Games Like Defending Earth

Over 500,000 players on mobile! SunWars is a minimalist real-time strategy game about energy, expansion and timing. Grow your suns, conquer enemy systems and adapt to black holes and cosmic hazards across 80+ handcrafted levels. Easy to learn, challenging to master.

Why similar: Action RTS 28.7% ★, Real Time Tactics 17.4%, Space Sim 17.1%, Grand Strategy 16.1%, Space 11.5%

Discover the excitement of commerce with Cargo Shop Simulator! Manage your own cargo shop and grow by meeting customer demands. In the evening, load your shipments onto vehicles and plan deliveries to build a successful business empire. Are you ready?

Why similar: Grand Strategy 25.3%, Real Time Tactics 18.9%, Life Sim 15.3%, Immersive Sim 13.1%, Management 6.1%

Design massive ships, bristling with weapons, on a macro scale. Engage in fleet-vs-fleet battles, featuring many different tactics. Play alone or in Coop combat missions, or form two teams of players (each with own fleet) to fight in an arena.

Why similar: Space Sim 21.7%, Action RTS 21.7% ★, Real Time Tactics 18.7%, Space 15%, Physics 8.8%

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 26.2%, Action RTS 23.2% ★, Real Time Tactics 19.2%, Space 13.3%, Tactical 4.7%

Defend your planet against the Space Invaders. Build your defences against lovecraftian spacecrafts. Keep your health up and you might even become an invader yourself! Warning: this game contains flashing images that may make it unsuitable for people with photosensitive epilepsy.

Why similar: Action RTS 27.3% ★, Space Sim 24.7%, Real Time Tactics 15.7%, Space 14.1%, Strategy 5.2%

You don't pilot the ship-you run it. Manage power, fuel, gravity, life support and other systems, repair failures and engineer your way through a hostile solar system.

Why similar: Spaceships 28.3% ★, Space Sim 25.7%, Management 11.9%, Space 11%, Physics 8.3%

Andromeda Wars is a retro styled space RTS. In Andromeda Wars you must gather power, build a fleet, build defences to defend your mothership, and try to survive the onslaught from the opposing factions. Each ship you add to your fleet gives you powers but also reduces your dwindling resources.

Why similar: Spaceships 35.5% ★, Space Sim 23.8%, Real Time Tactics 20.5%, Strategy 6.4%, Management 3.7%

Create your own ship designs and command them in tactical, real-time multiplayer battles. Outsmart your opponent through smart positioning, specialized weapons, and ships built around your strategy.

Why similar: Action RTS 33.6% ★, Spaceships 27.5% ★, Real Time Tactics 18.9%, Space 8.1%, Tactical 5.2%

A multiplayer space RTS blending in depth mechanics with fast paced skirmish matches. control and manage an empire together with your team in large-scale physic-based online battles, and expand your army mit modded factions

Why similar: Action RTS 22.7% ★, Grand Strategy 19.7%, Space Sim 18.6%, Real Time Tactics 13.9%, Management 5.9%

Sci-fi RTS and Top-Down

Why similar: Action RTS 35.9% ★, Spaceships 31.8% ★, Space Sim 15.9%, Space 7.8%, Strategy 4.1%

Command a deep space rescue operation in this space management game, where you manage a fleet of ships, build bases, coordinate resources distribution, and explore uncharted planets to find and save the scattered crew of the ISS Celestia.

Why similar: Grand Strategy 28.2%, Space Sim 25.7%, Spaceships 18.9% ★, Space 9.1%, Strategy 8.7%

Novalast is an immersive 2.5D Space RTS with full physics based combat, putting you in the Captain's chair of powerful starships. It features a fully physicalized logistics and supply system, where Nolithium supply matters. Run out of Nolithium, you're dead in the water.

Why similar: Spaceships 26% ★, Action RTS 25.8% ★, Space Sim 15.2%, Real Time Tactics 13.1%, Space 12.4%

Experience cinematic space warfare in SALVO, an action packed real-time tactical combat simulator. Command your flagship and engage in intense battles in a war-torn solar system. Play a story-driven campaign, or forge your own destiny across the dangerous frontiers.

