Games Like Perimeter

With 100+ truly unique units, Zero-K is an RTS of freedom and creativity, tempered by a decade of refinement. Sculpt land into a castle and throw invaders off it with a Jugglenaut. Explore a massive campaign, solo or co-op. Hop online for epic 32 player battles or fast paced 1v1, on 100s of maps.

Why similar: RTS 60.7%, Strategy 36.2%, Sci-fi 3%

Why You'll Like It: This game features advanced physics-based terraforming and terrain manipulation that closely mirrors the core innovation of Perimeter.

What began as a conflict over the transfer of consciousness from flesh to machines escalated into a war which has decimated a million worlds. The Core and the Arm have all but exhausted the resources of a galaxy in their struggle for domination.

Why similar: RTS 46.1%, Classic 24.9% ★, Strategy 23.9%, Sci-fi 5%

Why You'll Like It: As the spiritual ancestor to many modern sci-fi RTS titles, it shares the classic, atmospheric feel of Perimeter.

The last days of man are at hand.. Two years after the Infinite War the once great warring nations now lie in ruins, and humanity’s hope for a brighter future is nothing but a bitter memory. A new, seemingly unstoppable enemy, supported by the zealots of The Order, now seeks to eradicate mankind: UEF, Aeon Loyalist, and Cybran alike.

Why similar: RTS 56%, Strategy 32%, Sci-fi 7.1%, Classic 3.8% ★, Space 1.1%

Why You'll Like It: The gold standard for large-scale, sci-fi RTS gameplay with a heavy focus on base-building and defensive strategy.

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: RTS 52.9%, Strategy 26.7%, Space 12%, Sci-fi 8.4%

Why You'll Like It: It emphasizes fluid dynamics and defensive perimeter management against an encroaching, non-traditional enemy.

Experience the epic space strategy games that redefined the RTS genre. Control your fleet and build an armada across more than 30 single-player missions. Choose unit types, fleet formations and flight tactics for each strategic situation.

Why similar: RTS 41.2%, Strategy 23%, Classic 16.5% ★, Space 12.3%, Sci-fi 7.1%

Why You'll Like It: Captures the grand, atmospheric, and highly immersive sci-fi tone that defines the Perimeter experience.

The most devious and acclaimed artificial intelligence in strategy gaming is better than ever. A grand strategy/RTS hybrid that reverses many conventions of both genres. Take territory without attracting attention, build your empire with care, and adapt to an ever-evolving galactic battleground.

Why similar: RTS 54.9%, Strategy 23.4%, Space 11.4%, Sci-fi 10.3%

Why You'll Like It: Offers a complex, asymmetric warfare experience that requires careful defensive planning and territory control.

Your heroes and your armies will need strong leadership to take them on a spellbinding odyssey that has everything a gamer’s heart could wish for breathtaking worlds in space, battles against cunning enemies and even downright treason from your own government faction - are you up to it?

Why similar: Strategy 82.6%, RTS 11.6%, Classic 3.4% ★, Sci-fi 1.8%, Space 0.6%

Why You'll Like It: A classic sci-fi RTS series known for its heavy base-building and focus on terrain-based tactical combat.

A 4X real-time strategy game from the developers of the critically acclaimed Northgard. Set in Frank Herbert’s groundbreaking Dune universe, you must lead your faction and battle for control and dominance over the harsh desert planet of Arrakis.

Why similar: RTS 56%, Strategy 29%, Sci-fi 15%

Why You'll Like It: Features deep territory control mechanics and unique resource management in a harsh, sci-fi environment.

Fight for control of a frontier world. Gather resources, build your base, and command your forces in battle. Survive long enough to unleash your ultimate weapon - THE EPIC.

Why similar: RTS 58%, Strategy 31.6%, Sci-fi 8.7%, Space 1.7%

Why You'll Like It: Features distinct faction mechanics and base-building that reward tactical positioning and defensive setups.

A ground-based RTS prequel to the classic Homeworld games. Assemble your fleet and lead them to victory on the shifting sands of Kharak in this compelling strategy game for PC from Blackbird Interactive.

Why similar: RTS 54%, Strategy 32.7%, Sci-fi 8.9%, Space 4.5%

Why You'll Like It: Provides a ground-based tactical RTS experience with a strong, cinematic sci-fi atmosphere.

Rise of Nations is back! Play the updated classic with full Steamworks integration and enhanced features!

