
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. 🚀
60+ similar titles based on shared tags and player behavior. Themes include Tower Defense, Strategy, Multiplayer, Base Building.

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. 🚀

TDS - Tower Defense Strategy
TOWER ▪ DEFENSE ▪ STRATEGY. Control Vessels. Utilize their uniquely deep set of towers. Create an everchanging defense. Play with friends. Protect your Basin at all costs. An absolute Tower Defense, Real-Time Strategy Hybrid

Stellar Survivor
Stranded on an alien planet, you must defend your Powercore! Use your weapons to fight hordes of alien enemies and strategically use traps in this new FPS tower-defense survival game!
TOWER ▪ DEFENSE ▪ STRATEGY. Control Vessels. Utilize their uniquely deep set of towers. Create an everchanging defense. Play with friends. Protect your Basin at all costs. An absolute Tower Defense, Real-Time Strategy Hybrid
Why similar: Action RTS 25.7% ★, RTS 17.4%, Co-op 14.7%, Online Co-Op 13%, Base Building 10.9%
Stranded on an alien planet, you must defend your Powercore! Use your weapons to fight hordes of alien enemies and strategically use traps in this new FPS tower-defense survival game!
Why similar: Co-op 25.7%, Multiplayer 15.3%, Survival 13.3%, Strategy 13.1%, RTS 11.8%
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: Online Co-Op 20.9%, Base Building 20.6%, Co-op 16.1%, Survival 13.9%, Multiplayer 10.8%
Colony Siege combines the best of RTS and tower defense, including base building, mazing, and unit physics. Defend Earth's remaining colonies using an arsenal of deadly weapons to torch, slice, throw, and impale swarms of alien invaders.
Why similar: Strategy 20.6%, Co-op Campaign 18.9% ★, RTS 13.5%, Co-op 11.7%, Online Co-Op 8.7%
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: Co-op Campaign 20.9% ★, Base Building 20%, Online Co-Op 18%, RTS 11.5%, Survival 9.3%
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: Action RTS 28.8% ★, Online Co-Op 16.5%, Real Time Tactics 16.1%, Survival 9.3%, Sci-fi 8.5%
Citywars TD is a cute multiplayer third person Survival Tower Defense. Build towers, gather resources, craft tools, upgrade weapons, level up buildings, expand your city with your friends and work under pressure before the next incoming wave of monsters.
Why similar: Action RTS 26.5% ★, Base Building 21.7%, Online Co-Op 21.4%, Survival 14.8%, Strategy 9.9%
The Universe is yours. SpaceCraft is an online space exploration and building game. Explore a vast galaxy of solar systems and planets, mine and craft resources, design and build ships, automate planetary bases and interplanetary logistics, trade and cooperate.
Why similar: Base Building 24.8%, PvP 16.9%, Co-op 16.8%, Multiplayer 13.2%, Sci-fi 12.5%
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: Real Time Tactics 39.5%, Base Building 29.2%, Strategy 12.2%, Sci-fi 11.2%, Tower Defense 6%
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: Co-op 25.4%, Multiplayer 17.1%, Online Co-Op 15.2%, Survival 14.9%, Strategy 11.3%
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: Base Building 43.4%, Sci-fi 23%, Strategy 22.3%, Tower Defense 11.4%
The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.
Why similar: Base Building 24.7%, Online Co-Op 23.9%, Survival 14%, Multiplayer 12.1%, RTS 10.4%
Trial of Empires TD, is a Free to Play 3D tower defense game. Pick your ally and build your strategy with different combinations. Compete with other players on the Leaderboards with Single-Player or CO-OP game modes
Why similar: Online Co-Op 33.7%, Co-op 26.3%, Multiplayer 16.9%, Strategy 11.2%, Tower Defense 5.5%
Tower Defense meets Base Management. Strategically place your defenses. Craft wacky ammunition like fiery peppers and boomerang bananas. Discover amazing weapons and automate your economy while defending against waves of enemies. Can you handle the chaos?
