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The top results based on the latest update are TechGuardian: Territory Defense [Score: 1.0], Armed to the Gears [Score: 0.9] and Space gold rush TD [Score: 0.9] The top rated games you can find here are Supreme Commander 2 [SteamPeek Rating: 7.4] ranked #21, Battlefleet Gothic: Armada 2 [SteamPeek Rating: 6.4] ranked #34 and Taur [SteamPeek Rating: 6.0] ranked #8 Also don't forget to check the newest releases IRON GUARD: Salvation [Release date: 2025-11-20] ranked #29, Space Mantlet [Release date: 2025-08-23] ranked #15 and TechGuardian: Territory Defense [Release date: 2025-08-06] ranked #1 While it is tempting to play with the newest and the best, there might be some other gems in the results, like IRON GUARD [SteamPeek Rating: 4.7] ranked #20, Supreme Commander 2 [SteamPeek Rating: 7.4] ranked #21 and Battlefleet Gothic: Armada 2 [SteamPeek Rating: 6.4] ranked #34.
Space Grid Tournament lets you take part in the most spectacular sport of the future. Spawn your robotic players, fight to take control over every tile of the field, and lead your team to glorious victory. Fast, tactical, and brutal shot of fantastic sport emotions!
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.
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!
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.
Tau Cubis is a mazing tower defense game set in colorful sci-fi landscapes. Use your strategic skills to overcome numerous challenges and advance through the leaderboards.
Do you like Tower Defense games with Strategy elements? Well, look no further! We've got exactly what you're looking for! Get ready to defend your settlement from enemies using a huge arsenal of towers!
Destroy. Salvage. Repair. Upgrade. PROFIT! A real-time tactical experience where you command your own mercenary outfit of mechs and mercs and adventure through randomly generated missions filled with rewards, glory, and bitter defeat.
Gear up and get going! Defend your outposts from waves of alien enemies with your mech. Build and upgrade your base, protecting the extraction of the mysterious planetary system’s rich resources!
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?
Scifi strategy game combining turnbased strategy and tower defence Upgrade and customize your own mechs to adapt in an ever changing world!
Join our machine legion to conquer the world.
Engineered to Purpose is a new tower defence game where you custom-design towers to defend your base, with millions of builds to explore and refine. Set in the far future, E2P's story of posthumanism, family, and change will open new worlds to explore and survive.
Strategy, timing and fortune: Novel and immersive tower defense game experience!
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!
AT THE LIMITS OF EARTH, AT THE EXTREMITY OF HEAVEN. A REAL-TIME STRATEGY NIGHTMARE.
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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A sci-fi Tower Defense game. Strategize to destroy waves of rogue robots and assist the powerful turrets with player controlled drone. Build and collect resources and help evacuate your crew from the alien planet.
Test your luck in an off-world colony where farming meets tower defense. Protect your homestead with randomized turrets while you fish for resources, complete quests, and grow crops while carefully selling them as prices shift each wave.
Co-op and Single player Tower Defense genre.
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.
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.
Includes 47 Steam achievements, leaderboards, and stats!
"SYNCHRONIZERS: UNDEAD MARINES" blends high-quality Three-Lane Tower Defense with Reverse Tower Defense gameplay. Command your units in a thrilling narrative reminiscent of a StarCraft and Plants Vs. Zombies fusion! Your choices will forge the path to victory—or defeat.
Atom Assault throws you into a chaotic Red vs Blue war where everything explodes, infantry fish for money, and you can even pilot nukes in first person. Full 3D, fully destructible world, fast, funny, proudly indie. If you miss old school RTS mayhem, this one hits hard.
You wake up in a gloomy room. Become the test subject of a shady software program that feeds on Tower Defense - Roguelike - Deckbuilder simulations.
Ifectra is a strategy game set in 2124 on the distant planet Emevera III, ruled by the Maxploit Corporation, where an epidemic of a yet unknown virus broke out. Your goal as the corporation security commander is to evacuate as many healthy people as possible and to eliminate infected individuals.
Expansion is a sci-fi Action RTS where deck-building strategy meets fast-paced VR duels — battle AI or challenge real players.
The Raiders are expanding their territory and have selected you as the operative to tackle the next acquisition. With powerful MECH technology and armies of battle BOTs at your command, you must conquer your enemies and expand the Raiders reach.
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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.
Defend humanity in IRON GUARD: Salvation. Build and upgrade turrets, support your heroes, and personally join the fight with your drone’s firepower against relentless machines.
A.I.Rising is a game about base building, attacking and defending and the life of NPCs in the digital world with the aim of creating a digital city.
Defend attacks from enemies from all directions within a limited time. Only by making full use of the differences in each tower and choosing appropriate random rewards can you survive.
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.
On planets occupied by robots, mine resources and escape while fending off their attacks! The Ark's survival is entirely in your hands. Many elite crews with abilities will assist you in your mission. The various turret modules are always doing their best to defend your base without your attention.
Battlefleet Gothic: Armada 2 is the new real-time strategy game adapted from Games Workshop’s famous tabletop game that portrays the epic space battles of the Warhammer 40,000 universe.
Rule the battlefield from orbit! Crystal Nexus: Alien Siege is a hybrid deckbuilding tower-defense game that puts you in charge of outposts on hostile alien planets. Look down on the battlefield from your space station and deploy towers, weapons, and buffs from the cards you’ve collected!
An RTS classic reborn with a twist. Time is of the essence, Commander! Capture the flags, conquer the territories, and eliminate the enemy fort. And finally, nuke them all! This old-school sci-fi Indie real time strategy game, crafted by devoted team, revives the genre's enduring allure.
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