Top similar games like Accretion:

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!!!

Magnet Mania 3D, it's a simulation game for small and big engineers, school children to learn about magnetism and physics.

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. Steam, iOS & Android.

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.

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!

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.

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.

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.

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

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.

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 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.

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.

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!

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.

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.

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.

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 and exploration sandbox

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.

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.

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.

Build spacecraft with a realistic part-based editor and fight multiplayer orbital wars using Keplerian, Newtonian, and patched-conics flight. Engage with lasers, railguns, missiles, and EW in fast, decisive battles shaped by strategy and logistics.

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.

After a century in cryosleep you find yourself stranded amidst the ruins of mankind’s first interstellar colony. Explore derelict ships and stations and harvest raw resources in search of air, fuel and other equipment. Or loot and pillage what you need from other survivors. The choice is yours!

Edge of Galaxy is a space strategy and management game focused on fleet control, expansion, and survival at the frontier of a hostile sci-fi universe.

Design computational circuits which defy restrictions of our universe in this open-ended puzzle. Your completed creations become components to solve future challenges. As you design a circuit and can place your design within it, where there is a smaller you doing the same, and so on to infinity.

Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters.

Fight in space or on the planets, or just travel the universe. Visit cities and buildings, mine resources, trade with or speak to individuals on the planets. Explore and discover. Buy a new ship, fit upgrades, and hire a whole army of crew!

Defend the core from cosmic annihilation. Build massive orbital megastructures, summon heavy gunships, or physically grab meteors and crush alien swarms with your bare mouse. Deep progression, 4 game modes, and absolute chaos.