Why similar: Co-op Campaign 32.5% ★, Online Co-Op 19.5%, Base Building 17.9%, Co-op 14.3%, Multiplayer 7.6%
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: Real Time Tactics 19.2%, Base Building 16.7%, RTS 15.6%, Co-op 11.9%, Online Co-Op 11.6%
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: Survival 35.9%, Sci-fi 26.5%, Strategy 24.5%, Tower Defense 11.6%, Action 1.5%
Grab your hammers and start to craft in this co-op Tavern Defense for one to four players. As a team of Dwarves, you must gather supplies and build towers to protect your beloved brewery. Learn to cooperate to achieve victory in this chaotic multiplayer game!
Why similar: Co-op Campaign 35.3% ★, Co-op 21.3%, Online Co-Op 18.5%, Strategy 9.8%, Multiplayer 8.8%
A highly addictive survival crafting tower defense game! Gather, craft, build turrets, shoot guns, and expand the land to defend against waves of enemies in World Crafter TD!
Why similar: Base Building 41.7%, Survival 22.7%, Strategy 12.3%, Exploration 11%, Tower Defense 8%
Lodestar sends you and your squad of friends on your own space odyssey. Traverse multiple planets in a journey to get home without losing yourself or your ship to the perils of the unknown! Solve puzzles, gather resources, mine asteroids, and survive... with your own oh-so welcoming AI sidekick!
Why similar: Online Co-Op 24.9%, Base Building 20%, Co-op 17.4%, Multiplayer 12.1%, Sci-fi 10.1%
Axon TD lets you expand the map boundaries themselves. A huge arsenal of towers and a wide variety of enemies clash in a battlefield that grows to your whims. Engage in single, cooperative, and roguelite gameplay.
Why similar: Real Time Tactics 26.1%, RTS 17.9%, Online Co-Op 17.1%, Co-op 11.3%, Strategy 8.2%
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: Real Time Tactics 26.6%, RTS 23.1%, Base Building 21%, Sci-fi 9.9%, Multiplayer 9.2%
A highly addictive survival crafting tower defense game! Gather, craft, build turrets, shoot guns, and expand the land to defend against waves of enemies! The prologue for the full game, World Crafter TD!
Why similar: Base Building 42.7%, Survival 22.3%, Strategy 12.6%, Exploration 11%, Tower Defense 8%
Stormgate is a free-to-play real-time strategy game with a full single-player campaign, 3-player co-op, and PvP versus modes on over 60 maps. Our Editor is also freely available for you to craft just about any custom game mode you can imagine. Join our development journey today!
Why similar: Base Building 25.7%, RTS 24.2%, PvP 14.9%, Multiplayer 12.4%, Co-op 11.7%
With the shifting gravity on your side, aim your cannons, blast your enemies and enjoy the fireworks. Worbital is a real-time strategic artillery game in space, peppered with a heavy dose of cosmic chaos. The goal: be the last civilization standing!
Why similar: Action RTS 31.7% ★, Online Co-Op 13%, RTS 12.9%, Co-op 11.7%, PvP 11.6%
Explore, loot, and rush back to defend your ship against alien hordes. Solo or 4-player coop, grow stronger run after run in this frantic action roguelite with a touch of tower defense.
Why similar: Base Building 22.7%, Online Co-Op 21.4%, Co-op 20.3%, Survival 13%, Multiplayer 10.7%
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: Base Building 25.9%, PvP 20.5%, Survival 19%, Multiplayer 15.4%, Sci-fi 11.2%
TerraTech Worlds is an open world, build-craft adventure game, set on an uncharted alien world. Play solo or with friends, explore your surroundings, craft unique vehicles, construct automated bases, and battle your way through hazards and enemies to harness the power of your environment
Why similar: Base Building 31.8%, Co-op 23.4%, Survival 17.4%, Multiplayer 13.1%, Exploration 7.5%
Throbax TD is the "Tower Defense" game you are looking for: Help Ughlar fight his way through 50 levels, buy over 100 upgrades and get all of the 50+ achievements.
