Quality Visuals and Infinite Waves. 10 tower types, with different attacks , 3 levels plus boosts. 25 Enemy alien species: Regulars, Swarmers, Racers, Cloakers, Healers, Boss Units and Spawners.

Why similar: Tower Defense 44.9%, Strategy 26.3%, Simulation 13.3%, Sci-fi 11.5%, Indie 4%

Why You'll Like It: A dedicated sci-fi tower defense game that focuses on strategic placement and wave management.

Play as humans or robots in a brand new sci-fi strategy adventure! Travel into the far reaches of space, through cleverly designed star constellations and variable game modes, conquering enemy planets using 15 combinable technologies.

Why similar: Strategy 92.2%, Space 4.3%, Sci-fi 1.9%, Indie 1.6%

Why You'll Like It: A casual strategy game focused on conquering planets in space, mirroring the simple yet engaging nature of the seed game.

Pixel Starships is an FTL-style online sci-fi strategy builder and management game with a competitive PVP tournament. Set in the retro galaxy, your role is to explore space, meet aliens, and develop your ship, crew and AI. The game contains deep strategic and 4x elements. PSS is community-driven.

Why similar: Space 30.2%, Space Sim 28.8% ★, Strategy 22.8%, Sci-fi 18.2%

Why You'll Like It: Combines space ship management and tactical combat, appealing to fans of the simulation and strategy elements of the seed game.

Unending Galaxy is a unique space-sim in which you can fill any role from pirate or trader to the leader of a large galactic empire.

Why similar: Strategy 32.4%, Space 22.9%, Simulation 17.5%, Space Sim 13.6% ★, Sci-fi 7.8%

Why You'll Like It: A sandbox space strategy game that emphasizes simulation and management in a vast sci-fi universe.

Experience the celebrated strategy gameplay of Eufloria HD. Conquer asteroids in space and use their resources to grow floral creatures that do your bidding. Expand your empire and fight against several teams of AI opponents that all vie for the same resources and can offer fierce opposition.

Why similar: Strategy 68.9%, RTS 12%, Casual 9.5%, Indie 8.2%, Singleplayer 1.5%

Why You'll Like It: Offers a minimalist and casual approach to space strategy and territory control that aligns with the accessible nature of the seed game.

An indie space-sim and strategy game featuring ship and fleet combat mixed with RTS elements. Complete contracts and Claim sectors for your faction in the near-future, where resource exploiting corporations are in a state of constant conflict over territory control.

Why similar: Space Sim 27.2% ★, Space 26.3%, Strategy 16.6%, Sci-fi 14.1%, RTS 11.8%

A relaxing strategy game featuring unconventional gameplay. Your objectives include development, evolution, border expansion and protection of your hive.

Why similar: Strategy 31.8%, Simulation 16.6%, Space 16.3%, Sci-fi 11.1%, Casual 10.5%

Why You'll Like It: A casual strategy game with unique simulation mechanics that shares the accessible, indie feel of the seed game.

Cosmic Dust & Rust is a tower defence game set in space. Upgrade your ship, build turrets and defence systems, undergo side missions and take control of your ship manually and use its cannons and super weapons to destroy your enemies.

Why similar: Tower Defense 43.2%, Strategy 28.3%, Casual 25.3%, Indie 3.3%

Why You'll Like It: A casual tower defense game with a distinct sci-fi aesthetic and strategic focus.

Space resources are the battleground for warring factions. As a Space Defense Officer, protect your faction's assets in a vast, hostile universe. Allocate resources, upgrade defenses, and repel relentless enemy attacks! With over 50 unique units and deep strategy, experience real-time tower defense!

Why similar: Tower Defense 37.5%, Space 23.7%, Strategy 19%, Sci-fi 13.2%, Casual 2.8%

Dawn of Andromeda is a pausable, real-time 4X space strategy game providing an accessible, fun and immersive experience, introducing fresh ideas to the genre. Build your empire, colonize new planets, interact with other factions and characters, research technologies and build great fleets.

Why similar: Strategy 46.9%, Space 32.9%, Sci-fi 15.2%, Indie 5%

Why You'll Like It: A 4X strategy game that provides a broader scope of space exploration and management.