Why similar: RTS 46.2%, Strategy 32.6%, Classic 21.2% ★

Why You'll Like It: A classic RTS that places a significant strategic emphasis on borders and territory control.

Lead the Mobile Infantry in this RTS game set in the Starship Troopers film universe. Balance your army composition with a diverse set of unit types, overcome line-of-sight and line-of-fire challenges through tactical positioning, and use special abilities to smash the Arachnid hordes!

Why similar: RTS 56.4%, Strategy 37.6%, Sci-fi 6%

Why You'll Like It: Focuses heavily on holding defensive lines and managing territory against overwhelming swarms.

Metal Fatigue is a real-time strategy game taking the genre to new heights - literally. Build and customize your massive Combots to dominate the three battlefield levels simultaneously - from orbit, to the surface, and even underground!

Why similar: Strategy 43.4%, RTS 39.2%, Classic 17.3% ★

Why You'll Like It: A classic RTS with distinct mech-based combat and modular design that feels like a precursor to experimental sci-fi strategy.

Command distinct factions in a desperate struggle for power and resources in Tempest Rising - a classic RTS set on Earth after a nuclear war.

Why similar: RTS 66.9%, Strategy 33.1%

Why You'll Like It: A modern take on the classic RTS formula that prioritizes base-building and tactical combat.

Darwinia blends real-time strategy, action, and puzzles with a unique gesture-based control system. Save the Darwinians, battle viruses, and restore order in a retro-inspired digital world. Winner of multiple prestigious awards, including the Seumas McNally Grand Prize at IGF 2006.

Why similar: RTS 59.7%, Strategy 30.2%, Sci-fi 10.2%

Why You'll Like It: Shares the experimental, abstract, and highly atmospheric nature that makes Perimeter feel so unique.

For a thousand years, three opposing forces have waged war for what they believe is true. There can be no room for compromise: their way is the only way. Dubbed The Infinite War, this devastating conflict has taken its toll on a once-peaceful galaxy and has only served to deepen the hatred between the factions.

Why similar: RTS 53.2%, Strategy 33.5%, Sci-fi 7.3%, Classic 4.5% ★, Space 1.5%

Why You'll Like It: Focuses on massive scale and strategic base defense, aligning well with the defensive nature of Perimeter.

An epic struggle for control!

Why similar: Strategy 46.1%, RTS 36.2%, Space 12.5%, Sci-fi 5.2%

Why You'll Like It: A classic space RTS that emphasizes resource management and strategic positioning in a sci-fi setting.

It’s 2741 and the universe is at war. The Terran Empire is laying siege to the NSA, a treaty of colonies that upholds freedom and democracy. After losing the battle in space, the NSA is forced to retreat to its last stronghold. Can you snatch victory from impending doom?

Why similar: Strategy 60.8%, RTS 34%, Sci-fi 5.2%

Why You'll Like It: A tactical RTS that emphasizes positioning and territory control over traditional base-building.

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: RTS 39%, Strategy 38.4%, Sci-fi 16.6%, Space 6%

Why You'll Like It: A sci-fi RTS that incorporates unique weather and terrain mechanics that directly impact the battlefield.

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

Why similar: RTS 57.6%, Strategy 27.5%, Space 7.7%, Sci-fi 7.2%

Why You'll Like It: A tactical space RTS that strips away base-building to focus purely on strategic positioning and fleet movement.

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: Strategy 46.4%, RTS 45.1%, Sci-fi 8.5%

Why You'll Like It: Focuses on managing flow and defensive perimeters against a persistent, encroaching threat.

Perimeter is a real-time strategy game with a destructible world. Utilize the environment for resource gathering and defense against enemies. Immerse yourself in the millennia-spanning history of the Chains of Worlds and lead a faction in the struggle for survival.

Why similar: RTS 52.6%, Strategy 30%, Space 9.4%, Sci-fi 8%

Perimeter 2: New Earth is the long-awaited sequel of the critically acclaimed RTS Perimeter . Ideas of territorial gameplay and landscape modification, introduced in the original game, are now realized on a new concept & technology level.

Why similar: Strategy 100%

Why You'll Like It: The direct sequel to the seed game, essential for fans looking to continue the specific narrative and mechanical journey.

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: RTS 43.9%, Strategy 36.8%, Space 12.7%, Sci-fi 6.6%

Why You'll Like It: An atmospheric space RTS that prioritizes a narrative-driven singleplayer experience.

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 97.4%, Space 1.5%, Sci-fi 1.1%

Why You'll Like It: A fast-paced space strategy game with a core focus on capturing and holding territory.

