Top similar games like IDUN - Frontline Survival:
IDUN - Frontline Survival $14.99
A defense RTS where you can move turrets at will. Extract resources, upgrade technology, and defend against enemy swarms in a gripping space campaign. Hold the line, set up your turrets, and brace for screen-filling hordes!
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Noble Fates$24.99
Harness your Demigod powers to lead a group from rags to riches in this 3D Fantasy Kingdom Management Sim with RPG elements. Command from the sky or take control in 3rd Person to BUILD, BATTLE, and RULE. Navigate a world of interesting Nobles, earn their respect, and decide their Fates.

BlackChain$4.99
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.

The Last Starship$24.99
The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!

Final Upgrade$19.99
Help humanity to spread throughout the cosmos by exploring new worlds, building space factories and setting up trade routes. Research advanced technologies to increase efficiency and unlock new paths of development. Fight off other artificial intelligences in your goal to reach the Final Upgrade!

Going Medieval$24.99
Build and manage your own castle settlement in a land reclaimed by wilderness. With detailed management, survival strategy, and a moddable sandbox world, Going Medieval challenges you to build the mightiest colony this side of the apocalypse.

Maia$24.99
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.

Worlds of NyxFREE
In the utopian world of Nyx, resources have become endless. This did lead the people into the agony of lazyness, and many died because of fatigue. To overcome this state, the government has introduced a new, rewarding gaming system to distribute resources.

Shallow Sea Roaming$7.99
Find the secret treasure and explore the secrets of this mysterious island,and there are a large number of enemies on the island.You need to use your courage and scientific knowledge to survive on this island,And find a way to leave this island!

The Last Drop$4.99
The Last Drop is a pixel art top-down shooter where you control the last water droplet on Earth. Battle waves of enemies with unique weapons, customize the map, and compete on the online leaderboard.

Goblins of Elderstone$24.99
This Goblin Tribe Simulator brings a challenging blend of chaos and creativity to the city-building genre. Build dwellings, manage your resources, defend your goblins, and grow your tribe to face other races and even the Gods! Do you have what it takes to control the chaos and rule the unruly?

Mercury Fallen$24.99
A sci-fi colony management sim with a focus on exploration, expansion, and survival. Rebuild your underground facility, manage colonists and robots, and uncover the mysteries of an alien world light-years from Earth. Dig deep, expand across the surface, and shape your new home.

Hell of Men : Blood Brothers$15.99
Hell of Men: Blood Brothers is a real-time strategy game, developed by one person, in which you will have to collect resources, build your base, train your army by choosing your soldiers wisely and fight.

Ship Regulus$7.99
In the first year of the ephemeris, the warp engine was invented. Due to the initial engine being too large, it was installed on the space city Regulus. During engine testing, the jump signal attracted an alien fleet, and the Ship Regulus embarked on a flight path.

Block Strategy$10.99
Block Strategy is an RTS Base Defence roguelite with a fully destructible world. Build your base and find fuel to power your reactor before you're overrun by an onslaught of enemy robots.

Element$11.99
Element is a realtime strategy space game for people who don't have time to play realtime strategy space games. Generate energy, mine element, build attack and defence units, and destroy the enemy while maintaining a balance between earth, air and water.

Beyond Hope$5.99
Beyond Hope gives you and your friends one epic space journey! Your mission alone or with friends is to save yourself from getting pulled into the hot Sun. Gather debris, scavenge asteroids and build your own space station. Reach for the stars and survive when all odds are against you!

Battle Jacked$9.99
Enter the simulation and experience a whimsical yet tactical combat and epic battles. Learn to fight, strategize, and manipulate the simulation to gain an advantage in battle. Do you have what it takes to fight zombies, knights, giant trolls, demons, space pirates and more?

Project Wunderwaffe$14.99
Project Wunderwaffe will take you back into the realities of World War II, the end of which seems to be near. Germany is now just a shadow of its power. Your order is to build a secret military base and construct weapons of unprecedented power. Will you be capable of turning the tide of war?

Fantasy battle islands$2.99
Let's go on an adventure on our little island. We capture enemy islands and increase our island. We place different types of troops on the island and fight with a stronger enemy.

MoveFort$2.99
Movefort is a movable tower defense game where you build your own fortress on a moving base. Use resources to upgrade and power up Towers.Each tower has unique upgrade effects. Try different combinations to find the most effective way to defend against enemies.

nStations$4.99
Construct and manage your colony anytime, anywhere, any device!!!!

Space Architect$9.99
Design your dream space station in Space Architect! Master the power of automation or 'hire' an army of crewmates to handle your ever-growing production. Mine asteroids, fabricate goods, and engage in interstellar trade to pay off the menacing Big Evil Corp. Will you thrive in the vastness of space?

Dungeon D14$1.99
You control a small colony in the underground of an unknown planet. Mine resources, build a base, explore the world and technology. Supply your colonists with oxygen, food and energy so that they can carry out their tasks.

Renaissance Kingdom Wars$24.99
The year is 1510. As wars rage across Europe, Africa, and the Middle East, it is the age of gunpowder and mercenaries - that changed the course of history. You can do it as well, going from a leader of men to the ruler of an empire in this unique mix of RTS and grand strategy.

