Top similar games like Space Outpost Sigma:

Velocity-driven arcade action!

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.

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

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!

Fly real astrodynamics from an Apollo-era DSKY. Plan Lambert transfers, mine asteroids, build a fleet, and survive a 38-body solar system where every trajectory is solved from Kepler's equation. No autopilot, no cheating.

You are a Scraponaut, create your own spaceplane with unique parts each affecting the way your plane behaves. Collect scrap while exploring procedurally generated islands, unlock and discover unique new parts to upgrade your spaceplane.

Explore the cosmos with your furry friend and collect antimatter to open portals to different celestial worlds. Use gravity and momentum to navigate through planets, asteroids, and comets while avoiding black holes and space debris.

Dynamic abstract sandbox universe. Changes and evolves as you do.

Beautiful pixel art space roguelite autobattler where your ship fights for you. Upgrade your ship, collect loot, stack wild synergies, and become ridiculously overpowered.

Bounce your pickaxe and smash through asteroids in this futuristic mining incremental! Explore a massive tech tree, discover gravitational anomalies, and deliver resources back to Earth. Upgrade and explore space to discover what secrets it holds!

With limited fuel and several dangers lurking, use your skills to rescue astronauts trapped in various unique places on the strange planet. It won't be an easy rescue.

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.

You are a pilot, seeking revenge on your deceitful father who threw you into unknown space. Can you find your way back and get revenge? Experience a mix of 2D topdown space adventure and explore planets to discover quests, negotiate trades, mine, hunt and survive in an expanding universe.

Enter the ambient world of Osmos: elegant, physics-based gameplay, dreamlike visuals, and a minimalist, electronic soundtrack. Your objective is to grow by absorbing other motes. Propel yourself by ejecting matter behind you. But be wise: ejecting matter also shrinks you. Relax - good things come to those who wait.

Deliver packages... in space! Test your agility by navigating through different galaxies carrying diverse packages and upgrade your ship. Will you become the best courier in the universe?

Low Earth Orbit Adventures is a chill space sim set in the near future where the space around Earth has become a frontier of science, commerce and diplomacy. Retrieve the Hubble, rescue astronauts, assemble space stations and many other missions in this realistic but friendly adventure.

Mesmerizing incremental idle clicker game about space. When objects collide, you receive matter. Use this matter to unlock and upgrade objects in your star system. Use powerful Abilities. Dive into the Prestige system (Warp) with a wide Skill Tree, and discover new star systems with new bonuses.

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.

Pilot the last vessel of a fallen civilization into the vast expanse of space. Collect resources and search for a new world to call home in this minimalist space exploration and survival game.

Smash asteroids. Collect ore. Fight enemies. Buy upgrades. Come back stronger!

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!

Detached is a suspenseful interstellar duel that demands tactics and skill to survive. Separated from your unit you must make smart decisions and race to safety in this visceral exploration of deep space. Strap yourself into your spacesuit for thrilling gameplay designed for VR headsets.

A single-tower defense game. Engine failure has made our ship stationary. Shoot down the bugger fleet and collect their fragments to upgrade your weapons, then use rare drops for permanent upgrades between runs. Unlock special weapons and deploy defenders to face down endless waves of alien ships.

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.

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!

Gravity Game is a puzzle-style infinite physics simulation. You are tasked with escaping your home planet, and reaching the goal at another! This game uses real Newtonian Physics in a simple 2D simulation, as a way to help people visually understand the mechanics. 

Become a space mining astronaut in this chill rogue-lite mining game. Explore, mine and complete objectives while unlocking and upgrading your equipment along the way.

Flight of Nova is a simulator based on newtonian mechanics in which you control spacecraft in the Noren star system. You fly multiple types of spacecraft doing transport and search missions in an environment with realistic aerodynamics and orbital 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.

Mine the stars. Build your empire. CONSUME THE GALAXY. Astrodescent is a 2D space-mining adventure where you dig through worlds, harvest rare materials, and upgrade your gear to unstoppable levels

Deep Space Exploitation is a space mining game featuring 2D physics, fully destructible asteroids, and a story of survival under an exploitative corporation. Use your equipment wisely, upgrade your ship, and make difficult decisions to secure your future!

In GravBoost, gravity is your greatest ally and your deadliest foe. Master the art of the gravitational slingshot to intercept orbital targets. Manage your fuel and time wisely in this physics-driven space sim where precision is the only way to survive the cosmic pull.

Explore a unique, procedurally generated galaxy filled with alien artifacts and resources to extract and exploit. Mine asteroids, harvest nebula, pilot unique ships and find new and strange things in the void between stars as you struggle to survive long enough to find another home.

A 2D space agency simulator where every object follows the same orbital physics. Land on moons, build colonies, deploy satellites, and reshape entire planetary systems. Deorbit a moon if you want.

Harvest crystallized time from parallel universes where people waste their lives playing idle games. Build extractors, automate logistics networks, and research new technology to fuel Bill Tyme's time machine in this factory-building incremental game.

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.