Games Like Stellar Survivor

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 26.3%, Aliens 12.3%, Survival 11.5%, FPS 10.5%, Strategy 10%

Why You'll Like It: A modern sci-fi FPS that emphasizes dynamic base defense and strategic trap placement against alien hordes.

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 37.1%, Co-op 17.9%, FPS 10.7%, Strategy 7.4%, Multiplayer 6.1%

Why You'll Like It: This is the definitive FPS-tower defense hybrid that perfectly mirrors the core gameplay loop of defending a base with both traps and personal weaponry.

Fortified is an explosive strategy shooter where players will defend the Earth against a menacing Martian invasion in the 1950s. Play as one-of-four pulp inspired heroes as they fight swarms of terrifying robots with an arsenal of Cold War era weapons and experimental technology.

Why similar: Action 56.8%, Tower Defense 15.2%, Co-op 9.9%, Aliens 5.2%, Strategy 4.5%

Why You'll Like It: A retro-inspired sci-fi shooter that requires players to build defensive structures while fighting off waves of enemies.

A fast paced multiplayer shooter that pits aliens against humans in a strategic and action-packed struggle for survival!

Why similar: Multiplayer 18.3%, Aliens 13.5%, FPS 13.1%, Strategy 12.5%, RTS 10.8%

Why You'll Like It: Features asymmetric combat where players must balance FPS action with strategic base management against alien forces.

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 45.4%, Co-op 24.9%, Strategy 9.6%, Multiplayer 8.2%, Action 6.2%

Why You'll Like It: While fantasy-themed, it is the gold standard for action-tower defense games where you must actively participate in the combat to survive.

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 34.7%, Co-op 17.1%, Aliens 15.9%, Strategy 10.9%, Sci-fi 7.6%

Why You'll Like It: A unique blend of top-down shooter and tower defense that forces you to strategically manipulate the battlefield while fighting.

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 43.1%, Multiplayer 26.4%, Survival 15%, Strategy 11.9%, Building 3.7%

Why You'll Like It: A classic co-op experience that balances character-based action with deep tower defense strategy.

Starship Troopers: Extermination is a 16-player co-op FPS that puts you on the far-off frontlines of an all-out battle against the Bugs! Squad up, grab your rifle, and do your part as an elite Deep Space Vanguard Trooper to take back planets from the Arachnid threat!

Why similar: Co-op 18.6%, Aliens 17.3%, Multiplayer 12.6%, FPS 9.9%, Sci-fi 8.4%

Why You'll Like It: An intense co-op horde shooter that captures the feeling of defending against overwhelming alien threats in a sci-fi setting.

You have 9 days to find a safe place on the planet. Your ship is low on fuel and you have to land. Setup sentry guns around you to defend yourself while you collect more fuel for the ship. AI controlled Drones and Tanks attack you trying to find weaknesses in your defenses.

Why similar: Tower Defense 37.6%, Strategy 16.3%, Survival 9.8%, Action 9.6%, FPS 8.6%

Why You'll Like It: An FPS tower defense game that tasks you with surviving against waves of robotic threats using both guns and turrets.

The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.

Why similar: Tower Defense 34.1%, Multiplayer 21.7%, Survival 16.5%, RTS 14%, Strategy 10.1%

Why You'll Like It: This title masterfully combines base building, survival, and action-heavy defense against massive alien swarms.

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: Co-op 25.7%, Multiplayer 15.3%, Survival 13.3%, Strategy 13.1%, RTS 11.8%

Why You'll Like It: An indie tower defense title that focuses on sci-fi survival and base protection.

Deep Rock Galactic is a 1-4 player co-op FPS featuring dwarven space miners, procedurally-generated destructible environments, and endless hordes of alien monsters. Explore cave systems, mine for minerals, and work together to survive!

Why similar: Co-op 33.2%, FPS 13.2%, Survival 10.2%, Space 9.3%, Shooter 9.1%

Why You'll Like It: Focuses on co-op survival and defense against alien hordes in procedurally generated sci-fi environments.

Brace yourself for a brand new action-packed Open World. Explore a huge world to gather materials for gear and defenses. Use everything at your disposal to defend your bases and defeat hordes of hostile monsters. Play solo or up to 8-player online!

Why similar: Tower Defense 27.9%, Co-op 20.8%, Multiplayer 16%, Survival 10.2%, Strategy 9.4%

Why You'll Like It: An open-world survival game that integrates significant tower defense mechanics into its exploration and combat.

NOW AVAILABLE! When the Earth falls to an extra-terrestrial invasion, humanity becomes an endangered species. Earthfall is a four-player cooperative shooter that challenges players to survive hordes of ruthless alien drones and their inscrutable masters.