Why similar: Action RTS 35.4% ★, Real Time Tactics 21%, Space Sim 14.6%, Space 12.5%, Strategy 8.7%

Explore a galaxy of 300 systems as you control your fleet in a top-down 3D style, navigating through Star-lanes, Warp gates, and Black holes. Customize and upgrade your fleet, complete missions, trade, hire your crew, wage war and determine the fate of the galaxy in this grand sim saga.

Why similar: Space Sim 33.6%, Action RTS 33.3% ★, Space 11.1%, Physics 10.4%, Strategy 6%

Galaxor is an online sci-fi strategy game where you build planets, research technologies, command fleets and expand your empire across the galaxy. Manage resources, join clans, take part in events and face alien threats in long-term space warfare.

Why similar: Grand Strategy 26.7%, Space Sim 25.4%, Real Time Tactics 19.2%, Space 8.6%, Tactical 5.8%

A deep motorsport management sim where you design, develop and test your own race cars. Lead your team to glory by researching advanced parts, releasing upgrades, training elite drivers and validating your engineering on the track. Turn performance into results and dominate the competition.

Why similar: Grand Strategy 30.9%, Real Time Tactics 21%, Immersive Sim 11.8%, Simulation 7.8%, Strategy 6.7%

Take your place at the tactical station of a spaceship and face a brutal war in the near future for control of the outer planets in this realistic space warfare simulator. Choose your side and lead your ship into battle, maneuvering and fighting according to the laws of orbital mechanics.

Why similar: Space Sim 31.1%, Real Time Tactics 21.9%, Space 18.4%, Physics 12.6%, Simulation 7.8%

Sci-fi RTS and Top-Down

Why similar: Action RTS 33.6% ★, Spaceships 31.3% ★, Space Sim 18.8%, Space 11.3%, 3D 2.5%

Play as a day trader gambling on people's pension money and try to beat the stock market. Engage in a comedic story with multiple endings. Meet different characters and get insider info to use for your own advantage. Gamble on cryptocurrency and quickly react to market events.

Why similar: Grand Strategy 24.2%, Real Time Tactics 18%, Immersive Sim 12.5%, Life Sim 12.1%, Management 10.5%

Take on realistic space missions, manage your economy, and explore the solar system. Build and expand your space center on Earth, accept contracts, and launch satellites into orbit. Research, adapt and collect valuable scientific data to commence your growing aerospace empire.

Why similar: Space Sim 33.5%, Management 14.6%, Space 12.2%, Immersive Sim 9.6%, Strategy 7.9%

Activate your Neural Link to gain an omniscient view of the battlefield. Experience the conflict at any scale, as you plot the course that will lead your fleet to victory. Eternal Starlight is a tactical space combat game, built from the ground up for VR.

Why similar: Action RTS 24.2% ★, Space Sim 19.6%, Real Time Tactics 14.8%, Space 13.3%, Spaceships 12.6% ★

Gravity Game is a puzzle-style infinite physics simulation. You are tasked with escaping your home planet, and reaching the goal at another! This game uses real Newtonian Physics in a simple 2D simulation, as a way to help people visually understand the mechanics.

Why similar: Spaceships 32.3% ★, Space Sim 17.7%, Space 15.3%, Immersive Sim 9.4%, Physics 8.7%

Run a spaceship's lab module all by yourself while trying to find a cure for close-to-extinct humanity. Make repairs to various systems of the ship, solve technical problems, perform maintenance, and upgrade tools that will help you to overcome the most unusual challenges.

Why similar: Spaceships 40.4% ★, Space Sim 29.9%, Space 15%, Simulation 8.7%, First-Person 3.4%

A solo-developed grand-strategy sandbox where you lead a nation in a dynamic, historically-inspired world.

Why similar: Grand Strategy 29.8%, Real Time Tactics 19.8%, Action RTS 14.9% ★, Management 13%, Immersive Sim 12.7%

Take to the skies in this spaceflight simulator where you have control over every aspect of your orbital journey. Build a rocket and its control panels, steer your spacecraft to stay on its flight path, manage resources and explore the solar system using realistic physics and propulsion systems.