Why similar: Action RTS 25.6% ★, Base Building 18.6%, Online Co-Op 13.5%, Co-op 12.4%, Multiplayer 8.3%
Build. Automate. Defend.
Why similar: Base Building 27.6%, Online Co-Op 24%, Multiplayer 12.7%, Survival 12.1%, Strategy 9.7%
Build your base and battle with other players to control the galaxy! Galaxy Control is an ultimate space combat strategy game with fast-paced combats! Gather minerals and extract uranium, defend your base with laser towers, missile turrets, cannons, walls and mines.
A space survival crafting mining base building and star system building game. Craft rockets to create planets and Dyson Rings, mine and craft advanced materials, terraform the terrain, manage electricity, farm food, and more as you watch the star system evolve into stunning, ever-changing views.
Why similar: Base Building 46.6%, Survival 21.7%, Sci-fi 11.8%, Exploration 11.4%, First-Person 7.6%
A space survival open world terraforming crafting game, designed for 1 to 10 players. Alter the ecosystem of an inhospitable planet to render it habitable for humanity. Survive, gather resources, and build your base. Then, generate oxygen, warmth, and pressure to create a brand new biosphere.
Why similar: Base Building 25.6%, Online Co-Op 21.7%, Co-op 18.5%, Survival 14.7%, Sci-fi 7.7%
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: Base Building 52.2%, Strategy 18.3%, Sci-fi 17.2%, Tower Defense 9.8%, 3D 1.4%
It’s co-op space survival fun, Jim, but not as we know it. This Means Warp is an intense spaceship management roguelite experience for 1-4 players. Explore a procedurally generated universe, upgrade your ship, battle dangerous enemies and adapt your strategies to survive in a hostile galaxy.
Why similar: Co-op Campaign 32.9% ★, Online Co-Op 17.5%, Co-op 14.4%, Survival 13.3%, Multiplayer 8.2%
The original, uncompleted version of Vectorio. Claim resources, unlock new buildings, and expand your defenses as you fight back against enemy forces in the classic edition of Vectorio! Play for free now.
Why similar: Base Building 20.3%, Real Time Tactics 19.1%, Co-op 14.2%, PvP 13.1%, Survival 11.5%
Stars End is a sci-fi survival sandbox set on the wild frontier of a distant star system. Play solo or host your own server as you craft, build, and battle to survive in a galaxy shaped by danger, discovery, and your own grit.
Why similar: Co-op 18.9%, Online Co-Op 17.4%, Real Time Tactics 16.7%, PvP 13.6%, Survival 11%
Defend galaxy against Alien invasion in the RTS offline game with roguelike fun
Why similar: Action RTS 35.7% ★, Real Time Tactics 21.3%, RTS 15.1%, Base Building 13.3%, Strategy 6.5%
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: Base Building 24.2%, Co-op 18.7%, Online Co-Op 16.3%, Survival 14.5%, Multiplayer 10.8%
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: Base Building 49.4%, Strategy 19.9%, Sci-fi 19.7%, Tower Defense 8.2%, Casual 1.5%
Dungeon Defenders II is a cooperative Action Tower Defense game packed with roleplaying elements like loot, leveling, and pets.
Why similar: Co-op Campaign 50.8% ★, Online Co-Op 23.6%, Multiplayer 12.6%, Survival 9%, Tower Defense 3.4%
A sci-fi roomscale VR Tower Defense game. Strategize to destroy waves of rogue robots and assist the powerful turrets with a handheld drone. Build and collect resources and help evacuate your crew from the alien planet.
Why similar: Action RTS 31.3% ★, Real Time Tactics 20.7%, RTS 19.2%, Sci-fi 8.6%, Strategy 8.1%
An open-ended factory management game with RTS and tower defense elements.
