Top similar games like Keep Them Sleeping:

Supply energy to many spaceships in this small, chill resource and time management game, inspired by Overcooked. A Cooked-Like, if you will!

Build your own galactic empire and lead it to dominance across the cosmos. Develop technology, manage your fleet, colonize planets, and engage in turn-based battles. Every decision shapes your path to victory in a dynamic sci-fi strategy game.

Commanding a starship, you’ll trade goods across the galaxy, evade cosmic threats, and grow your trading empire. Do you have what it takes to outmaneuver rivals and become a trading legend? Take command of your destiny in Epic Space Trader, your journey to the stars begins now!

A single-player 2D top-down pixel game with space physics. Mine asteroids in the middle of an asteroid field using manual controls or by directing mining drones. Protect the outpost, buy from trading ships, mine as much ore as you can and survive as long as possible! Do you have what it takes?

During a 96,000 km journey, you must manage power, secure resources, and survive. But… you may not be alone out here. A top-down, system- and story-driven exploration game. It is based on the opening chapter of a future sequel. It aims to deliver a unique and experimental gameplay system.

Fast-paced gameplay, rainbow colours and snappy animations all come together to give you a retro arcade-feel game with renewed graphics and avatars. There's a variety of different modes for you to choose from, and different skins to unlock and leaderboards for you to show off to your friends!

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?

Create mini planets and civilizations. Let them flourish, or let them fall - literally. The choice is yours, Doctor Planet.

A story-driven incremental game with idle and auto-battler mechanics, inspired by Factorio logistics, Path of Exile itemization, and Eve Online's economy

Asteroid Mining Empire is a sci-fi mining progression game where you harvest asteroid fields, earn credits, unlock upgrades, expand your ship and drone systems, and push toward powerful long-term rebirth progression as your small operation grows into a space industry.

Prepare for your unexpected enrollment into the Startenders Academy. Your goal is to create bizarre beverages for colourful customers in the hope that no one notices you haven’t the slightest clue what’s going on.

An idle incremental adventure in space! Mine asteroids while fighting off enemy AI drones. Build your own AI drones, mining lasers, helper drones and more. Collect hundreds of rewards and unlock a variety of features that will help your ultimate goal: making numbers go up (or sometimes down).

Super Cosmolite is an endless runner with realistic space physics. Take control of a tiny spaceship to dodge, bounce, and smash your way through asteroids. Pause at any time to plan your trajectory or just hurtle along like a maniac. Outrun the Nova Wave and chase your next high score!

Run your own supermarket in outer space. Keep shelves stocked and nicely organized. Supply your store with drone delivery. Will you take the duty of running a space supermarket?

Take control of The System. Master multiple interlocking power sources to build a singular, planetary engine in this narrative idle game. Features a fully voiced story, minimalist UI, and cross-platform play. The old world must fall for The System to rise.

This sci-fi adventure brings you to command stations in the far corners of space. Casually make decisions and watch how well you can balance the needs of your station.

A management simulator in which you must produce fuel from dangerous bacteria and algae in a laboratory on Mars. The bacteria can kill you. You have a few days to leave Mars, as a storm is coming. Manage the fuel that also powers the elevator and energy generators.

Build your interstellar empire. Colonize planets, mine resources, grow your population and defend your worlds against enemy attacks. A deep space strategy experience.

A lightweight desktop room app set in your own corner of a space station. Decorate an isometric room, play music, manage notes and tasks, and spend time with friends.

Expand among the stars! It is 72k years in the future, and a new wave of Human expansion abounds. Join the ranks of the Ecxos, prep star systems for habitation, and develop your tools and ships to enterprise ever faster and further.

Future Fab Hero, your mission begins now! Team up with your robot companion, CHIP-E, to complete hands-on technology and manufacturing simulations, earn rewards, unlock upgrades, and defend the Mars Innovation Zone from alien threats in a unique educational adventure.

Pilot a lone UFO in this cozy idle desktop game that lives in the corner of your screen. Discover randomly generated planets, extract rare resources, uncover strange artifacts, and build your collection one world at a time.

This is a 2D Pixel Top-Down Space Shooter Game. The game implemented Rogue-Lite elements, like the survivor series.

Delivering coffee shots...in space! Fast-paced cosmic mixture between Tower defense and Matchmaking, in an always unpredictable universe full of quirky customers from the entire galaxy. Brace yourself for a caffeinated journey like no other!

You're the only one on shift at the observatory. Monitor signals, fix system failures, handle multiple alerts as things begin to spiral out of control. Come for the absurd cows, stay for the soundtrack. Each shift lasts 15 minutes and is designed to complete in a single intense session (30-60min).

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.

The technologically advanced humanity starts looking for other planets to conquer. Now that the Earth is depleted of its resources, we're looking for them elsewhere. The Universe is open for us now - and it cannot hide any secrets. So how will you conquer it?

Start with one machine. Scale to a galaxy-supplying coffee empire. Hire 33 alien workers, survive Rush Hour chaos every 8 minutes, and boss-fight your way to prestige resets that unlock permanent upgrades. Free to play. No paywalls.

Velocity-driven arcade action!

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.

Beltlife: Prospector is a GUI-based "hard" sci-fi business/work sim with economy simulation and RPG elements. Your focus is on maintaining your ship's systems and your health while prospecting for asteroid claims to auction on simulated markets.

Astero Inc. is a space mining simulation game where players will travel to a dystopian future in a tense competition for asteroid mining rights throughout the universe. Take on the role of a small business owner in an all-out fight against the mighty Black Corp.

Orbital Checkpoint is a sci-fi border control simulator. Check alien documents, scan suspicious luggage, detect contraband, and manage your tight budget on station GSA-42. Regulations change daily, but bills for oxygen and coffee always arrive on time. Will you risk letting the Acid Lemons pass?

Bean Base is a survival base building farming game where you are solely responsible for your very own space station. Grow crops, explore the stars, and decorate your base; however you want to, survive the elements of space.

Master physics in one compelling physics puzzle after another. Aim the launcher and adjust its power, using your understanding of gravity wells to correctly plot their courses in a variety of challenges. Complete a light-hearted story and then test yourself in the endless Expeditions mode.