Top similar games like Circuit Defender:

Frontier Control: Invasion is a Real-Time Strategy defense game in which you play the commander of a human space colony under the attack of outer space robots. Build your base, train your colony, and fight herds of enemies and bosses.

Factory Defence - is a first-person shooter in which you build automated factories and defend them. Plan your factory and defensive structures to take the enemy by surprise. Explore and colonize the planet alone or with friends.

They're Coming! Get ready to defend your lovely Flower from invading insect! Prepare your Bug Spray, Call your Holo-Pet, Fortify base and don't forget your mission: Find the Watering-Can!

Build your towers, plan your efforts, watch out for changing paths and strike back against the alien invaders in this challenging tower defense game!

Take on the role of commander and protect Earth from the relentless Drone invasion in this exciting tower defense game. Strategize and strengthen your defenses by utilizing a variety of towers, abilities, and elemental upgrades. It's up to you to lead the charge and save humanity from destruction.

Tower Defense with resource- and base management! Waves of enemy robots with special abilities, shield and armor! Mining, refining and production for building and repairing! Environmental hazards and the best: the Orbital strike!

It's a story of an impossible fight for survival on a wild planet known as Giza. Gather unique Weapon Units. Enhance the firepower and production capacity of the Outpost fighting alongside you. This is an FTD game - featuring FPS, Tower Defense, Base Building, and much more all at once.

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?

Defender OF Falyndor is a First-Person Tower Defense game in Virtual Reality! Take control of your character, towers, and much more to protect Falyndor from waves of invasions to become the ultimate Defender of Falyndor!

Defend your world as sentient Props in Puropu Defense Squad! Build, upgrade, and evolve your heroes to crush waves of filthy humans worldwide. Dive into a unique mix of third-person action and tower defense—solo or with friends—in an endlessly replayable co-op campaign!

An open-ended factory management game with RTS and tower defense elements.

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!

Command a swarm of intelligent robots in their quest to save the world. Mine resources, manage, and defend multiple bases. Go on expeditions, fight in auto-battles, research new technologies, and create your army of golems to bring back the light.

Multiple levels, multiple weapons and enemies have their own characteristics, waiting for players to challenge.

In Hammer Knight, you'll face an army of machines powered by ancient technology, relying solely on your architectural skills and the engineering hammer in your hands to combat the onslaught of machines.

Build your world and defenses in this unique and dynamic VR action-survival building game. Players can choose to casually build and save their own worlds or fight waves of robots in their world or in one of the unique environments. Players can utilize blocks and weapons to fight off waves of robots.

Farm, Build, Defend, in the Galaxy's only Arcade-Tower-Defense.

Unite in a 1-4 player strategy game fusing tower defense with the thrill of controlling powerful BOTS. Deploy defenses, tweak tower loadout and tech tree. Amp up the party mode with friends. Attack, defend, build – your strategy, your call!

A self-built level tower defense game where you compete with friends and online players to see whose creativity is more popular. You control the game content, design the difficulty level, come create your own tower defense game!

A Mazing Tower Defense where you expand the map layout itself. 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.

Defend your base solo or with friends against endless waves of foes using your weapons and turrets. Are you up for the challenge?

Stop the escape of the infected automata in this Local Co-op Tower Defense First Person Shooter game for VR. Choose between playing solo or collaborating with a friend to build defensive structures and fight the Automata to avoid their escape.

Command Mobile Outpost and take XEN Firearm to venture deep into the Signet surveillance off-limit area. Collect unique Weapon Units. Amp up the firepower of the Outpost that fights with you. This is an FTD game - FPS, Tower Defense, Base Building and much more all at the same time.

Tendrils and Plates is an Open World Sci-Fi Space Survival Shooter RPG under development by a solo indie developer. You begin in a scout starship and learn to survive in a hostile solar system. Build your base and take on missions in space and on numerous ground locations.

Survive and ultimately escape a foreign world using your creativity to assemble defenses with physics-based building.

In The Line TD, you decide your path and you survive! Plan your strategy, carve your own path, choose your difficulty and survive the longest!

Become the commander of a mighty army of fearsome battledroids, and watch them fight in epic battles of mass destruction. Create your defences and test their strength, or send your forces to crush those of your friends and enemies online!

Hostile Mars is a Factory-Building game focused on Combat! Explore an open world and discover new tech, unlocking powerful weapons and structures. Create efficient supply chains using delivery bots. Salvage destroyed enemies for resources. Design your base to withstand increasing waves of enemies!

Build towers and learn abilities to defend against swarms of hundreds of on-screen hostile alien creatures. Choose between sets of randomized upgrades that both upgrade you and the alien swarm. From enormous explosions to far-reaching flamethrowers, no two games are the same.

Tower Defense game - where you build units to destroy incoming waves of monsters or....not succeed trying :)

In Kingdom Two Crowns, players must work in the brand-new solo or co-op campaign mode to build their kingdom and secure it from the threat of the Greed. Experience new technology, units, enemies, mounts, and secrets in the next evolution of the award-winning micro strategy franchise!

you will play as Gaia, the shattered will of a planet, and command your spaceship to explore new worlds, collect and refine various resources, build a home on the damaged spacecraft, summon a wide range of monsters, and ultimately, devour other shattered wills to repair yourself.

Project VTS is a real-time TD game. You'll need to build your defence around your base and defend against different enemies from all directions in various terrains of the alien planet.Use your turrets, obstacles, power supply, resource facillities to defend your base.

Hive and Seek is a side-scrolling strategy base-building game where you clear randomly generated Roguelike stations infested with monsters. By rallying robots and clearing rooms, you will be able to destroy hives and recapture the station piece by piece.

IT HAS GONE ROGUE You are sent to an hostile Space-Station with the mission to stop an AI-Super-Computer that has gone rogue!