Games Like Space Run

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 58.7%, Space 20%, Strategy 17.9%, Indie 3.4%

Why You'll Like It: This is the direct sequel to the seed game, expanding on the core spaceship construction and delivery mechanics.

Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!

Why similar: Space 48.6%, Sci-fi 22.8%, Strategy 19.1%, Indie 5.2%, Singleplayer 2.2%

Why You'll Like It: Offers deep spaceship design and management mechanics that mirror the construction focus of the seed game.

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 82.8%, Strategy 9.7%, Sci-fi 5.3%, Indie 1.6%, Singleplayer 0.5%

Why You'll Like It: A gold standard in the tower defense genre that shares the sci-fi aesthetic and strategic depth.

Great strategy is timeless. Build, adapt, and defend across dynamic maps, solo or online - every session brings new strategies, new solutions, and new surprises. Now is the perfect time to enter the grid.

Why similar: Tower Defense 52.5%, Space 22.8%, Strategy 11.5%, Sci-fi 9.1%, Indie 2.1%

Why You'll Like It: The sequel to the classic tower defense title, offering polished mechanics and tactical variety.

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 73.8%, Strategy 13.2%, Sci-fi 8.2%, Indie 2.9%, Action 1.2%

Why You'll Like It: Combines intense twin-stick shooter action with tower defense, capturing the same high-energy gameplay loop.

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

Why similar: Tower Defense 59.8%, Strategy 26.4%, Sci-fi 8%, Indie 3.9%, Action 1.3%

Why You'll Like It: A reverse tower defense game that shares the sci-fi setting and tactical focus of the seed game.

The ultimate mash-up of Real-time Strategy and Tower Defense!

Why similar: Tower Defense 77.6%, Strategy 12.8%, Sci-fi 5.6%, Indie 2.8%, Action 0.7%

Why You'll Like It: A strategy-focused tower defense game with a retro sci-fi aesthetic and deep upgrade trees.

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 82.5%, Strategy 11.2%, Sci-fi 4.2%, Indie 1.6%, Singleplayer 0.4%

Why You'll Like It: Provides a unique RTS-tower defense hybrid experience where you must manage resources to hold back an encroaching fluid enemy.

Anomaly Defenders is the closing installment of the Anomaly series. The original incarnation of the Tower Offense sub-genre had players controlling humans fighting alien invaders. Now, the tables have turned. The human counterattack is underway and the alien homeworld is under threat.

Why similar: Tower Defense 73.8%, Strategy 18.3%, Indie 3.5%, Sci-fi 3%, Action 1.5%

Why You'll Like It: A traditional tower defense entry in the Anomaly series that focuses on protecting structures against waves of enemies.

Sanctum 2 is the sequel to the world’s first Tower Defense/FPS hybrid game. Pick from four unique character classes and embark on a mission to protect the oxygen-producing Cores from hordes of deadly aliens who are threatened by their existence.

Why similar: Tower Defense 82.9%, Strategy 9.4%, Sci-fi 5%, Indie 1.6%, Action 0.8%

Why You'll Like It: Blends first-person shooter action with tower defense, requiring players to actively participate in the defense of their base.

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

Why similar: Tower Defense 77.5%, Strategy 15.6%, Sci-fi 4.5%, Indie 1.4%, Action 0.6%

Why You'll Like It: Integrates resource management and logistics into a tower defense framework, perfect for fans of complex strategy.

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: Space 36.5%, Strategy 28.1%, Tower Defense 21.6%, Sci-fi 7.1%, Indie 6.2%

Why You'll Like It: A space-based strategy game that focuses on building fleets and managing defenses against dynamic enemy swarms.

Taur is an action-strategy sci-fi game. Control the Prime Cannon and unlock all of its powerful weapons and abilities. Build turrets, droids, aircraft and more as you fight to protect the homeworld of the Tauron droids against a relentless invasion. Will your Taur stand against the Imperion warmachine?

Why similar: Tower Defense 67.9%, Strategy 13.9%, Space 8.4%, Sci-fi 6.1%, Indie 2.2%

Why You'll Like It: Focuses on base defense against massive waves of enemies, requiring tactical weapon management and upgrades.

