Top similar games like Cosmic Composer:

Before We Leave is a city building game set in a cozy corner of the universe. Nurture your Peeps and their surroundings while rebuilding and rediscovering civilisation. Settle new lands and planets while avoiding hungry Space Whales.

Curiosmos is a cozy space sim where you build your own solar system by hand, crafting planets, moons, gravity, atmosphere, and even life! Embark on a quest to discover the secrets of the universe!

Design the perfect automated defense system for the city in this physics-based game. Destroy the falling celestial objects with turrets, fire, lightning, portals, and more! Each level will challenge your ingenuity and creativity.

Equipped with cutting-edge salvaging tech, carve & slice spaceships to recover valuable materials. Upgrade your gear to take on more lucrative contracts and pay your billion credits debt to LYNX Corp!

Space Worthy is a survival game focused on building spaceships. You start on a primitive planet, with acient technology, and craft your way into stars! Dig in the ground, smelt metals, build machines, houses, vehicles and spaceships!

Do you enjoy playing around with the physics in games? Then this is the game for you. Stack Masters is built around exploring that concept in a competitive way. Including a built in level editor and Steam Workshop support, the game offers a never ending supply of physics sandbox gameplay to explore.

An orbital mashup of physics, puzzles, and business simulation! Navigate packages through a galaxy using gravity and tools like slingshots, mass drivers, and cannons. Create your own levels & share them with the world via Steam Workshop. The ultimate space delivery challenge awaits!

Real-time planetary collision sandbox powered by SPH physics: smash planets together and watch the destruction and its aftermath!

Colorgrid is a puzzle game about mixing colors in a Lab. Find the correct positions for your lasers and mirrors to get the right mix of colors in each material.

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

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.

Create and destroy on a scale you’ve never imagined!

A sci-fi settlement building game with orbital mechanics. Start from a spaceship, scan asteroids, manage fuel, ore, electricity, time, and sanity, while expanding your settlement, exploring an alien solar system, and building stations and spacecraft to support your growing colony.

The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.

Shape breathtaking worlds in Terra Firma 2, a vast simulation where your creations evolve through the forces of nature. Sculpt the land, then watch as weather, erosion, and life itself transform your world into a dynamic, living ecosystem- right down to every plant and creature.

Start as an asteroid, grow by absorbing other celestial bodies to become a planet, a star, and ultimately a black hole. Experience realistic gravity and orbital physics in an ever-evolving sandbox universe.

Sky Settlers is a minimalistic city building card game in which you build on islands in the sky and encounter different events, disasters and much more. Use different cards, complete quests and unlock new tiles as you progress.

Design, build, and optimize intricate, space-efficient factories in a unique grid-based puzzle system. Master complex supply chains and dominate a living interstellar economy to build your corporate empire. Conquer the cosmos alone or with friends.

Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.

In this puzzle-adventure, use an intuitive brick-by-brick building mechanic to solve puzzles and bring your creations to life! Experience a charming story as you explore beautiful LEGO® dioramas and help the people inhabiting them.

This cosmic walking drug enhancer doesn’t ask you for much, it just wants you to come as you are. Bring your favorite edibles, mushrooms, music, and Relax. Consider using it for meditation and reflection. A title perfect for those nights when you want to float off into space and forget about things.

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?

Survive in the skies of Venus with your floating colony as you balance buoyancy, mass, and altitude. Launch balloons and probes to explore the planet while harvesting resources from the atmosphere. Build up your colony and thrive in a simulation based on real science. Venus awaits.

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.

Use the Nimbatus Drone Creator to construct physically simulated drones and try them out in a virtual testing environment. Do you have what it takes to become a drone engineer?

Lonely House is a cozy little game about home decorating. It's just you, pleasant music, and a solitary building at a crossroads. Decorate it to your liking and forget about your troubles.

A rich and relaxing model-building simulator. Enjoy the meditative flow, meet fellow builders, and unwind to a soothing soundtrack as you build, pose, paint, and display your collection.

Explore the Solar System. Mine and drop asteroids. Colonize and terraform. Lead the space race and compete with other corporations on your way to profit. Watch the expansion of human race over the centuries.

Stellar Routes is a transportation management game set in space! Draw routes between planets and watch as ships transport aliens across the system. Buy, upgrade, and slingshot ships to ridiculous speeds to get these aliens home before they are cast adrift.

A family friendly casual game that teaches children about celestial bodies. Learn about the Sun, Earth, Jupiter, and the other celestial bodies that make up our Solar System. You or your child will also be able to create your own Solar System in a sleek and in-depth fashion!

In Network Engineer Simulator you are hired to do the unenviable job of cleaning up data closets. You will visit various locations from small closets to large data centers where you will need to untangle and organize these server racks and ensure various services are operational.

Welcome to Starlit Stories. Relax to calming music as you build and customize your dream campsite. Watch as travelers come and go, adding life to your tranquil retreat. There's no management or deadlines for you to meet. Just wind down and let your creativity flow in this cozy campsite builder.

Take over an abandoned space station and manage your own ore mine. Cut through the asteroid with your laser, sell ore, and create an automated network of robot helpers to maximize your profit.

Create music with factories! Aster Symphona allows you to mine, construct, and automate your way through 2D levels each acting as their own puzzle. Fly around space and listen to the sounds of your factory fade in and out as you pass overhead.

In Rollercoaster Mechanic, you save destroyed and broken funfairs. A small company, two brothers Leo and Noah, each with different skills and a great challenge: starting up broken rollercoasters and other attractions. Diagnose damage, repair, clean, test.

Nova Origin is a next-generation sci-fi city builder set on a mysterious alien planet. Build, expand, and survive as you establish a thriving colony, manage resources, and uncover the secrets of a hostile new world.