Interloper is an online multiplayer real-time strategy game with matches that take only 5 minutes. Instead of destroying your opponent, you win by claiming domain. By predicting your opponent's movements, you corner them to claim the entire map.

Why similar: Strategy 79.2%, RTS 20.8%

Why You'll Like It: A unique RTS that centers entirely on map control and territory expansion through fast-paced movement.

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 43.8%, RTS 35.9%, Space 11.6%, Sci-fi 8.7%

Why You'll Like It: A space-based RTS that emphasizes survival, fleet management, and defensive maneuvers.

Halo Wars: Definitive Edition is an enhanced version of the real-time strategy classic, Halo Wars, updated to run natively on PC. Halo Wars: Definitive Edition includes improved graphics, new achievements and all of the DLC created for the landmark real-time strategy game.

Why similar: RTS 57.2%, Strategy 32%, Sci-fi 5.6%, Classic 5.2% ★

Why You'll Like It: A streamlined RTS that emphasizes territory control and efficient unit management in a 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 69.7%, RTS 30.3%

Why You'll Like It: An abstract, atmospheric strategy game that shares the experimental and unconventional feel of Perimeter.

Colonize newly-discovered planets, control the resources found there, and defend your colony against other rival factions in real-time or turn-based action.

Why similar: Strategy 53.9%, RTS 23.1%, Classic 16.2% ★, Sci-fi 6.7%

Why You'll Like It: A deeply tactical sci-fi RTS with complex base-building and unit customization options.

Battle for galactic dominance in this real-time 4X strategy game with unrivaled scale! You’ll explore, expand, exploit, and exterminate through military force, diplomacy, trade, culture, influence, and other underhanded tactics.

Why similar: RTS 47.2%, Strategy 30%, Space 14.4%, Sci-fi 8.5%

Lead the great armies of the Star Wars™ Episode II: Attack of the Clones saga in intense real-time strategy clashes. Enter the fray as the Galactic Empire, Rebel Alliance, Wookies, Trade Federation, Gungans or Royal Naboo to determine the course of the Galactic Civil War.

Why similar: RTS 49.6%, Strategy 32%, Classic 13.7% ★, Sci-fi 4.6%

ENDLESS™ Space 2 is a Strategic Space Opera, featuring the compelling “just one more turn” gameplay, set in the mysterious ENDLESS™ Universe. As the leader of your civilization, will you impose your vision and build the greatest stellar empire?

Why similar: Strategy 95%, Space 2.9%, Sci-fi 1.4%, RTS 0.6%

Command & Conquer and Red Alert are both remastered in 4K by the former Westwood Studios team members. Includes all 3 expansions, rebuilt multiplayer, a modernized UI, Map Editor, bonus footage gallery, and over 7 hours of remastered music.

Why similar: RTS 52%, Strategy 30.1%, Classic 17.9% ★

"You are outgunned. You are massively outnumbered. You must win." These are your orders. Humanity has already fought its war against the machines -- and lost. AI death squads stand watch over every planet and every wormhole, the few remaining human settlements are held captive in orbiting bubbles, and the AIs have turned their...

Why similar: Strategy 53.1%, RTS 32.2%, Space 7%, Sci-fi 4.5%, Classic 3.1% ★

Slip into the role of Daniel Hanson, commander of the first mission to a remote planet called Meridian. Assured of the fact that the planet is uninhabited, the unexpected reception of a distress call from the surface could mean many things, none of which you are prepared for.

Why similar: RTS 55.1%, Strategy 39.2%, Sci-fi 5.7%

Why You'll Like It: A sci-fi RTS that allows for unit customization and emphasizes tactical choices during combat.

Includes 47 Steam achievements, leaderboards, and stats!

Why similar: RTS 54%, Strategy 36%, Sci-fi 6.7%, Classic 2.9% ★, Space 0.3%

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: RTS 47.5%, Strategy 26.6%, Space 14.3%, Sci-fi 11.6%

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 43.7%, RTS 40.6%, Space 10.3%, Sci-fi 5.4%

The game expands the story of the original Perimeter in a vast singleplayer campaign.

Why similar: Strategy 61.5%, RTS 30.3%, Space 8.2%

One of the greatest sci-fi strategy games of all time returns with remastered visuals, online multiplayer and near unlimited mod content from Steam Workshop. Experience thrilling first person action and acclaimed RTS in this explosive alternate vision of the 1960s space race.