Why similar: Space Sim 30.9%, Spaceships 30.6% ★, Space 19.6%, Physics 11.5%, Simulation 5.3%

A real-time strategy game of orbital warfare. Build satellites, launch them into chosen orbits, and fight for control of the sky. Your assets stay invisible until an enemy sensor finds them. Every strike depends on being overhead at the right moment.

Why similar: Real Time Tactics 25.1%, Grand Strategy 23.3%, Action RTS 21% ★, Space 8.4%, Physics 7.5%

Spaceship Pro Simulator. Strapped in and ready. One ship, one mission—survive the unknown. Enemies ahead, systems online. This is my journey through deep space, and I'm not going down easy.

Why similar: Spaceships 41.5% ★, Space Sim 29.6%, Space 11.7%, Physics 6.6%, Simulation 6%

Take command of the fleet of starships that is the home to the remnants of your civilization. Manage the limited space of each spacecraft and find the balance between living space, production, defenses, and weapons. Explore the galaxy as you seek refuge and safety from an overwhelming threat.

Why similar: Action RTS 28.2% ★, Spaceships 26.4% ★, Real Time Tactics 12.7%, Space 12.1%, Management 7.8%

Take to the stars and explore the solar system. Master the orbital mechanics of N-body physics. Plot a careful course to complete your mission.

Why similar: Space Sim 40.3%, Space 19%, Physics 16.2%, Strategy 10.7%, Simulation 10.3%

Build spacecraft with a realistic part-based editor and fight multiplayer orbital wars using Keplerian, Newtonian, and patched-conics flight. Engage with lasers, railguns, missiles, and EW in fast, decisive battles shaped by strategy and logistics.

Why similar: Space Sim 36.9%, Real Time Tactics 15%, Space 14.7%, Physics 9.7%, Strategy 6.8%

Perihelion lets you run your own rocket engine shop. Take over an abandoned desert airfield, design realistic, unique engines, then test them!

Why similar: Space Sim 32%, Immersive Sim 16.7%, Space 9.7%, Management 9.5%, Simulation 8.3%

Lead humanity’s final journey beyond Earth. Launch ships, harness gravity slingshots, and explore distant star systems to make humanity multi-planetary.

Why similar: Space Sim 28.5%, Spaceships 25.6% ★, Space 14.6%, Physics 10.9%, Management 6.8%

Build a retro-industrial space program, manage your launch base, assemble and upgrade the Columbiad, then manually guide each mission through atmospheric ascent, orbital insertion, lunar transfer, and recovery in a low-poly spaceflight management adventure.

Why similar: Space Sim 30.8%, Space 18.7%, Real Time Tactics 15.2%, Immersive Sim 8.7%, Realistic 6.6%

180 Seconds: A Firefighter's Call drops you into the heart-pounding world of emergency fire response. As flames engulf diverse environments - from bustling offices to quiet schools - you have just three minutes to make decisions that will determine who lives and who doesn't.

Why similar: Action RTS 33.4% ★, Real Time Tactics 19.7%, Immersive Sim 13.6%, Choices Matter 8.2%, Strategy 6%

VRTS is a VR Real-Time-Strategy game based in space! Command and construct a fleet of spaceships to defeat your enemies. Watch over the battle from your war table and make the ultimate strategy to bring down your adversary.

Why similar: Action RTS 30.9% ★, Space Sim 28.4%, Spaceships 13.1% ★, Strategy 9.9%, Simulation 7.7%

A sci-fi automation game with deep RPG progression and RTS fleet combat. Command humanity's last ark, Mothership, on a desperate mission back in time to build a fleet powerful enough to change the destiny of the galaxy. Automate local and interstellar supply networks to purge cosmic threats.

Why similar: Action RTS 31% ★, Space Sim 23.2%, Spaceships 22.5% ★, Management 10.1%, Space 8.9%

WarTable is a real-time strategy sandbox where teams of up to nine players take command of a host nation. Build your military, shape your government, forge alliances—or betray them. In WarTable, strategy is everything, and democracy is just one of many options.