SENTRY is an action-defense first person shooter where you defend your spaceship against invading aliens. Plot an escape route through hostile space and battle the enemy across your vessel with the support of traps, turrets and environmental destruction.

Why similar: Tower Defense 56.9%, Space 20.2%, Strategy 12.4%, Sci-fi 9.1%, Action 1%

Why You'll Like It: A first-person action-tower defense hybrid that tasks players with defending their ship against boarding parties.

Defend the solar system from fearsome aliens by sending satellites into orbit in revolutionary tower defense action!

Why similar: Tower Defense 75.9%, Strategy 10.7%, Space 6.4%, Sci-fi 4.4%, Indie 1.9%

Why You'll Like It: A space-themed tower defense game that uses unique orbital mechanics for tower placement.

You’ve tossed, burned and sliced them by the thousands – now orcs must die more than ever before! Grab a friend and slay orcs in untold numbers in this sequel to the 2011 AIAS Strategy Game of the Year from Robot Entertainment.

Why similar: Tower Defense 85.5%, Strategy 10.3%, Indie 1.7%, Action 1.2%, Adventure 0.9%

Why You'll Like It: An action-heavy tower defense game that emphasizes active player participation and trap management.

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: Tower Defense 53.8%, Strategy 26.6%, Sci-fi 12.7%, Indie 6.8%

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

Command your own fortress in FTL-like real-time battles! Crush the enemy fortress with unrelenting bombardment or seize it with carefully executed invasion.

Why similar: Tower Defense 63.1%, Strategy 30.3%, Indie 5.7%, Singleplayer 0.9%

Why You'll Like It: A fortress-management game that requires real-time tactical decisions to dismantle enemy defenses.

Get ready for an epic journey to defend your kingdom against hordes of orcs, trolls, evil wizards and other nasty fiends using a vast arsenal of towers and spells at your command!Fight on forests, mountains and wastelands, customizing your defensive strategy with different tower upgrades and specializations!

Why similar: Tower Defense 84%, Strategy 11.9%, Indie 1.7%, Adventure 1%, Action 0.7%

Why You'll Like It: While fantasy-themed, it is the definitive tower defense experience for those who appreciate tight, strategic level design.

The Bloons are back and better than ever! Get ready for a massive 3D tower defense game designed to give you hours and hours of the best strategy gaming available.

Why similar: Tower Defense 83.3%, Strategy 15.4%, Singleplayer 0.9%, Action 0.4%

Why You'll Like It: A highly polished tower defense game that offers endless strategic combinations and progression.

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: Space 51.2%, Strategy 30.8%, Sci-fi 12.2%, Indie 5.3%, Singleplayer 0.4%

Why You'll Like It: A 4X space strategy game that allows for detailed ship design and tactical combat.

Command a team of 5 elite soldiers against an alien horde of 100,000. Surrounded on all sides, you must outmaneuver and outsmart the enemy.

Why similar: Tower Defense 64.8%, Strategy 22.2%, Sci-fi 7.4%, Indie 3.2%, Action 1.4%

Why You'll Like It: An action-RTS that tasks players with managing a small squad against overwhelming alien swarms.

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 56%, Strategy 30.4%, Sci-fi 11.2%, Singleplayer 0.9%, Indie 0.9%

Why You'll Like It: A space-based RTS that focuses on managing a fleet and its specific modules during missions.

The epic tower defense dark fantasy journey continues! Create powerful gems with various abilities and take on the battle against an endlessly flowing army of monsters, and face the growing darkness as you fight your way back towards the Spiritforge.

Why similar: Tower Defense 79.2%, Strategy 16.4%, Indie 2.1%, Action 1.6%, Singleplayer 0.8%

Why You'll Like It: Offers immense depth in tower defense mechanics through a complex gem-based upgrade and crafting system.

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

Why similar: Space 44.6%, Strategy 29.8%, Sci-fi 16%, Indie 7%, Singleplayer 1.6%

Why You'll Like It: A minimalist, tactical space strategy game that focuses on fleet movement and area control.