Star Merchant is a galactic trading sim where you become a space entrepreneur. Buy and sell items, fight pirates, upgrade your ship and try to meet your goal without going broke!

Why similar: Strategy 45.6%, Simulation 17.1%, Space 14.6%, Casual 10.1%, Sci-fi 7.8%

Why You'll Like It: Focuses on space simulation and trading, offering a slower-paced strategic experience.

Distant Worlds 2 is a vast, pausable real-time 4X space strategy game.

Why similar: Strategy 36%, Space 28%, Simulation 18%, Sci-fi 16.7%, Singleplayer 1.3%

Game inspired by SETI. Take the role of a scientist to find an extraterrestrial signal .Control massive Radio Antennas by using interactive control in your Observatory. Detect , download and decode unknown or story telling signals. Manage and Maintain an electrical system to improve your systems and make it more efficient.

Why similar: Space 47.8%, Simulation 42%, Indie 9.6%, Singleplayer 0.7%

Take on the role of a spaceship captain. Explore new worlds, and engage in intense ship-to-ship battles. Develop unique battle tactics, upgrade your ship, and recruit crew members as you fight for peace or piracy.

Why similar: Space 39.7%, Strategy 30%, Sci-fi 13.9%, Simulation 11.3%, Indie 4%

Combining the best of space combat and real time strategy. Victory can be tactical, a dogfight or capital ship slugging match - depending on how you decide to achieve it. Space combat on a RTS scale with space sim savagery.

Why similar: Space 27.3%, Strategy 26.6%, Simulation 14.3%, Sci-fi 10.7%, Space Sim 9.6% ★

Stellarcraft is a thrilling sci-fi tower defense game where you explore planets, gather resources, and fend off enemy threats—solo or in 4-player co-op. Play the free demo now! 🚀

Why similar: Tower Defense 47.1%, Strategy 21.9%, Sci-fi 17.6%, Casual 7.8%, Indie 3.8%

Protolife is an unique tower-based strategy game which gives you a direct control over the builder robot in a struggle against the hungry proto-life organism.

Why similar: Tower Defense 43.3%, Strategy 21.3%, RTS 16.8%, Sci-fi 14.2%, Indie 3%

2D casual strategy

Why similar: Strategy 48.6%, Space 27.8%, Casual 16.1%, Indie 7.5%

Etherium is a real-time strategy game set in a science-fiction universe, where three factions battle it out for a mysterious and rare resource known as ‘Etherium’.

Why similar: Strategy 36.8%, Sci-fi 30.9%, Space 17%, RTS 14.9%, Singleplayer 0.5%

Explore a random generated space. Find artifacts and treasure maps. Build and develop your base on a flying platform. Attack or defend against enemies and save the universe!

Why similar: Strategy 60.6%, Simulation 31.4%, Indie 8%

Stellar Initiative is a roguelike tower defense game where you land on the planet and use your orbit ship to deliver buildings and support you with fire. Complete missions, install new upgrades, discover powerful artifacts, and find the best strategy!

Why similar: Tower Defense 47.1%, Strategy 22.3%, Sci-fi 15.7%, Space 14%, Singleplayer 0.8%

As a space bear, human or any other race, venture forth into the galaxy, create custom ships, conquer new worlds, build new colonies and defend your very existence against those who would take what is yours.

Why similar: Strategy 36%, Space 33.2%, Sci-fi 13.5%, RTS 12.8%, Indie 3.9%

Project Tarvotan allows you to explore the depths of the Milky Way and local universe. Use your wit and resources at hand to plan out your path through each sector. Your demise lurks around every decision. Can you survive long enough and restore balance to the universe?

Why similar: Strategy 49.8%, Space 27.8%, Simulation 17.4%, Indie 5%

A strange signal... an alien craft... an interplanetary, gravity-defying journey through space and time.

Why similar: Space 40.2%, Space Sim 30.9% ★, Sci-fi 17.1%, Simulation 11.8%

Auralux: Constellations is the awaited sequel to Auralux, the critically acclaimed minimalistic Real Time Strategy game. Explore a dozen new gameplay mechanics through each constellation, one new feature at a time. It's Real-­Time Strategy, deconstructed.

