Top similar games like NebuLeet:

Lazy Galaxy 2 is an idle/clicker game with base-building and RTS elements. Lead an evil (albeit lazy) alien race to conquer the universe! Expand your base, fight vicious foes, and conquer the galaxies. Acquire combat experience and convert into candy, the most precious alien resource!

The Final Earth 2 is a vertical sci-fi city builder. Earth is unlivable, so you decide to create a space colony. Gather resources, then build and research your way to a better future! Grow your city from an exploration ship to a huge metropolis, full of advanced technology. What will you build?

NANOVOID is a 2D tactical space shooter that puts you in command of your own modular spaceship. Engage in intense, physics-driven battles, strategize with ship customization, and outsmart your enemies

Get the complete GalCiv II saga including Galactic Civilizations II: Dread Lords, the expansion pack Dark Avatar, and the newest expansion pack Twilight of the Arnor!

A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.

Stake your claim in this colony building sim and survive a turbulent Medieval age. Construct a multi-storey fortress in a land reclaimed by wilderness, defend against raids, and keep your villagers happy as their lives are shaped by the world around them.

Webcraft is a claw machine mixed with open world crafting game in space. Catch resources floating by, craft and expand your base from a single square!

Explore a fantasy ocean-punk world, braving the deep with steam-powered marvels. Discover mysterious underwater treasures, but scarcity and ecological crises test survival. Rise, build, confront foes in this pixel-art ocean survival journey!

Design, build and manage your very own spacecraft. Explore unlimited amounts of randomly generated universes, travel through wormholes, do missions, survive cosmic events, collect and trade materials, win epic bossfights and many, many more things to do. The sky is the limit. Literally.

Fight till you can't then fight some more! A space combat simulator with survival crafting elements.

Strategy from the front lines! Starpoint Gemini Warlords combines 3rd person capital spaceship combat with 4X strategy and RPG gameplay elements. Build mighty war fleets and send them into battle or lead them into combat yourself. Become the Warlord and conquer the Gemini system!

This is a rogue-like top-down shooter where you control a spaceship that is sent out to explore the caves on the Moon. Once you enter the caves, you find out that there are enemies. It is up to you to survive against them while also trying to find the path down to the next level of the caves.

Damn aliens! The choice is: the Universe — or nothing!

Build your way to success! Trade your way to the top! Explore your way to infamy! Do it all your way!

Tendrils and Plates is an Open World Sci-Fi Space Survival Shooter RPG under development by a solo indie developer. You begin in a scout starship and learn to survive in a hostile solar system. Build your base and take on missions in space and on numerous ground locations.

Take command of humanity’s last survivors and rebuild an empire in the stars. In this immersive turn-based strategy game, you will have to fight to protect your people, control rival factions, and unlock lost technology.

Delve into 'The Continuum', a stealth-action platformer intertwined with resource management, set in an interstellar war. You will utilize high -tech alien gadgets, and strategic planning to rescue allies, disrupt an almighty enemy Hivemind, and manage your resources as you navigate the cosmos.

Become the commander of a mighty army of fearsome battledroids, and watch them fight in epic battles of mass destruction. Create your defences and test their strength, or send your forces to crush those of your friends and enemies online!

Caught in a time loop, your band of resistance fighters is humanity’s last hope. Real-time exploration meets turn-based tactics and roguelite strategy as you learn new abilities, seek out new weapons, and develop new techniques to overcome the mysterious alien threat.

Galactic Garrison is a sci-fi, turn-based tower defense game where you defend your base from relentless alien waves on Mars. Deploy soldiers, build barricades, and upgrade defenses to withstand attacks. Earn powerful reward cards to gain strategic advantages and outmaneuver your enemies.

Noble Armada: Lost Worlds is a moddable real-time strategy PC title based on the Noble Armada miniatures game. Set in the Fading Suns Universe, where the suns themselves are dying, humanity battles to revive its lost greatness, or just take what is left.

The Red Planet is at war. Lead either Capital’s corporate army or Labor’s worker revolutionaries and wage war across a vast strategic map, then assume direct control in turn-based tactical battles featuring artillery, vehicles, and fully-destructible environments.

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.

Lead a rebellion against tyranny in this open-world, survival sci-fi RPG game. Utilize alien technology to explore, build bases, craft, and farm. Prepare for an unequal combat to rescue humanity from tyranny and a mysterious deadly virus.

In Outer Space, you play either alone or with others as a stranded astronaut who needs to repair his spaceship in order to escape from this planet. You can explore space, complete missions, or settle on a planet.

Take the helm of a state-of-the-art warship as you fight epic space battles in a sandbox campaign. Upgrade and customize your ship, master the art of maneuvering, and use a blend of tactical prowess and heavy firepower to overcome deadly threats.

Shadow Empire is a deep turn-based 4X wargame with a unique blend of military focus, procedurally generated content and role-playing features.

Galactic Command Echo Squad SE is a high-end and very challenging space/planetary combat game. It offers a thrilling campaign, instant action combat sessions as well as a sandbox mode allowing you to explore the game's universe while battling hostile Insurgent forces among others.

Architect autonomous battleships. Send them on a campaign against deadly opponents. Watch and cheer as they dominate, or cry as they explode. Obliterate dreadnoughts. Configure intelligences. Master weaponry. Free the Great Skies. THE OPPRESSOR MUST FALL.

Discover a whole new world with Mars City Builder! Construct roads, erect buildings customize the city and take care of its safety. After all, you are the first Martian settler and this is a vast, unknown land. Develop it in any way you please!

Conquer a vast procedurally generated star system in Falling Frontier, a sci-fi RTS where intel and logistics are decisive factors. Design ships and raid enemy supply lines, lay minefields and construct recon stations, and ambush enemy forces within asteroid fields and nebulae.

Who needs backstory? Who needs resource-gathering? Diplomacy is so last year. Gratuitous Space Battles cuts right to the chase of sci-fi strategy games, and deals with large, completely unjustified space battles between huge opposing space fleets.

From a small 2-man team comes a unique space station management sim. Take on the role of an A.I commanding a lost space ark. Try not to let your crew run amok and wreck the place.

An alien world sometimes needs a farmer’s touch to bring it to life. In this sci-fi, colonization-life sim, terraform a barren world: turn wastelands into verdant landscapes while exploring, farming, building, and unlocking all the mysteries of this strange new planet.

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.