Top similar games like Escape From The Red Planet:

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?

Autothysis is a first-person tower defense game where strategy meets precision. Deploy turrets, manage resources, and fight swarms of insectoid enemies. Target weak points to shatter foes while upgrading defenses to survive escalating waves. Can you withstand the oncoming horde?

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.

Defend your starship in this endless sci-fi tower defense game! Form your ultimate squad of 2D heroes, permanently upgrade your spaceship's hull and defenses, and unleash powerful ultimate abilities to survive relentless waves of cosmic alien invaders in the vast void.

A classic tower defense game set in space! Build and upgrade towers, defend your portal from waves of alien invaders, and outsmart evolving threats across handcrafted and procedural maps.

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.

Sanctum 2 is the sequel to the world’s first Tower Defense/FPS hybrid game. Pick from four unique character classes and embark on a mission to protect the oxygen-producing Cores from hordes of deadly aliens who are threatened by their existence.

Age of Axiom is an atmospheric incremental game that combines satisfying "number-goes-up" progression with an unraveling sci-fi mystery. 

Protect your village from Vikings, stopping powerful enemy waves by strategically building towers!

You think Tower Defense games are all about building? You thought wrong. Sanctum is not your average Tower Defense title. When the havoc starts, you get to join the fray! As one of the world’s first First Person Shooter - Tower Defense games, Sanctum has taken the best of both worlds to deliver an epic, one-of-a-kind experience.

This game features 3D modeling scenes and top-notch controls. Combining Buddha-style placement gameplay with tower defense, it challenges your strategy. Summon warriors, build towers, and establish defenses for exciting battles.

Save The Village is a medieval tower defense game where you strategically protect villages from waves of skeletons, goblins, and fearsome bosses. Build powerful towers and use magical abilities to fend off the invading forces!

Forever Donut, a game where you have to fight with time to survive next quarter, are you able to manage a three ways production line where your survival depends on your managing skills to handle unexpected situations, growing expectations and decision making.

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.

Rule the battlefield from orbit! Crystal Nexus: Alien Siege is a hybrid deckbuilding tower-defense game that puts you in charge of outposts on hostile alien planets. Look down on the battlefield from your space station and deploy towers, weapons, and buffs from the cards you’ve collected!

A light tower defense game with unique planet exploration. Defend against aliens, collect resources, and build a new home. Exquisite graphics and challenges await!

This is Xhono overwatch space station. Enemy forces are attacking. All kinds of turrets, space station supports and plugins at your disposal. Please use your resources wisely, build your defense, face against all kinds of enemies, and explore the unknown secrets of Xhono.

Build a small mining colony in deep space and defend it from alien invaders as you extract precious minerals from asteroids in Astro Mining.

A casual and strategy game where you will have to help a bunch of lazy and good for nothing people escape from a tropical island. To do this, you must discover the likes and skills of each character and assign them the most appropriate tasks.

Take this shoot to the moon! Help this space cat on their mission to the stars by fixing generators, dodging lasers, and keeping the last plant alive in Hydropawnics!

Run a market on your space station. Restore and upgrade the station, expand your services, and sell to a variety of alien customers. Experience the challenge of managing a business in space and growing your market

A first-person strategy game blending colony building, lane-based battles, tower defense, and action combat.

Terachain is a short incremental game about generating the largest possible chain reaction in a weird alien machine. What's the biggest reaction possible with a single click? Earn billions or trillions of points by increasing the attributes of these strange spinning pieces.

Year 2425, humanity colonized the exoplanet named SACH-041840. But then, in the 55th year "they" came; No one knows who or what controls them, but what is known is that if they reach the colony proper, it will be annihilated. It is up to you to bring the WRECKONING upon them!

The Echoes of Mars is a voxel-style tower defence game. Defend your research base on Mars from ancient creatures by strategically placing towers and using advanced tech.

Invader TD is a side scroller tower defense, where the player is in the role of an alien race with the purpose of infecting and dominating the earth, you must protect yourself from the attacks of the humans, who are trying to destroy you.

A short incremental game where you start as a microscopic organism and grow until you consume entire galaxies. Destroy enemies. Collect Mass. Upgrade 300+ skill nodes. Evolve from a microbe to planetary predator to something far beyond and discover what happens when there's nothing left to consume.

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.

Dungeon Keeper: Labyrinth Legacy is a dynamic tower defense. Develop your dungeon and create monsters to guard your territory against adventurers.

Competitive endless sci-fi tower defense game with global leaderboards where you strategically place and upgrade Glowbots to stop waves of enemies across vibrant space maps.

Start with a small hotdog stand and work your way up to owning a restaurant. Cook & build each order, build your reputation, buy perks, customize yourself & your apartment, hang out with your pets, and do it all with up to three friends on a shared map!

A text-based incremental idle game with a ridiculous amount of unique content. Automate old stuff as you unlock new stuff to keep things interesting for hours and hours, no spam clicking necessary! Trimps is everything you love about your favorite games, distilled to their purest form.

Build a space station. Command the tiny crew. Explore the galaxy. A meditative space strategy game.

Celestial Wardens is a sci-fi tower defense game where you command a lone spaceship to defend a planet under siege. Survive waves of enemies, build turrets, upgrade your ship, and manage your planet to prevent total annihilation.