Top similar games like Earth's Last Stand:

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

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.

Use your special ops units to construct base facilities and towers to protect them from the ever-increasing threat of alien invaders in this Tower Defense game with a city-building element! Research their weaknesses and develop defenses before mankind runs out of time.

SpaceFront is a military real-time strategy game. Control Corgis, wage battles, build your army and defend the galaxy from soviet invasion! No game will be the same thanks to procedurally generated campaigns! Join the effort, join the SpaceFront!

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

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

Lead the Mobile Infantry in this RTS game set in the Starship Troopers film universe. Balance your army composition with a diverse set of unit types, overcome line-of-sight and line-of-fire challenges through tactical positioning, and use special abilities to smash the Arachnid hordes!

Join our machine legion to conquer the world.

Sphere Invasion is Sci-Fi Tower Defence. Build your own road and defend it with 7 unique 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!

Save Our Solar System brings a fresh look on the tower defense genre. Shape the world around you with a lovable playable character. Harvest metal to upgrade towers. Collect rocket parts to advance to further planets. Fend off endless waves of asteroids.

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.

“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!

Millennium Conflict: a real-time strategy game set in space where you must act fast to stop attackers from conquering your universe. With 40 levels, weapon upgrades, and new generals to recruit, it's up to you as the only surviving male to lead your troops to victory.

Astra Sentinel is a wave-based survival RTS where endless alien hordes relentlessly assault your planets. Build defenses, colonize planets and manage resources under constant pressure. Will you be able to recover the control of the galaxy?

The hungry Gooper swarm threatens intergalactic peace. Stop them! Build towers around planets and take control over their orbits. Spin them with all you’ve attached! Collect new towers, powers and upgrades to beat the onslaught of goopers and save the galaxy in this colorful Tower Defense Roguelite!

Flaregate Network is a roguelike deckbuilder with RTS-inspired spaceship combat. Build a unique deck, then pilot it—and your fleet—to victory!

The Great Menace is an 'The war of the Worlds 1938' fictional aftermath as an 2D RTS game, after the fake radio drama in 1938, an alien force commences an invasion on Earth the following day, the 5 great powers: USA, Britain, Germany, Japan and USSR must endure the invasion force

Grey Galactic is a real time strategy game in space where you build up your planets and ships to conquer your enemies. Develop your empire and fleet of spaceships to destroy your enemies and take over the galaxy! Do you have what it takes to become the best Fleet Captain the UFMC has ever seen?

Co-op and Single player Tower Defense genre.

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. An RTS base builder with huge battles, constant production, and autonomous ships.

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!

Totally Defenceless is a wave-based tower defence game. You will need to protect your energy cores from the invading alien bugs by strategically constructing a maze of towers to alter their path to your advantage.

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?

A classic tower defense game with ordinary graphics didn't fascinate you? Well, let's give a try and see how long you can defend! Show your commanding skills and prove no enemy can break your defense! Be a hero and save humanity with the LAST DEFENSE!

"Times Of War" - A sci-fi tower defense strategy game with armored vehicles, tanks, choppers, planes, explosive action, and a lot of unique environments. Upgrade towers, earn Tech points, manage resources, and defend your base in epic battles. Get ready for intense warfare!

On planets occupied by robots, mine resources and escape while fending off their attacks! The Ark's survival is entirely in your hands. Many elite crews with abilities will assist you in your mission. The various turret modules are always doing their best to defend your base without your attention.

Ardent Seas blends modern naval combat with classical RTS gameplay. Featuring three unique factions, supporting a variety of playstyles.

Build and design the terrain while defending your stronghold against alien invasion in this unique Roguelike tower defense. Choose from 30 heroes, survive enemy waves, and upgrade a variety of destructive towers to hold the line!

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.

You are in command of the human fleet, searching for asteroids to mine, extract resources and build bases and more ships to defeat aliens invaders. This simple and short action RTS has a full and exciting campaign, and a skirmish mode that allows you to play a different mission on every match.

Free layout 3D tower defense war game. There are tanks and Titans on land, battleships and swarms in the sky, and missiles in space. In the face of the enemy, your weapons are not only machine guns, cannons, rockets, but also lasers, cruise missiles and interceptor satellites.

Frontier Control: Invasion is a Real-Time Strategy survival 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.