Why similar: Base Building 27.7%, RTS 21.5%, Co-op 10.7%, Strategy 8.8%, Online Co-Op 8.8%
Farm, Build, Defend, in the Galaxy's only Arcade-Tower-Defense.
Why similar: Base Building 31.7%, RTS 22.9%, Co-op 11.2%, Strategy 11.1%, Survival 8.9%
Fly through Subspace, build your own ship, and engage in epic battles. Mine asteroids and research new technologies. Uncover the origins of the alien homeworld by solving weekly events in this Co-op PvE MMO.
Why similar: Base Building 32.5%, Sci-fi 21.1%, Co-op 15.8%, Strategy 15.4%, Exploration 14.3%
Survive, craft, and automate in this free prologue set on one of the planets you can transform in Eden Crafters, an open-world game where you play solo or with friends to turn a hostile planet into a habitable haven for humanity.
Why similar: Base Building 25.4%, Online Co-Op 20.6%, Multiplayer 13.8%, Co-op 13.1%, Survival 11.1%
Conquer the stars in this straightforward multiplayer real-time strategy game from the creators of First Strike and become a Stellar Commander!
Why similar: RTS 33.8%, PvP 23.7%, Multiplayer 15.8%, Sci-fi 13.6%, Strategy 12.1%
Build and design the terrain while defending your stronghold against alien invasion in this unique Roguelike tower defense. Choose from 30 heroes, survive enemy waves, and upgrade a variety of destructive towers to hold the line!
Why similar: Base Building 36.6%, RTS 31.5%, Strategy 14.9%, Sci-fi 8.4%, Tower Defense 7.8%
Cosmic Trip is an award-winning real-time strategy VR game. Build a base, command a flying drone army, and attack/defend hostile enemies on strange alien planets.
Why similar: Action RTS 45.9% ★, RTS 23%, Strategy 9.3%, Sci-fi 8%, First-Person 7.9%
Iron Armada is a multiplayer, space-faring combat game where players must team up to build a fleet of ships in order to survive the perils of space and defeat the opposing player faction. Build ships of all shapes and sizes, mine resources, and scavenge parts with friends to conquer the universe!
Why similar: Strategy 64.8%, Casual 21.7%, Multiplayer 8.7%, Action 4.3%, Indie 0.5%
Role of Hex is a real-time strategy game where you defend your hexagonal base from the dangers of the universe. Gather upgrades and unlock special buildings to survive this hostile land as endless waves of enemies approach. But be quick, time is ticking and the waves are getting bigger.
Why similar: Real Time Tactics 27.9%, Base Building 23.2%, RTS 18%, Sci-fi 10.9%, Strategy 7.7%
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 93.2%, Multiplayer 3.4%, Sci-fi 2.9%, Indie 0.5%
Element TD 2 sees you combine powerful elements to create unique towers. Prove your defenses against challenging foes, and compete or cooperate with others to determine who has mastered the elements.
Why similar: Real Time Tactics 25.4%, RTS 15.6%, PvP 14.2%, Co-op 10.8%, Online Co-Op 10.7%
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: Sci-fi 38%, Strategy 37.3%, Tower Defense 17.8%, Casual 5.5%, Indie 1.5%
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: Action RTS 42% ★, RTS 22.8%, Survival 13.6%, Strategy 11.8%, Tower Defense 5.4%
An infinitely replayable multiplayer and single-player tower defense. Defend against waves of enemies and destroy the enemy's king before they destroy yours. Legion TD 2 is a one-of-a-kind game of tactics, teamwork, and prediction. Party as 1-8 players.
Why similar: Online Co-Op 16.3%, Base Building 16.1%, PvP 14.5%, Co-op 14.1%, Multiplayer 11.1%
A colorful but challenging blend of classic RTS and tower defense. Build, expand, research, and defend your alien colony as you race to construct a teleportation device and escape a dying star.
Why similar: RTS 27.8%, Base Building 25.9%, Strategy 11.3%, Exploration 10%, Sci-fi 9%