Why similar: Space Sim 26% ★, Strategy 25.6%, RTS 18.5%, Space 17.7%, Casual 8.4%

From the makers of the award-winning Imperium Galactica 1 and 2 games, discover a powerful space-opera like RTS game.

Why similar: Strategy 37.7%, Space 34.4%, RTS 17%, Sci-fi 8.2%, Indie 2.7%

A spaceship simulator for aliens, an ever-changing rule discovery puzzle for humans.

Why similar: Strategy 26.2%, Space 25.6%, Sci-fi 19.5%, Space Sim 15.2% ★, Simulation 8.1%

Weird Worlds: Return to Infinite Space is a hybrid roguelike game of space exploration, adventure and starship combat.

Why similar: Strategy 43.2%, Space 19.1%, Sci-fi 14.4%, Casual 14.2%, Indie 7.9%

Stellarcraft is a sci-fi tower defense adventure: explore alien planets, gather resources, build defenses, and fend off waves of enemies, solo or in 4-player co-op. 🚀

Why similar: Strategy 40.9%, Sci-fi 21.7%, RTS 21%, Casual 8.9%, Tower Defense 7%

Distant Worlds is a vast, pausable real-time 4X space strategy game. Experience the full depth and detail of turn-based strategy, but with the simplicity and ease of real-time, and on the scale of a massively-multiplayer online game.

Why similar: Space 35.5%, Strategy 30.9%, Sci-fi 14.8%, Simulation 9.9%, RTS 7%

Phantom Brigade 2.0 is a cinematic, tactical mech strategy game with a revolutionary timeline-based command system. See the future, predict enemy actions, and plot your counterattack on the timeline! Recruit and level up your squad of rebels to retake war-torn Fyrland from the Kaskad occupation.

Why similar: Strategy 42.6%, Sci-fi 28.8%, Simulation 24.7%, Singleplayer 3.8%

Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all.

Why similar: Tower Defense 60.3%, Strategy 19.4%, RTS 7.5%, Sci-fi 6.9%, Simulation 3.3%

Project Astra Dominium is a Tower Defense game with Basebuilding and Automation elements. Build up your base to become a supply hub for Earth's desperately needed materials, gather resources while defending against an unknown alien threat and improve your tower's and AI capabilities.

Why similar: Tower Defense 36.8%, Space 23.3%, Strategy 16.5%, Sci-fi 10.6%, Simulation 8.1%

An incremental unfolding game about feeding fuel into a reactor. Combine elements to produce energy, unlock exotic technologies and explore a strange galaxy.

Why similar: Strategy 53.5%, Simulation 20.6%, Casual 13.5%, Sci-fi 11.2%, Singleplayer 1.1%

Take command in the ultimate starship simulator: Star Command Galaxies. Become a Captain, recruit your crew, customize and upgrade your starship, battle alien vessels, teleport to away missions and repel boarding invaders in this real-time strategy simulation adventure from indie studio Warballoon.

Why similar: Space Sim 21.4% ★, Strategy 18.5%, Space 18.2%, RTS 15.2%, Sci-fi 13.7%

An emotional point-and-click hard sci-fi adventure game about exploring an abandoned space station. Follow messages left by the long-gone staff to learn the outcome of the research team and the secrets they left behind.

Why similar: Space 53.3%, Sci-fi 29.3%, Casual 11%, Indie 4%, Singleplayer 2.4%

SPACECOM – a strategic-to-the-bone, starfleet command game in which deception, smart movement, and choices to battle decide victory or defeat.

Why similar: Strategy 28.7%, RTS 24%, Space 23.9%, Sci-fi 14.6%, Indie 4.2%

Satellite Command is a realistic, relaxing astrophysics simulator. Complete contracts with real data, launch and take control of ever more powerful Satellites, research advanced technology and build your Space Agency!

Why similar: Space 29.4%, Space Sim 25.3% ★, Strategy 18.5%, Simulation 13.5%, Casual 7.7%

Space RTS with base building and ship customization. Personal passion project. More than 200 available ships, weapons and modules to design your fleet with. Contains a small campaign, several single and multiplayer game modes and a coop game mode. Also contains Wave defense!

Why similar: Space 28.5%, Strategy 21.2%, RTS 16.4%, Sci-fi 16.1%, Simulation 12.3%