Top similar games like Horizon 1990:

Eternal Space is a city builder and space exploration/combat game. Explore the Eternal Space, and manage your city while you fight pirates, or maybe even become a pirate! Keep your citizens happy, and collect taxes from them each year for a little bonus!

A 2D Tower Defense Survival game inspired by Brazilian folklore. Expand your territory, rescue animals to build your defenses, and use Boitatá's abilities to fight waves of invaders in battles that combine strategy, action, and territory management.

Until We Die is a side-scrolling strategy game about defending your base where you have to run around as Ivan, assign tasks to people, and fight mutants in the post-apocalyptic subway!

It's the year 5781 -- and you have been chosen to build and lead a space station in a wild corner of the galaxy! Attract visitors and explore hundreds of planets to fund your station.

Guide a group of space settlers trying to establish a base on a remote planet. Grow food, collect energy, mine resources, survive disasters and build a self-sufficient colony in a harsh and unforgiving environment.

Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.

Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.

Kingdom is a 2D sidescrolling strategy/resource management hybrid with a minimalist feel wrapped in a beautiful, modern pixel art aesthetic.

A colony sim set on a starship. Build and manage a spacefaring civilisation, balance oxygen, power, and crew survival, and guide your ship through the final escape from Earth.

You are on the run. Build stations in hostile systems, gather what resources you can, and jump away before you are overwhelmed. Your ships are slowly failing, but the Swarm is relentless, hungry, and on your heels. Can you survive long enough to secure a future for humanity?

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.

A game of base building and colony simulation in a world where night is permanent. Survive, build, explore, repel enemy raids and tend to the needs of your workers and your king.

Defend your castle from the attacks of the night creatures. Collect coins, interact with the elements of the game, discover, explore, learn and survive for 30 days or try again.

Build your spaceship, manage your crew, and explore the cosmos whilst trying to keep your crew alive and your ship fully functioning. This challenging survival colony sim features deep simulated ship systems and a whole universe to explore.

Astro World is a side-scrolling co-op game where the players will have to build their colony on a planet full of danger, valuable resources and alien artifacts, using which the player can explore new technologies and equipment to arm their colonists with.

Blend of planet system exploration, discovery, real time space combat, together with player needing to maintain and upgrade his space ship to overcome numerous obstacles. An experience quite unlike other games in its genre.

A space colony survival sim. Build a station room by room, lay the wires, pipes and ducts that carry power, water and air, and keep a crew fed, rested and sane. Build it how you like and keep it running.

Design, build and control your own space station. Mission command and control is in your hands and only careful planning and vigilant supervision will keep your crew and space station safe.

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.

This version is only the prologue of the full game. The game supports 1-4 players. Build you homelands in Sanctree, using resources to craft weapons and equipment to fend off underground insects. Dig deeper to explore new worlds, destroy insect nests, and build new defenses to face greater threats.

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.

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?

Guide pioneering settlers among Venusian clouds in this space colonisation city builder. Grow food, collect energy, mine resources, balance buoyancy and weight to stay afloat in the treacherous Venusian atmosphere, and build a self-sufficient colony while navigating storms and acidic clouds.

You are dead. But your ghostly hand still commands. Hellcrown is a roguelite strategy game where every run unfolds into a chain of random stories, sieges, and consequences.

Starfall Protocol is a Starship colony sim with RPG adventures in a galaxy with millions of explorable planets!🌌

Action adventure strategy game with tower defense, in a fantasy world, use your own combat skills, weapons, and the power of your partners to survive. Face the ultimate fate with your unique combat style.

Run an evil asteroid base in the void. Dig, claim, and build your lair, summon entities through Warp Rifts, and repel the Vanguard raids hammering your Void Core — while MALACHAR, your AI narrator, judges your every move.

Repair your spaceship, explore mysterious planets, battle strange creatures, and survive in this sci-fi sandbox RPG where every journey becomes a new adventure.

Build your camp in the freezing cold and make tough choices. Capture walls to expand your borders and send your men to explore. Risk it all for vital resources, as surviving the relentless waves of the Diseased emerging from the dark will be harder than you think.

In the distant future, the X universe faces a period of profound and irrevocable change. While the universe stumbles towards an uncertain future, countless adventures await as new enemies rise in search of power.

Hostile Mars is a factory-building game focused on combat! Explore an open world and discover new tech to unlock powerful weapons and structures. Create efficient supply chains using delivery bots. Salvage destroyed enemies for resources. Design your base to withstand increasing waves of enemies!

NecroCity: Prologue is just part of the gameplay that awaits you in the full version of the game. Take on the role of the young Prince of Undead, trying to prove himself in the world of the Undead Kingdom. Push back the hordes of monsters and build your fortress! 🔥

CyberHive is a strategic space travel simulator with a non-linear story, in the cosmic opera setting, and in an anime visual style.

Control two characters simultaneously! Survive, gather, collect upgrades, fight all sizes of one-eyed Martians, build defensible outposts and conquer Mars, in this glorious mix between roguelite and tower defense.

Keep a train full of survivors alive as it crosses a wasteland ruled by machine beasts. Build rooms inside each car, care for 16 personality types and their stress, send scouts into the ruins, and see how far you can go before the line breaks.