Why similar: Co-op 23.4%, Aliens 16.9%, FPS 12.2%, Violent 10.1%, Multiplayer 8.6%

Why You'll Like It: A co-op shooter focused on defending specific points against waves of alien enemies.

7 Days to Die is an open-world game that is a unique combination of first-person shooter, survival horror, tower defense, and role-playing games. Play the definitive zombie survival sandbox RPG that came first. Navezgane awaits!

Why similar: Tower Defense 25.3%, Survival 25.2%, Multiplayer 19.3%, FPS 11%, Strategy 9.9%

Why You'll Like It: A survival game that places a massive emphasis on building fortified bases to survive periodic, intense horde attacks.

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 34.2%, Strategy 20.6%, RTS 16.2%, Aliens 11.5%, Sci-fi 7.6%

Why You'll Like It: A strategy-focused tower defense game where you must clear alien infestations through tactical movement and base building.

Stranded on a hostile and deadly planet, you must gather resources, build shelter, and fight to survive each night. But the secrets of this world await in a gripping sci-fi survival PvP game.

Why similar: Multiplayer 22.2%, Survival 19.9%, Space 12.5%, FPS 12.3%, Sci-fi 11.5%

Why You'll Like It: A multiplayer survival shooter that emphasizes sci-fi exploration and defensive combat.

In KILLING FLOOR 2, players descend into continental Europe after it has been overrun by horrific, murderous clones called Zeds that were created by rogue elements of the Horzine Corporation. 6-player Co-Op & 12-player VS Zed-slaughtering mayhem.

Why similar: Co-op 24.6%, Multiplayer 17.3%, Survival 15.4%, FPS 13%, Shooter 9.9%

Why You'll Like It: A fast-paced co-op shooter that emphasizes wave-based survival and defensive positioning.

Slice, burn, toss, zap, grind and gib massive hordes of repugnant orcs in this long-awaited successor to the award-winning Orcs Must Die! series.

Why similar: Tower Defense 43.5%, Co-op 30.1%, Strategy 11.2%, Multiplayer 10.7%, Action 4.5%

Why You'll Like It: The latest entry in the series that refines the action-tower defense formula with larger-scale battles.

The laser bow wielding security force has been called in. Fulfill your obligation to the Containment Corporation, keep the energy bases operational. Containment Corps mixes first person action with co-operative strategy and tower defense elements.

Why similar: Tower Defense 24%, Multiplayer 19.4%, Action 19.4%, Co-op 15.6%, FPS 14.7%

Why You'll Like It: An action-oriented FPS that incorporates tower defense elements into its mission-based gameplay.

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 44.6%, Aliens 17.8%, Strategy 15.7%, Sci-fi 13%, Space 7.5%

Why You'll Like It: A roguelike tower defense game with a sci-fi setting that emphasizes difficult, strategic encounters.

Co-operative top-down shooter game available for free. An epic bug hunt featuring a unique blend of co-op play and squad-level tactics.

Why similar: Co-op 33.1%, Aliens 30.4%, Sci-fi 13.4%, Shooter 12.5%, First-Person 10.5%

Why You'll Like It: A tactical top-down co-op shooter that requires team coordination to defend against alien infestations.

Experience a vast Sci-fi open-world survival TD game set on a distant planet deep in the universe. Craft, build, mine, trade, explore, and survive in this alien world. Collect Data and defend against waves of enemies seeking to banish you. Enjoy the adventure in Singleplayer or Multiplayer.

Why similar: Tower Defense 26.8%, Co-op 22.3%, Multiplayer 17.1%, Survival 16%, Sci-fi 9%

Why You'll Like It: A co-op survival game that features base building and exploration on alien planets.

“Alien Marauder” is a real-time strategy game with survival and confrontation theme. In this game, you will be the leader to a treacherous alien planet, build and defend base to survive against the vexan waves. Make the right decision!

Why similar: Tower Defense 25.3%, RTS 16.6%, Aliens 16.3%, Survival 15.5%, Strategy 12%

Why You'll Like It: An RTS-survival hybrid that emphasizes base defense against massive waves of alien enemies.

Stranded in a hostile alien world, you must fight to survive. Hunt, harvest, craft, advance skills, and build using local resources along with technology from your voyage.

Why similar: Survival 28.1%, Multiplayer 22.2%, Co-op 13.5%, Sci-fi 6.9%, Shooter 6.5%

Why You'll Like It: An open-world survival game with multiplayer elements that focuses on base building and defense.

Serious Sam 4 reignites the classic FPS series in a high-powered prequel loaded with an explosive arsenal, intergalactic carnage, and perfectly timed one-liners.

Why similar: Co-op 26%, Violent 16.9%, FPS 16.7%, Multiplayer 16.1%, Shooter 9.5%

Why You'll Like It: An action-packed horde shooter that captures the sheer scale of fighting massive alien swarms.