Why similar: Action RTS 32.3% ★, Grand Strategy 26.9%, Real Time Tactics 19.4%, Tactical 6.2%, Strategy 6.1%

Civilization was born from a chaotic star system and has been constantly tested in its development, from ancient civilizations to occupying the entire galaxy, which is long and dangerous.

Why similar: Space Sim 28%, Space 16.7%, Grand Strategy 14.3%, Real Time Tactics 11%, Physics 8.5%

Guardian Above the Domes is a real-time artillery game built around realistic orbital mechanics. Bombard the enemy from a lone space station, defend the last domed cities on an airless planet, and uncover its lost history alongside a cat-shaped AI.

Why similar: Space Sim 35.7%, Physics 14.5%, Real Time Tactics 12.9%, Space 11.5%, Realistic 7.4%

Ironholm: Reign of the Isles is a real-time strategy game about conquering medieval islands. Grow your kingdom, raise armies, capture regions, and command entire forces. Plan your expansion, reinforce key positions, and choose the right moment to strike.

Why similar: Action RTS 28.3% ★, Grand Strategy 26.1%, Real Time Tactics 16.8%, Strategy 9.7%, Simulation 6.6%

Fight at the head of a living army. Recruit 28 legendary commanders, build forces from 64 units, master formations and battlefield orders, and conquer 14 historical battlefields in a single-player army roguelite.

Why similar: Action RTS 52.1% ★, Real Time Tactics 29%, Strategy 9.7%, Tactical 5.8%, 2D 3.5%

Rally your warriors to fight alongside you, rescue your friends, bolster your troops and fight for supremacy.

Why similar: Action RTS 36.9% ★, Real Time Tactics 22.9%, Grand Strategy 21.1%, Management 8.7%, Strategy 6.5%

Star Matter is a single-player, 2D, tile based, spaceship physics RPG, where you pilot a ship that you are able to customize and configure to suit the current task, your playstyle, or what remains of your ship.

Why similar: Space Sim 24.1%, Physics 15.5%, Real Time Tactics 12.3%, Space 11.4%, Choices Matter 10.8%

You've barely managed to escape your exploding spaceship. Now in an old escape pod, you hurtle through space at the mercy of the cosmos. With no knowledge of the pod’s complex systems, your life depends on a technical manual and your own wits. How long can you survive?

Why similar: Space Sim 23.7%, Space 19.9%, Immersive Sim 11.6%, Management 9.5%, Realistic 7.2%

Run your own ice cream shop! Take customer orders, scoop delicious ice cream, add toppings, serve your customers, and become the ultimate Scoop Master!

Why similar: Immersive Sim 27.8%, Life Sim 25%, Management 21.5%, First-Person 7.4%, Simulation 7.3%

ORDER POINT is a horror game about working at a package pickup station. On a winter night, you serve unsettling customers. Mysterious visitors create an ominous atmosphere. Be careful — not everyone can be trusted.

Why similar: Immersive Sim 25.3%, Life Sim 23.7%, Management 20.2%, First-Person 7.1%, Multiple Endings 6.8%

A Roguelike tactics game where you fight hordes of aliens. Your Units evolve and learn new skills as the fight goes on. Manage your squad of 5 specialised mercenaries, and fight a never ending war against the infestation.

Why similar: Action RTS 38.8% ★, Real Time Tactics 28.1%, Management 15.6%, Strategy 7.8%, Tactical 5.9%

In Space Empires: Starfury you are on a wild intergalactic ride through the Space Empires universe. You are an undercover agent for the TCN (Terran Confederation Navy) trying to determine the cause of a recent escalation of pirate attacks in the Neutral territories.

Why similar: Real Time Tactics 26.4%, Space Sim 24.7%, Space 21.1%, Strategy 11.4%, Management 10.9%

Grey Galactic is a real time strategy game in space where you build up your planets and ships to conquer your enemies. Develop your empire and fleet of spaceships to destroy your enemies and take over the galaxy! Do you have what it takes to become the best Fleet Captain the UFMC has ever seen?