Why similar: RTS 37.9%, Strategy 28.5%, Classic 21.9% ★, Sci-fi 7.8%, Space 3.9%

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: Strategy 45.4%, RTS 35.5%, Space 12.8%, Sci-fi 6.3%

Explore. Strategize. Conquer.In the far future, Mankind has nearly exhausted all of earth’s natural resources. Fragile alliances between nations are tested to their limits as fierce wars ignite across land and space.MoonBase Commander puts you in charge of your own lunar territory in a quest to build the most powerful empire in space.

Why similar: Strategy 100%

Ambitious megacorporations monopolize the conquest of space and the colonization of the solar system. At the very edge of the solar system, the companies make a discovery that will shift the technological advantage and upset the balance. And so a new conflict is born: "The Jupiter Incident."

Why similar: Strategy 33.6%, RTS 33.1%, Space 13.8%, Classic 10% ★, Sci-fi 9.5%

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: RTS 41.7%, Strategy 38.8%, Space 12.4%, Sci-fi 7.1%

ENDLESS™ Space is a turn-based 4X strategy game, covering the space colonization age in the ENDLESS™ Universe, where you can control every aspect of your civilization as you strive for galactic domination.

Why similar: Strategy 71.3%, Space 17.2%, Sci-fi 11.5%

Make Mars your own! Take control of the world’s most sophisticated AI (AMI) and terraform the surface of the Red Planet for a city-building experience on a planetary scale. Transform this barren world into a lush paradise and explore the surface for any ancient secrets that may be waiting.

Why similar: Strategy 58.5%, Space 21.9%, Sci-fi 19.5%

Build powerful battle robots from components like Chassis, Weapon and Booster. The battle’s starting and you’re right in it – with freely definable camera perspectives, spectacular effects, unlimited zoom and scroll, colored light sources, terrain morphing and 3D sound. Pure action – pure excitement!

Why similar: Strategy 100%

The world erupts in conflict as Soviet forces invade American soil in Command & Conquer: Red Alert 2. You are the Supreme Commander. Arm yourself to the teeth with top-secret technologies and lead the Soviet or Allied troops to victory.

Why similar: RTS 53.8%, Strategy 29.4%, Classic 14.2% ★, Sci-fi 2.6%

Impossible Creatures is a 3D RTS game that pits the player against an evil villain. Using Earth’s most formidable animals as building blocks, the player must create an army of genetically-altered mutant monsters in a titanic struggle to protect an unsuspecting world.

Why similar: RTS 50.8%, Strategy 29.3%, Classic 16.8% ★, Sci-fi 3.1%

Executive Assault is an indie real-time strategy/first-person shooter where you can not only build your base and create armies, but also take control of your units and fight as one of them.

Why similar: RTS 58.7%, Strategy 35.1%, Sci-fi 6.3%

Age of Mythology is back! Choose your god and take to the battlefield in this classic, upgraded with full Steamworks integration and enhanced features.

Why similar: RTS 46.2%, Strategy 33%, Classic 20.8% ★

Mars has been colonized, and Earth's corporate titans fight to dominate this new market. Competition is fierce in this fast-paced economic RTS from Civilization IV Lead Designer, Soren Johnson.

Why similar: Strategy 58.4%, Sci-fi 22.9%, Space 18.6%

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: Strategy 41.5%, RTS 35.4%, Space 14.5%, Sci-fi 8.6%

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: Strategy 56.2%, Space 23.7%, Sci-fi 20.1%

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

Why similar: Strategy 63.7%, RTS 22.8%, Sci-fi 13.5%

Take command of your own mercenary outfit of 'Mechs and the MechWarriors that pilot them, struggling to stay afloat as you find yourself drawn into a brutal interstellar civil war.

Why similar: Strategy 71.3%, Sci-fi 18.8%, Space 9.9%

A desolate realm, kept in flux by the rhythm of battle. A proving ground for those with great ambition. A Year Of Rain is the ultimate team real-time strategy game. Choose your faction, team up and take control of a legendary hero to lead your armies!

Why similar: RTS 55.1%, Classic 26.9% ★, Strategy 18%

The Spance approaches, a vast and mysterious storm at the edge of humanity. Who shall claim its riches? Brave the perils of the depths in a story-rich singleplayer campaign with numerous distinct factions and bosses. An RTS base builder with huge battles, constant production, and autonomous ships.

Why similar: RTS 54.9%, Strategy 23.7%, Space 13.2%, Sci-fi 8.1%