Battle massive hordes of alien monsters to secure humanity's presence on planet Gore. Upgrade your base, hire troops, and install turrets to fight back the ever growing waves of aliens.

Why similar: Tower Defense 36.6%, Survival 17%, Aliens 15.5%, Shooter 12.3%, Action 9.9%

Why You'll Like It: An action-heavy shooter with roguelite elements that focuses on surviving against waves of enemies.

Our world is in danger! Grab your gun and stop these uninvited guests!

Why similar: Co-op 22.1%, Tower Defense 18.2%, Multiplayer 12.9%, FPS 11.4%, Action 10%

Why You'll Like It: An action-adventure title with FPS elements that focuses on surviving in hostile environments.

Explore alien planets to mine resources, kill alien insects, build defense turrets, and survive waves of insect attacks across the galactic frontier. Astro Looter combines elements of survival, roguelike, and tower defense in a top-down shooter.

Why similar: Tower Defense 36.6%, Survival 18.6%, FPS 14.5%, Shooter 11.7%, Realistic 10.8%

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 31.4%, Aliens 17.2%, Survival 14.3%, Strategy 11.9%, Sci-fi 10.3%

StarRupture is a first-person open world base-building game with advanced combat and tons of exploration. Play alone or in a group on this sublime and ever-changing planet, extract and manage resources, create your complex industrial system and fight off hordes of alien monsters.

Why similar: Co-op 30.6%, Multiplayer 20.2%, Survival 19.7%, Sci-fi 12%, Shooter 11%

Desperate Place is a strategic tower defense game where you play as a crew member who wakes up early on a damaged colonization starship. Stranded on an unknown planet, you must gather resources, repair the ship, and defend against alien monsters to survive and escape.

Why similar: Tower Defense 33%, Survival 14.8%, Strategy 13.1%, Space 11.9%, Sci-fi 10.6%

A tower defense action roguelike where you control a single tower to fight against hordes of aliens coming from all directions. Pick your tower, equip up to 4 skills, and choose from a variety of traits and items to craft powerful builds that lead you to victory.

Why similar: Tower Defense 34.5%, Aliens 17.5%, RTS 14.6%, Strategy 13.5%, Survival 12.8%

You are Earth's last line of defense in a relentless alien invasion. Experience intense top-down roguelite action across diverse landscapes, fighting invaders with a versatile arsenal. Outsmart, outgun, and survive your foes. Every run increases the challenge - so adapt, evolve, dominate!

Why similar: Aliens 36.9%, Survival 28.1%, Sci-fi 18.6%, Action 12.1%, Indie 4.4%

Survive in a harsh and dangerous world after an alien invasion. Gather resources, craft equipment, fight mutants and massive monsters, use weapons, vehicles and robots, explore territories, defend strongholds and fight for survival.

Why similar: Aliens 29.8%, Survival 19.8%, FPS 16.5%, Shooter 12.7%, Realistic 12%

Star Survivor is a space-themed survival game that blends intense deckbuilding strategy. Pilot humanity's last spaceship through the vast galaxy, Unlock powerful weapon combos, collect card modules, and craft unique builds. As the enemy swarms grow denser, will you be the last one standing?

Why similar: Survival 47.4%, Space 35.1%, Action 17.6%

A Tower Defense hybrid where survival depends on strategy and firepower. Build turrets, mine resources, and hold the line against relentless AI swarms. Switch instantly between commanding the battlefield in RTS view or fighting on the ground in FPS combat.

Why similar: Tower Defense 27.3%, Aliens 16.3%, RTS 14.1%, FPS 11.2%, Shooter 8.2%

Crash-land onto a unique and hostile alien world and begin your fight to survive. Face its inhabitants, upgrade your technology, create outposts & bases, and find a way to repair your ship. Explore the beautifully strange terrain, all while blasting and crafting your way off of the planet.

Why similar: Survival 25.3%, Aliens 19.6%, Space 19%, Sci-fi 14.1%, First-Person 10.6%

Silica blends FPS and RTS in epic, photorealistic battles. Choose to fight on the ground or command from above as humans or aliens. Dive into thrilling multiplayer combat or master strategic command. Are you ready to survive and conquer?

Why similar: Aliens 15.8%, Multiplayer 13.8%, RTS 13.7%, Co-op 11.1%, FPS 10.4%

Epic sci-fi tower defense action with 16-bit era look and feel, pitching your colonists against an almost endless horde of hostile alien robots who strongly oppose your attempts of colonizing their planet! Deluxe version includes the soundtrack!