Why similar: Action RTS 38.4% ★, Real Time Tactics 23.6%, Management 10.8%, Space 10.7%, Strategy 6.9%

Experience epic space battles in NULLSPACE, a story driven real-time strategy set in a retrofuturistic universe. Command massive fleets across the battlefield or jump in and take direct control of individual squadrons. Lead your forces to victory in visceral space combat.

Why similar: Grand Strategy 23.5%, Real Time Tactics 18.5%, Space Sim 18.2%, Space 12.2%, Management 10%

Zero-Point is a 3D space roguelike featuring tactical ship-to-ship combat, crew command and an immersive view of your ship's interior. As Captain of a Star Federation cruiser, lead your crew and ship to victory over the rebellious Galactic Liberation Front!

Why similar: Space Sim 29.6%, Real Time Tactics 22.3%, Space 17.6%, Management 8.4%, Strategy 6.4%

AQ2: Expanse is a massively multiplayer space strategy game. A single persistent universe with open PvP and PvE. Fight for control over the Aquila system's sectors in huge corporation wars, play with everyone, play in a group or play solo with plenty to explore.

Why similar: Space Sim 27.4%, Action RTS 26.8% ★, Real Time Tactics 21.4%, Space 12.7%, Strategy 6%

Online multiplayer drone warfare in space. Persistent universe, keeps going when you aren't logged in.

Why similar: Space Sim 31.9%, Real Time Tactics 19%, Immersive Sim 13.1%, Space 10.4%, Tactical 10%

Build and manage the strip club of your dreams in this adults only business simulation. Hire dancers and staff, set prices, keep patrons spending, handle bad behavior, and turn a struggling club into a nightlife empire where every night brings profit, problems, and surprises.

Why similar: Grand Strategy 33.9%, Life Sim 18.8%, Immersive Sim 15.7%, Strategy 10.4%, Simulation 8.4%

Welcome to your new career as a gas station attendant in the deepest, darkest corner of space! Serve adorable ships, count your cash, and expand your diesel empire. It's a simple, satisfying job. Just... ignore the whispers in the vents. Everything is fine. Probably.

Why similar: Space Sim 41%, Immersive Sim 20.9%, Space 14%, Simulation 9.9%, First-Person 7.5%

A physics-driven tower defense game where one massive cube does everything: fight, build, activate, and survive. Drop into a neon sci-fi battlefield, hold back waves of Chaos Dice, and power up your defenses through energy, momentum, and precision.

Why similar: Action RTS 39.8% ★, Real Time Tactics 23.1%, Strategy 11.7%, Space 10.6%, Physics 6.2%

Volition's classic is back. Descent: FreeSpace is the quintessential old school space shooter. With a deep story, great graphics and engaging battles against fighters to capital ships it keeps you moving. Breakout that flight stick and enroll with the Grand Terran Alliance today.

Why similar: Spaceships 26.3% ★, Space Sim 22.4%, Real Time Tactics 19.3%, Space 15%, Realistic 4.3%

A small game about running a floating pizzeria in deep space. Serve customers, earn credits, and upgrade your equipment—nothing more, nothing less.

Why similar: Space Sim 28.8%, Life Sim 21.2%, Immersive Sim 14.6%, Simulation 10.9%, First-Person 9.4%

Get ready to protect the entire solar system from an unprecedented threat - the D'Ahari, a race of insect-like aliens. Control an entire fleet of spaceships, trade with other races of an Alliance, and develop your own space station.

Why similar: Action RTS 34.5% ★, Real Time Tactics 22.7%, Space 16.1%, Management 8.1%, Strategy 6.1%

Factions, countries and empires that have truly existed in the real history await you. The only difference is that it is in your hand to rewrite their history. Become the ruler of any country you want and lead your nation from small village to the way to be the magnificent empire!

Why similar: Action RTS 30.7% ★, Grand Strategy 24.9%, Real Time Tactics 19.6%, Management 7.1%, Tactical 6.8%