Top similar games like Accretion:

/You are the captain! Pull yourself together and get us out of here... sir!/ — gather EXPARTS, advance weapons, master space flight, and rain metal onto your enemies in this physics-driven space sim roguelike where playing chicken with asteroids is just as dangerous as enemy fire.

This is a simple simulator that simulates the formation of life through simple physical rules. Here, you can define different balls with physical properties, let them affect each other, and then form something similar to life. !!! If you want to restart, click the settings button and click Play!!!

Guardian Above the Domes is a real-time artillery game built around realistic orbital mechanics. Bombard the enemy from a lone space station, defend the last domed cities on an airless planet, and uncover its lost history alongside a cat-shaped AI.

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.

Experience the thrill of live space operations by controlling various Research, Experimental, and Demonstration (RED) spacecraft to accomplish real world tasking. The first mission is SpaceCowboy ADR (Active Debris Remediation). Clean up dangerous debris to earn ADR bucks and refuel to stay alive.

A real-time space strategy MMO where your colony keeps working, your fleets keep moving, and the galaxy remembers every choice. Travel in real time, watch every battle resolve, raid and ally across one living galaxy that resets every 6 months. Free to play. No pay-to-win, ever.

A deep-space traffic control roguelite. Route ships, scan contraband, and fight escalating threats—from smugglers to warlords to phase-jumping aliens—while keeping one remote station alive. One bad call and your hull pays the price.

Take part in a space program. Design spacecrafts and send them off to explore the vast expanses of space. Experience the real scale of the Solar system and the size of its celestial bodies.

Draw on a planet and watch physics answer. A climate, ocean and erosion simulator you can edit with a brush — dry the Mediterranean, green the Sahara, stall the Atlantic conveyor. 38 scenarios across the Solar System, Cretaceous Earth and five real exoplanet systems.

Set off into space on your personal spaceship and rescue all the lost catstronauts! Navigate through flying obstacles while managing fuel and health. Don’t forget to watch your ship’s weight — it affects your maneuverability. Enjoy a relaxing gameplay experience with pixel art and cozy cosmic vibes!

In this RTS game, control your virus to replicate and evolve against a powerful immune system. Equip gene segments to create unique viral armies. Use tactics to eliminate immune cells or achieve escape. Develop strategies for domination and enjoy endless strategic fun!

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.

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.

Play a realistic firefighting simulator. Pilot helicopters and drive fire trucks solo, battling flames under tough weather. Refill water tanks, aim carefully, and protect cities, forests, and people while unlocking new vehicles and facing harder missions.

A rocket simulation game inspired by SpaceX's rocket recovery technology: Precisely control rocket engines, plan launches, complete missions, secure government funding, deliver supplies to Mars, and ultimately achieve Mars terraforming and human colonization.

Star Defence is a unit-placement real-time tower defense game in which you can place any unit you like on a 2D free-form plane. All units in the game, including enemies, are composed of units you place. Place your units in a balance between enemies and allies to develop your civilization.

Force and Motion is a physics puzzle game where you apply your knowledge of real physics to solve puzzles in the game.

Stack blocks into a defence and let the attackers wear themselves out ricocheting through it. Survive fifteen waves, then switch sides and break into the layout you just built. Bank what you earn, unlock new shapes and cards, and run it again.

An easy to use, fully adjustable space lab with Einstein's special relativity equations in a three-spacecraft configuration. Play around with time dilation and relativistic Doppler effects in space at your own pace. Multiple viewpoints in 3D, real-time, with data export functionality.

Control your aerial and ground units using Real-Time-Strategy, OR switch during battle and join your comrades yourself in high-action dogfights and ground battles in Novastride. Dominate enemy civilizations throughout the galaxy and be the great strategist to lead your nation to victory.

In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.

Spaceslingers is a mind-bending gravity-based game, where the only obstacles between you and your goal are the most powerful celestial objects in the known universe!

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

Rionag: Survey Fleet is a top-down starship builder and logistics game where it's your job to balance the needs of the crews with cutting-edge equipment on board. Unlock tech that adds new capabilities for your ships to go through hazardous environments, enabling you to explore new worlds.

GeoLight is an endlessly replayable arena roguelite action-packed experience with tight, responsive controls and a focus on high-stakes decision-making. You are not just surviving. You are evolving.

Design massive ships, bristling with weapons, on a macro scale. Engage in fleet-vs-fleet battles, featuring many different tactics. Play alone or in Coop combat missions, or form two teams of players (each with own fleet) to fight in an arena.

Gravity Slugger is an arcade-style wave defense game where you use gravity and orbital mechanics to fling projectiles at attacking enemy spaceships. Dodge enemies, gather salvage, and upgrade your skills with chaotic and deadly abilities in this physics-based 2D game.

Gravity and exploration sandbox

Operate the Starship space launch system and learn how to catch a rocket to understand what it takes to colonize Mars in this ever-evolving simulation of SpaceX Starbase Texas.

Launch the Voyager space probe to the furthest depths of the Solar System! Use gravity to slingshot around planets and scan, orbit, or land on targets to earn stunning replays of your accomplishments.

Explore a galaxy of 300 systems as you control your fleet in a top-down 3D style, navigating through Star-lanes, Warp gates, and Black holes. Customize and upgrade your fleet, complete missions, trade, hire your crew, wage war and determine the fate of the galaxy in this grand sim saga.

A falling-block puzzle fueled by real chemistry. Let's play fire, play water, play every element in the universe!

Aye Aye Captain is a game about crewing a ship on the high seas of the 1500 and 1600s. You'll have to manage a crew, provide them with consistent booty, rum, and fight off mutinies all while pillaging vessels of royal navies, other pirates, and trading companies.

This game is very easy and very difficult. It is both simple and complex. It is a simple hardcore spatial logic puzzle game. NP->P? Find your way!

Remnant Humanity is a real-time (with pause) salvage game where you type commands to guide your crew through procedurally generated derelict wrecks while trying to help remnant colonies survive.

A physics-based mining sim, set in the thickest debris field in Sol. Every action has a reaction, lasers are invisible without a medium, and your thrust is a potent weapon. Find trade, adapt your equipment to your playstyle, hire a crew to help. Unravel the mysteries of the rings, or just get rich.