Why similar: Tower Defense 45.9%, Strategy 30.7%, Action 17.1%, Indie 6.3%

Get ready for the apocalypse! Shatterline is a high-octane single-player FPS adventure where Earth’s survival hangs in the balance. Pick a unique operator and combat the alien plague!

Why similar: FPS 16%, Co-op 14.3%, Multiplayer 14%, Sci-fi 13%, Shooter 12.8%

Humans VS Aliens FPS shooter combined with RTS.

Why similar: Action 46.7%, FPS 36.6%, Indie 16.7%

Defense: Abominations is a first person tower defense game where you try to survive the abominations stored in the laboratory, as long as you can.

Why similar: Violent 27.3%, Tower Defense 19.2%, Strategy 16.2%, Survival 11%, Action 9.6%

Shatter genre boundaries in this sci-fi survival Roguelite blending bullet-hell action and base-building RTS. Dodge and unleash screen-clearing firepower against alien hordes, while constructing fortresses and real-time automated defenses to crush your enemies.

Why similar: Tower Defense 36.9%, Space 16.5%, Strategy 16.1%, Sci-fi 12.8%, Shooter 9.4%

Let Them Come is a fast paced pixel art shoot ‘em up. Twitchy trigger fingers and focused battle tactics are the order of the day as wave after wave of alien-like creatures try to take you down.

Why similar: Tower Defense 27.9%, Aliens 17.6%, Violent 13.6%, Survival 10.4%, Shooter 7.8%

Choose a planet, build your fortress, and prepare for war. Arm yourself with powerful weapons, deploy troops, and defend your stronghold against relentless attacks. In this action-packed block-builder, survival is earned, and only the strongest will remain.

Why similar: Tower Defense 40.8%, FPS 18.9%, Action 12.1%, Shooter 11.5%, First-Person 7%

Galactic Force is a sci-fi FPS loaded with frantic action and lots of firepower.

Why similar: Co-op 16.5%, Action 13.8%, Aliens 12.3%, Multiplayer 11.3%, FPS 10.9%

In the vastness of space, you are a lone robot desperately trying to survive. Build, explore, and fight for your life as you face deadly threats in the asteroid belt. This hardcore game shows no mercy—dangers lurk at every step, ready to destroy you at any moment.

Why similar: Multiplayer 24.6%, Survival 24.4%, FPS 16.2%, First-Person 8.6%, Action 8%

Acid Planet is a caustic blend of horde-survival, tower-defense and strategy. Build, fight and evolve to survive against rampaging swarms of monsters and fearsome Kaiju.

Why similar: Tower Defense 44.7%, RTS 19.7%, Strategy 16.1%, Survival 15.2%, Building 4.3%

Last Resort is a small co-op shooter in which you and up to 3 others defend humanity's first hotel on Mars against hostile aliens. Defend & power up generators, upgrade your weapons and gun down hordes of aliens to save the hotel!

Why similar: Co-op 29.1%, FPS 15.7%, Violent 11.9%, Shooter 8.9%, Space 7.8%

Employ lethal turrets, traps, and gadgets to defend against an onslaught of evolving creeps! Step into a twisted, hyper 3D, mind bending realm. Upgrade and adapt your defenses. Become a master maze crafter. Collect bizarre artifacts. Rush creeps for lucrative rewards, and succumb to greed!

Why similar: Tower Defense 33.5%, Aliens 15.8%, Multiplayer 11.9%, Strategy 11.5%, Survival 10.8%

Operation: New Earth is an intense sci-fi multiplayer strategy game in which you must command an advanced military facility to defend Earth from a hostile alien invasion. Create an alliance, gather resources, and unlock advanced technology to level up your stronghold!

Why similar: Strategy 40.1%, Aliens 20.1%, Multiplayer 17.8%, Sci-fi 13.6%, Survival 8.4%

EXOME is a co-op sci-fi survival shooter that blends wave-based survival with open-world exploration. Battle hordes of aliens, upgrade your arsenal, and uncover the hidden truths of the deep forest. Will you face it alone or bring your friends along?

Why similar: Aliens 26.1%, Co-op 22.8%, Shooter 17.8%, Sci-fi 16.2%, Action 10.5%

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

Why similar: Tower Defense 58.7%, Strategy 14.5%, Aliens 9%, Sci-fi 6.7%, Action 5.2%

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 43.7%, Aliens 21.3%, Strategy 15.8%, Sci-fi 11.6%, Action 7.6%

Prepare your defenses during the day and survive until dawn. Defender Bros is a Top-Down Tower Defense Roguelike where you play as a Soldier defending your Base. Pick between multiple abilities as you level up to increase you power, then after each run buy perks and get stronger

Why similar: Tower Defense 39.2%, Aliens 22.3%, Multiplayer 17.7%, Strategy 15.7%, Action 3.4%