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

Why similar: Tower Defense 58.6%, Space 23.3%, Strategy 12.6%, Sci-fi 2.9%, Indie 1.9%

Why You'll Like It: A minimalist space base-building game that incorporates real-time strategy and defensive management.

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 52.4%, Space 25.2%, Strategy 11.2%, Sci-fi 8.3%, Indie 2.2%

Create a hero from one of four classes to save Etheria in this 4-player coop Tower Defense Action-RPG. Includes Steam exclusive Portal gun & TF2 familiars!

Why similar: Tower Defense 85.1%, Strategy 13.4%, Singleplayer 1.5%

Why You'll Like It: An action-RPG tower defense hybrid that focuses on character builds and active defense management.

A classic real-time strategy game with an epic single player campaign, multiplayer & coop, set in the alternate reality of 1920+

Why similar: Strategy 73.9%, Sci-fi 20.5%, Action 3.1%, Singleplayer 2.5%

Why You'll Like It: A tactical RTS that emphasizes unit placement and defensive positioning in a diesel-punk setting.

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 51.5%, Strategy 27.8%, Sci-fi 11.8%, Indie 4.2%, Action 2.4%

Why You'll Like It: A hybrid space combat and strategy game that allows for direct control and tactical management of ships.

Phantom Signal is a real-time sci-fi strategy game with unusual mechanics. Explore mysterious star systems and reveal the secret of the phantom signal.

Why similar: Tower Defense 46.9%, Space 24.1%, Strategy 19.1%, Sci-fi 7.4%, Indie 1.9%

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 71.5%, Strategy 18.5%, Sci-fi 5.1%, Indie 4.4%, Singleplayer 0.5%

Artificial Defense is a one man made, real time strategy game combining orbital shooter and tower defense components within an electrifying, virtual reality setting. You are the machine, a mighty computer-system defending its servers against swarms of intruding creeps.

Why similar: Tower Defense 54.3%, Strategy 33.7%, Indie 8.9%, Action 3.1%

Spoids is a challenging throwback to the original brand of tower defense games. Command the Remote Defense Space Station and respond to distress calls of those who are being attacked by the invaders. Travel from planet to planet using your powerful arsenal to hold back the Spoids.

Why similar: Tower Defense 61.9%, Strategy 24.3%, Indie 6.2%, Sci-fi 5.6%, Action 1.9%

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 55%, Strategy 19%, Sci-fi 17.1%, Indie 5.6%, Action 2.3%

Super Sanctum TD is a retro-styled Tower Defense game that focuses on strategy, customization and replayability. Build advanced mazes and construct powerful towers to prevent alien hordes from reaching the Core!

Why similar: Tower Defense 77.4%, Strategy 11.1%, Sci-fi 7.5%, Indie 2.2%, Action 0.9%

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 63.2%, Space 14.3%, Strategy 12.7%, Sci-fi 9.4%, Singleplayer 0.4%

M.A.C.E. Tower Defense is a classic tower defense game with unique towers and enemies and an ingame shop system for getting better towers, upgrade existing towers and buy special items.

Why similar: Tower Defense 61.5%, Strategy 24%, Sci-fi 6.5%, Indie 5.8%, Action 2.3%

A defense RTS where you can move turrets at will. Extract resources, upgrade technology, and defend against enemy swarms in a gripping space campaign. Hold the line, set up your turrets, and brace for screen-filling hordes!

Why similar: Tower Defense 52.3%, Space 24.1%, Strategy 11.5%, Sci-fi 8.8%, Adventure 1.5%

Defense Technica is the next evolution in hardcore tower defense strategy games. Protect the core from an onslaught of unrelenting biomechanical terrors with a powerful range of tower defense units – each with their own upgradable features and methods of attacks.