ExoColony: Planet Survival$11.99
Space-colony simulation game. Guide generations of colonists, raise and educate them, manage resources, and ensure food supply. Maintain a breathable atmosphere, tackle pollution, and refine materials to build essential structures. Terraform planet and build ecosystem to make it your new home.

Cosmic Armada$9.99
A fleet combat and space exploration game. Pilot ships, control a fleet, build and upgrade colonies, mine resources, craft items, trade, upgrade your ships and fleet, carry out missions, board ships, destroy ships and get revenge on the empire that conquered your home planet.

Keplerth$14.99
Welcome to Keplerth! Try to survive on a hostile alien planet in this 2D sandbox RPG, where you can choose to live alone or fight side by side with your friends in the online multiplayer mode. Survive, build, farm, fight, and explore your way to victory in this open-world adventure!

Kingdoms Rise and Fall$14.99
Kingdoms Rise and Fall is a captivating Real-Time Strategy game that takes you on an epic journey through different eras, spanning the entirety of history and beyond! Kingdoms Rise & Fall focuses more on culture, science, and keeping your nation happy over time.

Cosmorists$9.99
You find yourself completely alone on a different yet very familiar looking planet. Explore the planet, craft tools, fight enemies, and build bases! Do science to learn new technologies that will allow interplanetary travel and better tools at your disposal!

Universal Combat CE$9.99
The ultimate space capital ship combat compendium is the evolution of hard core space combat sims. The only game of its kind currently in existence.

Interstellar Rift$19.99
Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!

Void Destroyer 2$9.99
Start with nothing... End with everything! All you have is a basic ship, barely fit for combat, with it you'll start your journey and empire. A open world space sandbox, inspired by and expanding the classics.

Warpips$16.99
Warpips is the ultimate quick to learn but amazingly deep tug-of-war strategy game. Deploy the right composition of soldiers, tanks, helicopters and planes in this tight, streamlined strategy-focused war game. Compose the best army, research the right tech; overwhelm your enemy!

Remains$6.99
Remains - survival in outer space orbiting the planet. Explore the area. Find a way to restore oxygen. Create tools for your needs. Beware of the dangers of outer space. Build your shelter in orbit and try not to die!

Spider-Robots War$2.99
This is a strategy game against artificial intelligence, in the style of science fiction

2089 - Space Divided$17.99
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.

Infindustry$16.99
A relaxing industry/factory builder where you build, manage, automate, optimize, and expand an industrial village by exploiting various resources to create items.

Steel Covenant 钢铁盟约FREE
"Steel Covenant" is a 3D real-time strategy game. The game is set against the backdrop of World War II. Players can transform into Allied or German commanders, commanding multiple units to participate in battles

Gemini Wars$9.99
Take control of a fleet commander returned from exile, rise through the ranks of the United Space Federation forces and join an epic war across the stars.

Mechs & Mercs: Black Talons$9.99
You are the commander of the Black Talons company, currently stationed in the Oberon system. After an eventful campaign, the military Tzanar Union has overrun the planet of Genai and blocked all departure from the system: leaving you and the Black Talons stranded.

Dust Fleet$19.99
Assume command of a battle fleet and deploy immediately to the Dust Zone, commander. Our main food supply station has gone dark and the United Earth Nations (UEN) needs to know why in this 4X RTS space sim. Manage your ships, control space stations, and watch your back.

Make Your Kingdom$14.99
Make Your Kingdom is a city-building game unique to its genre. Play as a founder of the settlement — help build your kingdom, carry the resources, talk to other settlers, motivate them and fight off hordes of orcs with your own sword!

Breakwaters: Crystal Tides$19.99
Survive in a world ravaged by massive Titans and an ever changing ocean sim. Displace water to find resources for building and crafting unique items. Swim, sail, and fly to explore new islands and fight Titans.

Craft In Abyss$9.99
Craft in Abyss is a tower defense rogue-lite game. It allow players to design their own mechanical fortress, gather resources and continuously strengthen the fortress facilities within a sci-fi world.

Space Station Tycoon$19.99
Create a thriving space station in a lost sector. Face thrilling challenges head-on, from pirate raids to asteroid impacts, as you lead your company to new heights.

Stranded$0.99
Test your imagination. build stuff, kill things, explore endless amounts of sea, cave and island. go into it blind and you just might find your way out This is a fun survival island based game where the player finds themselves in a terrible situation out on sea and wakes up on a mysterious island.

Amnon's Beginning$4.99
A battle that commends for the mind, will the mind be successful or unsuccessful in maintaining it's stability? Build your settlement and fight off the invader of this spiritual realm with real-time strategy.

Inno World$14.99
Inno World - interesting sandbox, there you can change landscape as you want.

Facteroids$14.99
Facteroids is a 3D factory building game about asteroid mining in space. Prospect, mine and manage your production lines in a variety of scenarios and procedurally generated worlds across the entire Solar system.

SpaceBlocc$2.99
Build your ship - go through obstacles - build a bigger ship - profit. SpaceBlocc is a short colorful minimalistic spaceship building game

Stardust Exile$19.99
Stardust Exile is an RTS set in the Milky Way galaxy, containing currently known stars and exoplanets with their real characteristics. The remaining star systems are procedurally generated. It has both online mode and single-player skirmish mode. The online server is persistent and single-shard.