Top similar games like Alien Marauder:

Loulan Kingdom blends survival city-building with real-time strategy. As the ruler of Loulan, build your city in a procedurally generated desert oasis, prosper through trade along the Silk Road, and fight with all you have to defend your kingdom until the very end.

A pixelated 2.5D RTS meets tower defense as you battle mutated ants in a short campaign. Build walls, place turrets, and hold the line to reclaim Earth's surface in this tactical fight for survival where placement of everything matters.

KOF is a magic background real-time strategy game, which is based on the method of dispatching troops to occupy the city, and combines the elements of resource collection, construction, upgrading, tower defense and so on.

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.

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.

Power the Unknown is a strategy game where you build a base on an unexplored planet and defend it from swarms of hostile bugs. Mine resources and generate enough energy to power your ever-growing base.

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.

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 our machine legion to conquer the world.

A sci-fi tower defense where you design enemy routes and build defenses on alien planets. Combine 16 weapons, hold off counterattacks, and advance through a four-planet campaign. Research new gear, face wall-breakers and bosses, or try Endless Mode, seeded expeditions and the map editor.

A real-time war of air defence and industry. Build the economy, bury it, and layer SAMs over what you cannot hide. Read a fading intel picture of the enemy base and aim every missile yourself. Break their will to fight before they break yours.

Build your base turn by turn on a hex world map, then drop into real-time battles against thousands of alien creatures. Command marines, robots and tanks, fortify the gates with turrets, and survive 50 days of an evolving swarm in this low-poly defense roguelike.

Co-op and Single player Tower Defense genre.

Take command of civil air defense under constant threat. Build radar networks, manage power and resources, and decide when to sound the sirens. Every choice has consequences. Hold your cities together as escalation turns survival into strategy.

Build the supply lines that keep your guns firing. Feed the Front is a sci-fi RTS where resources and ammunition fly between buildings. Mine small planets, automate logistics, and defend your expanding base against rival commanders and alien bugs.

An exciting sci-fi real-time strategy game. You are the leader of a band of elite Marines on a rescue mission; it is your job to secure the outpost and rescue lost miners. Aliens are running amok; it won't be easy...

Koloni is a city-building strategy game that puts you in charge of a group of pioneers who have discovered a new land to colonize. However, you're not alone in your quest to settle on this uncharted territory, as other groups have their sights set on the same land.

A hand-drawn survival tower defense on a hostile alien world. No fixed lanes — towers and ice walls reshape the swarm in real time. Command distinct frontline heroes, trigger ecological chain reactions, and defend the Purification Core across expanding battlefields.

Maia is a colony building game set in the not-so-distant future. Your colonists make planetfall on a hostile world and you must ensure their survival and their safety, constructing their off-world habitat from almost nothing and sheltering them from a dangerous, often deadly environment.

Build and defend a space colony where every unit of power and every crew assignment matters. Expand production, research new technologies, shape the battlefield with walls and weapons, and adapt your strategy against alien swarms across nine campaign operations.

Build an autonomous colony on a living procedural planet. Gather resources, command robots, expand your power grid, and defend the teleporter from an ecosystem that reacts to every step of your growth. Activate the link—or lose everything.

Reapers Inc., is a fast-paced RTS where you lead an elite squad to defend your base against relentless intergalactic threats. Navigate diverse planetary biomes, strategically manage your squad, and use quick decision-making skills to exterminate your foes. Stand your ground, and reap the rewards.

Build a sprawling base, power it with energy and alloy, and send hundreds of mechs, tanks and jets into one massive battle. Hide behind shield domes, research new technology, and when the time comes, launch the nukes. A sci-fi RTS fought until the last machine.

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

Upgrade and evolve, expand your territory, and build mighty defense towers to repel hordes of monsters.

Fight a relentless fluid enemy in this mix of tower defense and real-time strategy. Build your base, grow your forces, and unleash massive firepower to reclaim vast flooded worlds. Face Creeper types with different physics, deploy experimental technology, and create your own maps and units.

Aim, fire, and fortify. Shogun's Stand is a fast-paced tower defense where you take direct control of your castle against relentless waves of feudal enemies. Place traps, command the battlefield, and level up to survive!

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?

Grow out your defenses and defend against waves of invasive enemies. Manage resources, explore further out into the wilds, and strengthen your grove. Wild Growth TD combines tower defense with real time strategy and rogue-lite elements.

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!

Protect the base from an alien invasion. Place cannons and destroy the invaders. Upgrade cannons to resist the enemies.