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The top results based on the latest update are Zero Agency [Score: 1.0], Eleven Sunrises [Score: 1.0] and The Extinction Directive [Score: 1.0] The top rated games you can find here are Taur [SteamPeek Rating: 6.0] ranked #24, There Came an Echo [SteamPeek Rating: 3.9] ranked #28 and Temporal Titans [SteamPeek Rating: 3.3] ranked #17 Also don't forget to check the newest releases Temporal Titans [Release date: 2026-03-09] ranked #17, The Extinction Directive [Release date: 2025-11-17] ranked #3 and Space Base Defense [Release date: 2025-11-16] ranked #23 While it is tempting to play with the newest and the best, there might be some other gems in the results, like Taur [SteamPeek Rating: 6.0] ranked #24,.
Tower Defense meets a Visual Novel narrative. Place an arsenal of towers to halt the invading enemy. Use special abilities such as napalm strikes, EMP blasts, and orbital lasers. A sci-fi space drama, filled with dialogue choices.
Zero Agency is an old school 2.5D dystopian sci-fi Tactical RTS, guide four agents through a series of contracts, hacking, subverting or brute force blasting your way to victory.
Eleven Sunrises is an open world exploration and survival RPG/TOWER DEFENSE. Explore a vast post-apocalyptic world and survive waves of enemies.
A single-player sci-fi strategy game set in a future where humankind has made the first leap to a distant star system
"In 'Random Core Defense,' acquire and enhance cores using limited resources to withstand relentless enemy onslaughts. Defeat powerful bosses and test your strategy to survive until the very end!"
TechDev Tycoon is a technology company management simulator where you will be at the helm of your own technology business. Create all kinds of tech, cryptocurrencies, AI and OS, expand production, compete with competitors and explore new technologies to become the industry leader.
The Rift is a tower defense game with elements of RPG gameplay that will appeal to players of all skill levels. Enemies from an alternate universe are attacking and it's up to the player to stop them by strategically building defensive towers.
The Echoes of Mars is a voxel-style tower defence game. Defend your research base on Mars from ancient creatures by strategically placing towers and using advanced tech.
TAVU is a PvE RTS game with a tactical combat system. Build your bases and defend them against waves of enemy attacks. Upgrade your units and destroy enemy bases to gain new territories and resources.
A grand and intense tower defense science fiction game, where you only need to purchase once to enjoy all the content of the game.
Join in on the next gold rush and become a prospector in space. In this unique tower defense you can set up and reposition towers for maximum efficiency and adapt to the environment.
FinalFort is a survival game with defense as the core gameplay, and when the end comes, you use the last human shelter to constantly dig minerals, build walls and various turrets to defend against the endless zombie army.
Robowars is back on Steam! Fight off troops of droids for freedom and honor in our classical tower defense game. Lead the forces of the Solar Union to protect the peaceful planet of Praymos from the aggressive Trade Confederation.
Strategy, timing and fortune: Novel and immersive tower defense game experience!
By Placing the turrets, Save Humanity from AI!
Playroom Invasion TD invites you to an exciting tower defense adventure set in a nursery filled with toy characters and towers. Take part in fun and tactical battles against evil toys and monsters trying to take over your room which is full of towers with different features.
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Tower defense adventure where you recruit heroes and use them to take down the corruption.
Temporal Titans is a Tower-Defense game with Time Travel. Send mechs back to previous waves to prevent your defeat, and protect your salvage team from the monstrous Grell as you scavenge the ruins of a lost earth. Rewind, rethink, and reclaim the future!
The hungry Gooper swarm threatens intergalactic peace. Stop them! Build towers around planets and take control over their orbits. Spin them with all you’ve attached! Collect new towers, powers and upgrades to beat the onslaught of goopers and save the galaxy in this colorful Tower Defense Roguelite!
Molten Armor is an action tower defense game with a non-linear story in sci-fi setting! Command defenses and stop hordes of enemies! Fight on land, sea and in the skies!Decisions taken in the heat of battle will change the course of the war.
In Vermin Control, you will enter a thrilling sci-fi tower defense world filled with strategic combat and high tension. Operate a versatile unit capable of both melee combat and construction, deploy and manage 9 unique devices, and protect key facilities from relentless vermin assaults.
In Void Guard Outpost you build powerful towers to defend your gate against endless hordes of enemies! This action-packed tower defence game offers tactical depth, epic maps and challenging battles. So, are you ready to stop the invasion?
A strategic tower-defense where you control powerfull drones. Unlock new tower and use specific technologies to defend your base on Thukothea!
A strategic and action-packed base survival game where you mine crystals, build units, and defend your base against waves of UFOs. Defeat enemies, gather resources, and unlock new planets to expand your defenses. Are you ready to conquer the galaxy?
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?
Engage in real-time battles with customizable space warships. Explore the galaxy, forge alliances, develop powerful ships, and defeat alien invaders.
A classic tower defense game set in space! Build and upgrade towers, defend your portal from waves of alien invaders, and outsmart evolving threats across handcrafted and procedural maps.
Bite size colossal battle! Build an army in minutes as infantry upgrade with orbital drops into war machines! Then combine those machines to form the giant Mantlet mech! All while bullet hell rages! In a transhuman future, command Mantlet One to secure New Terra!
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There Came an Echo is a real-time strategy game in which the player assumes command of a small squadron, using an advanced voice recognition system to issue orders. It features a character-driven sci-fi narrative that stars Wil Wheaton, Ashly Burch, Laura Bailey, Yuri Lowenthal, and more!
Overview"Star Maidens Chronicle" requires you to handle ever-changing battlefield situations.Your goal is to become the commander of a powerful Faction and destroy enemy strongholds.To fulfill your ambition, you must establish a city, raise an army and become strong enough to overwhelm your opponents.
Star Pulse: The War is an independent real-time strategy game that merges science fiction with fantasy. Players will command a sci-fi faction, harnessing the power of star pulse to gather resources, construct buildings, train troops, and nurture heroes in the fight against invading magical forces.
Tricky maps, insane waves. Once you master the path, enemies are nothing.
Defend your tower for as long as you can from the aliens invading your space! Level up, earn money and new units, and strategically place them in the grid!
Control a fully armed Mech and fight through cyberpunk cities, military bases and industrial ruins. Capture and defend territories, build turrets and structures, and wage war against powerful enemies!
Neon Grid Defenders is a sci-fi roguelite tower defense game featuring a free and unique upgrade system, decision based path generation and a strong but static difficulty curve. Build your path, place your towers, hook them up with upgrades and melt your enemies!
The Wave is a solo Action-shooter RPG, set on various planets within the galaxy. The player will conduct missions from your direct commander and your own secret missions to discover your past. You can also decide on your equipment and customize your own ship before in-between missions.
This is a sci-fi strategy game featuring a Defense Mode focused on tower defense and an Attack Mode focused on combat. The game includes over 30 different buildings and units, all of which can be upgraded through entry editing to enhance their performance and firepower.
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