Top similar games like Hexfall: Planetary Defense:

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

A unique 3D tower defense game set on randomly generated planets! Place towers to defend against 360-degree attacks, protect mining outposts, and survive intense meteor waves. Earn resources, and face endless replayability with dynamic challenges every playthrough!

Hold the line in a neon sci-fi siege. Deploy and upgrade 15 distinct towers, expose every enemy's weakness, and survive 50 escalating waves and relentless boss assaults. Every threat has a counter — find it before your base falls.

A classic sci-fi tower defense game filled with waves of robots in full 3D. Get rewarded with automatic mini upgrades for well placed towers. As you make progress, unlock even more upgrades for your towers by building factories. Can you unlock the legendary golden tower?

Astro Industry Wars is a lighthearted take on the RTS genre featuring distinct unit types, base building, economic production chains, and customizable unit rosters.

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?

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.

Build and lead a colony on the surface of an endless Wall. Manage resources and your people, develop new technologies, defend against relentless zyrex attacks, and send robo-spiders on risky expeditions. Keep the colony from collapsing – in Wall World, it's easy to fall.

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.

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 by day. Defend by night. Command a flock of chickens in a tactical tower-defense survival game where every bird has a job. Gather resources, hatch and recruit stronger chickens, customize weapons and targeting, and outsmart predators with tricks of their own.

Defend the energy cores from ever increasing enemy waves by destroying their spawn gates. Build tower mazes on Hex grid. Adapt them to dynamic changes in the terrain. Face quirky bosses. Design your own levels and share them on the Steam Workshop.

A tower defense unlike anything you have played: the enemies are living numbers, your towers are geometric shapes, and countless projectiles fill the screen. Merge shapes, master seven elements, and lead a crew of astronauts that builds, mines and collects while you hold the line.

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.

Exostation is a sci-fi real-time strategy game. Reach sustainable planet economies by building, allocating, mining, and selling wisely. Allow humanity to spread and conquer new solar systems not by war but by ensuring its planet's resources are not exhausted.

Strategy by day, tactical tower defense by night. Build a bunny colony, manage resources, and defend against nightly monster attacks in this mix of city building and tower defense. Help your bunnies escape to the stars before the darkness destroys everything.

You are on the run. Build stations in hostile systems, gather what resources you can, and jump away before you are overwhelmed. Your ships are slowly failing, but the Swarm is relentless, hungry, and on your heels. Can you survive long enough to secure a future for humanity?

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.

Expand the map with tiles, harvest its bounties, and trade them at settlements to gain victory points. Embark on quests and discover treasure, all whilst avoiding being raided by other ships.

Hextalia is a hex-based strategic Tower Defense where you get maximum control over the board. Build pillars to shape the paths of your enemies, experiment with endless build combinations, and discover different levels-each comes with its own unique challenge.

Before We Leave is a city building game set in a cozy corner of the universe. Nurture your Peeps and their surroundings while rebuilding and rediscovering civilisation. Settle new lands and planets while avoiding hungry Space Whales.

A tower defense game with RTS elements about gathering cheese in space, where mobile carriers are able to deploy smaller spacecraft. Collect cheese to buy and upgrade spaceships and use each type to customize your playstyle and defend your base!

Build your spaceship, Gargantua. Establish industries, shape the free market, trade between planets, and defend your wealth. A single mistake can collapse supply chains and trigger interstellar economic crises. Remember, war is money.

Planet S is a real-time strategy game where your goal is to colonize multiple planets in a solar system to advance your civilization, build a city and supply it to grow your faction.

Multiplayer Tower Defense Game - Send out units and defend against enemy units in this Arena RTS with up to 32 players

A rogue-like sci-fi Tower Defense strategy game with infinite replayability!

Hell has gone CORPORATE! DemonCorp's evil executives force demons into eternal overtime. Armed with the powerful DOOMTRAIN, unionize Hell and free the demon workers. Build a medieval steampunk town, upgrade your train and turrets, unionize demon workers, and defeat DemonCorp's corporate overlords!

You play as a robot colonizer that has been sent out to an alien planet with one goal. Harvest its resources and send them back home. To accomplish this you must build a base on the planet. But the native inhabitants of the planet won’t sit idly by as you strip their world of its 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.

Defend the furnace from waves of goblins by building and upgrading in an FPS tower defense.

Defend your Nexus by placing mirrors and buildings on the path of your projectiles. Deflect, empower, manage and solve each map using your creative and strategic mind.

Resource management without micro-management! Build, defend, and optimize your ever-growing industrial colony in a dynamic hex-tile world. Buy low, sell high to expand and upgrade your base. Even your enemies are a resource to be exploited. Profit waits for no one!

Design and drop your droids to fight, build, and conquer. Mine resources and outlast the relentless swarm to claim the planet.

Build. Defend. Survive. Expand. A sci-fi base-building game on a hostile alien world. Gather resources, build a sprawling high-tech colony, and defend against relentless alien threats—then unlock new planets, new challenges, and the secrets of humanity’s last frontier.

A Roguelike Tower Defense game set on a user controlled procedurally generated island. Select unique cards and relics that enhance your towers abilities, crafting powerful builds to defend against the growing hordes of enemies.