Top similar games like Ad Astra: Sci-Fi Tower Defense:

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!

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.

There is only one rule in the Wild West, the rule of the gun. Lead a fistful of Yankee soldiers on a mission to bring order to this chaotic frontier, facing desperados, robber barons, and more in a spaghetti western RTS adventure like no other.

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.

Be the ultimate CEO and military strategist in this genre fusion of strategy and business management. Create your own company, hire employees, research weapon technology, and take control of units on the battlefield to defend the moon against an alien invasion. Aliens down, profits up!

Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all.

TD Tactics is a combination of Tower Defense and Auto Battler genres. Use your cards to cast spells, combine and upgrade towers, and make use of different synergies to defeat your enemies.

Fast-paced space RTS with 10-25 minute matches. Command fleets, conquer systems, or research the Singularity. Simple controls, strategic depth, but no 3-hour commitments required.

A minimalist game about fighting for freedom and independence in the United States of America!

A survival RTS game where you defend your village against relentless waves of Norse mythological creatures. Build defenses, train warriors, and gather resources to survive as long as possible. If your Town Hall falls, it's game over. How long will you last?

Cyberwinter is an isometric action strategy game. On a distant planet with a harsh climate, you have to fight legions of dangerous monsters for a new home for humanity. Build bases, develop and defend them.

Use projectile-based towers, unique tower interactions, and overpowered weapons to strategically conquer the endless waves in this 3rd-person tower defense game!

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?

Star Pulse: The War is an independent real-time strategy game that merges science fiction with fantasy. Players will command a sci-fi faction, harnessing the power of star pulse to gather resources, construct buildings, train troops, and nurture heroes in the fight against invading magical forces.

A classic single-player RTS set in a Solar System ruled by megacorporations. Journey from Mars all the way to Planet 9 and uncover the secrets of the BlackChain.

A real-time strategy combat game based on the world of the Line Of Defense. Command a team of four Galactic Command marines in highly classified missions in space and on planets.

Build up your fortifications, place your cannons, and fire at the enemy forces! Improve your Battle Haven with powerful upgrades while playing through a story campaign comprised of dozens of scenarios with unique mission types and multiple boss fights! Take to the sky and win!

A classic RTS with modern look - Crimson Freedom is a gripping real-time strategy game featuring three thrilling campaigns. Set on 22nd-century Mars, the game follows the epic struggle of ideologies battling for supremacy over the red planet.

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?

Uncrewed 2 is a real-time strategy game that lets the player design units from the ground up. Wheels, treads, walker legs, and rocket engines - the game offers a variety of propulsion options, as well as the ability to craft your own weapons.

What if MOBAs and RTS games had a baby? Rover Wars combines resource management, farming, building and strategy into an intense tug of war. Fight in an interplanetary campaign and challenge your friends in the configurable Battle Mode. Rover Wars might be your gateway ticket into the strategy genre.

Hardlight is a stylized, sci-fi tower defense game in which you must defend against dark, enigmatic invaders. Strategize your defense by lighting up the world so that you can detect and destroy waves of enemies.

Build your defense base to repel alien invaders. Atahion is a strategy and tactical defense game in which you have to extract resources, build defense towers and use bonuses to complete the mission.

From the plains in the Pampas to the most hostile places in the untamed Patagonia: Manage your own frontier outpost, build new structures, train soldiers, and survive relentless attacks from the enemy.

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.

It’s time for revenge! Lead the army of dogs to victory in this strategic Tower Defense where managing your towers will be essential. Rebuild the Village to unlock and upgrade ever more powerful turrets! Are you up to the challenge that awaits you?

Rage of Towers delivers a unique hybrid experience where tower defense meets real-time control. Build and upgrade your towers and directly control turrets and mobile units to respond quickly to evolving enemy threats and turn the tide of battle

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.

A VR strategy game where you are big, powerful and in control. Command your forces to build, defend, and destroy.

AT THE LIMITS OF EARTH, AT THE EXTREMITY OF HEAVEN. A REAL-TIME STRATEGY NIGHTMARE.

In a stone-age like war, stuck on a lush, isolated island, its down to you to command your tribe to conquer and colonize the island by any means! Tribes offers skirmish, multiplayer and a full campaign mode for you to experience with friends or alone!!!

2089 - Space Divided is a classic science fiction real-time strategy game in which you collect resources, build up your base, train troops and destroy your opponents with tactical skill.

Defend your tower for as long as you can from the aliens invading your space! Level up, earn money and new units, and strategically place them in the grid!

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.