Why similar: Tower Defense 86.2%, Strategy 11.4%, Indie 2.4%

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 60.5%, Strategy 26.2%, Sci-fi 7.1%, Indie 4%, Action 1.5%

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 70.2%, Strategy 17.4%, Sci-fi 8.1%, Indie 4.3%

Rush for Glory is featuring challenging and rewarding Tower Defense battles, in which players are defending their base against an alien invasion. By strategically building towers and upgrading them, the player can keep his base safely and further progress through the extensive singleplayer campaign.

Why similar: Tower Defense 79.5%, Strategy 19%, Action 1.5%

MILLIONS OF ALIENS WILL DIE!Radiant Defense is a tower defense game set in a vibrant universe invaded by countless alien hordes.Build your space fortress any way you wish, set up wide variety of weapons and traps and let the invasions begin!

Why similar: Tower Defense 55.3%, Space 24%, Strategy 13.1%, Sci-fi 3.6%, Indie 3.1%

Planetoid is a physics based building game in which you construct facilities and protect humanoids on the planetoid. Build a facilities which can defeat the enemies on your way.

Why similar: Tower Defense 44.4%, Space 26.8%, Strategy 16.4%, Indie 8.6%, Adventure 2.3%

A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.

Why similar: Space 65.1%, Strategy 20.2%, Sci-fi 7.4%, Indie 4.2%, Action 1.8%

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 74.2%, Strategy 20.6%, Indie 3.8%, Action 1.3%

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.

Why similar: Space 56%, Strategy 24.8%, Sci-fi 13.6%, Indie 5.6%

Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.

Why similar: Space 53.6%, Strategy 23.4%, Sci-fi 17%, Indie 4.6%, Singleplayer 1.5%

Build your defense base to fight back the undead hordes of Mars and secure the future of the red planet. MarZ is a game of strategy and tactical defense where you must carefully manage your crew and resources as you try to uncover the terrible secrets of the undead.

Why similar: Tower Defense 65.6%, Strategy 15.6%, Space 9.8%, Sci-fi 5.9%, Indie 2.8%

Tower Wars combines elements of tower defense, RTS, and all-out multi-player mayhem to bring you a completely unique experience, delivered with a fun and funny not-so-old world style!

Why similar: Tower Defense 85.7%, Strategy 11.8%, Indie 2%, Action 0.4%, Singleplayer 0.2%

Take command of a vast interstellar empire and safeguard your species from total extinction in a procedurally generated 3D galaxy (with the option to flatten it) from 1 System to 10,000+! Prove your species' ingenuity through a deep and intricate combat system where anything (from individual components on ships to the stars themselves)...

Why similar: Space 50.4%, Strategy 33.7%, Sci-fi 9.6%, Indie 6%, Singleplayer 0.4%

Build and command a fleet of starships and travel between planets as you explore, build, negotiate, and fight to preserve your vision for humanity.

Why similar: Space 57.4%, Strategy 27.5%, Sci-fi 14.2%, Singleplayer 0.9%

Create a thriving space station in a lost sector. Face thrilling challenges head-on, from pirate raids to asteroid impacts, as you lead your company to new heights.

Why similar: Tower Defense 54.6%, Space 29.9%, Strategy 9.6%, Sci-fi 5.9%

Get ready for the ULTIMATE tower defense onslaught. Build, deploy, research and upgrade your defenses in this epic, old school RTS inspired sci-fi adventure.

Why similar: Tower Defense 55.5%, Space 21.3%, Strategy 12%, Sci-fi 9.3%, Action 1.1%

Defend against thousands of enemies in this explosive tower defense game. Deploy upgradable towers and unleash powerful orbital abilities as you try to protect Earth's first colony world from destruction.

Why similar: Tower Defense 73.5%, Strategy 15.1%, Sci-fi 10%, Action 1.3%

The White Laboratory is a sandbox style physics-based tower defense and RTS game in which you modularly build and command robotic structures. Use them to defend against or conquer other disobedient mechanical blocks on a facility floating in the atmosphere of a remote gas planet.

Why similar: Tower Defense 63.2%, Strategy 24.2%, Sci-fi 6.4%, Indie 6.2%

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 70.8%, Strategy 14.7%, Sci-fi 10.4%, Indie 3.3%, Singleplayer 0.8%