Top similar games like JusTD:

Heart of Machine blends top-down tower defense with light roguelite elements. Face an evolving mechanical swarm thousands strong, tailor defenses, upgrade towers with chips, and use real-time support weapons to turn the tide. Build an unbreakable line and save the core from destruction.

On a forgotten world, confront a malevolent machine intelligence. Extract minerals, build factories, power up the railguns, and arm the missile batteries. Defend the Fortress Omega against the alloyed nightmare.

Co-op and Single player Tower Defense genre.

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.

Classic Tower Defense meets space exploration. Build turrets on mining platforms, harvest enemies to build more defenses, and mine Dark Energy to travel the stars. As a sentient AI, you must upgrade your tech, scan planets, and find a new home for humanity before Earth fades away.

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

Loop Defense is a single-player sci-fi tower defense game. Build enemy routes with base walls, assemble a modular defense, manage limited loadouts, energy, and research, face armored, flying, carrier, and wall-breaker units across a star map, or challenge Endless Mode.

A sci-fi low-poly tower defense game. Design your defense against waves of aliens using a wide arsenal of different towers.

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!

Adapt, strategize, and dominate your rivals in this multiplayer roguelite tower defense brawler. Upgrade towers, wield powerful items, and outlast the madness to become the last Guardian standing!

Join our machine legion to conquer the world.

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.

Defend Rome's frontier in a strategic tower defense campaign. Build and upgrade specialized defenses, manage your gold, adapt to enemy formations, and hold the line across challenging handcrafted battlefields.

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?

Hexfall is a planet-scale tower defense game where over 100,000 enemies attack at once. Mine the crust, wire the power and arm a hex world against an armada that fills the sky long before it comes down.

Galactic Garrison is a sci-fi, turn-based tower defense game where you defend your base from relentless alien waves on Mars. Deploy soldiers, build barricades, and upgrade defenses to withstand attacks. Earn powerful reward cards to gain strategic advantages and outmaneuver your enemies.

Mineral Defense combines tower defense with roguelite elements and procedural generation. Build paths, unlock upgrades, and unleash powerful synergies to conquer evolving challenges in an ever-expanding world.

A planetary tower defense where enemies attack across land, air, and space. Build layered defenses, manage resources, and survive an escalating alien invasion.

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.

Build sprawling defensive networks of high-tech turrets and logistics systems to repel massive enemy swarms! Take direct control of your turrets and utilize powerful support powers to repel the invasion!

A game in the genre of management strategy. Here you can build your own factory for the production of robots, and on another planet, and extract resources and test robots on other different planets.

A sci-fi mining and base-building game where efficient mining is the key to survival. Gather crystals, expand your colony, upgrade your defenses, and withstand increasingly dangerous nightly attacks.

Synergize rune traits to give your towers powerful new abilities in this roguelite tower defense! Collect perks, relics, and items you can equip to your towers for unique builds each run!

A grand and intense tower defense science fiction game, where you only need to purchase once to enjoy all the content of the game.

Prepare for an epic battle in this captivating tower defense game! Build, defend, and triumph as you strategically place towers, manage resources, and upgrade your arsenal to fend off relentless waves of enemies.

Your turrets don't fire themselves. A tower defense clicker where every shot is yours to take. Build defenses, manage your island economy, and send pollution crashing into the enemy island before they bury you.

Circuit Defense is a grid-based tower defense game. Build power lines, connect functional modules, and energize your turrets to create a high-efficiency network. Master your layout and optimize module synergies to survive the relentless enemy swarm.

TEP the destroyer is a single player tower defense game where you will face alien monsters and ships in ground and space battles! Your strategy will decide the fate of your people in a sci-fi environment of varying difficulties!

"Slime Warfare" is a rogue tower defense game with a variety of gameplay and placement.Slimes are weak monsters and always bullied by humans. Players will play the role of the Slime Queen to build structures to defend against adventurers' attacks and strengthen themselves.

Valdis est un hybride dynamique tower defense et third-person shooter en univers sci-fi. Défendez le noyau énergétique d’une station spatiale contre des vagues de zombies, combinez tourelles et éléments, déclenchez des réactions dévastatrices et survivez avec votre fusil à pompe !

“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!

Refactor is a hard-core tower defense game that combines modular building, route planning, and element composition.

An RTS base builder with huge battles, constant production, and autonomous ships. The Spance approaches, a vast and mysterious storm at the edge of humanity. Who shall claim its riches? Brave the perils of the depths in a story-rich singleplayer campaign with numerous distinct factions and bosses.

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.