Top similar games like Periphery Online:

PlanetX is a real-time strategy MMO set on a spherical planet. Players expand territories, construct buildings, and manage resources to develop their empire. The ultimate goal is to conquer the entire planet by claiming all land plots and outpacing rivals in strategic growth and domination.

Embark on a military strategy 4X RTS game, in a world where your battle tactics and your massive army are the keys to victory. Instant War delivers an amazing battlefield experience in a realistic military game. As a commander, you develop your military base and lead your army to victory!

「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a better colony together. Develop powerful technologies for Mars Reshaping, make Mars great agai..sorry, just great. Don't forget to make the residents happy.

Lead your civilization in a galaxy brimming with life and intrigue. Seamlessly explore and expand across uncharted worlds, from their surfaces to the stars. Forge your destiny in this sci-fi 4X offering a unique blend of grand strategy, planetary city-building, and RTS combat.

A large scale sci-fi strategy MMO where players build multi colony empires, manage complex industrial economies, forge powerful alliances and wage war for dominance across a persistent galactic battlefield.

An exceptional sci-fi strategy game based on space adventure as its core.

This is the story about the beginning of the conquest of outer space by earthlings. It began as a global idea of saving mankind from hunger and lack of resources, and ended as a brutal and merciless war in space far from Earth.

Outscape is everything you love about traditional strategy games, but places your empire within a vast online galaxy alongside other real players. Outscape rewards skillful long-term strategic gameplay with a brilliantly refreshing new take on the 4X genre.

Project Sol is a Sci-Fi colony sim set in the future when you civilization is just beginning to reach for the stars. Take control of your Empire, build massive orbital satellites, defend from roving pirates, and conquer the galaxy!

Become the ruler of the entire Galaxy: colonize planets, extract resources, build defenses and fight in planetary battles!

In Anno 2205™, you join humankind‘s next step into the future with the promise to build a better tomorrow. You conquer Earth, establishing rich, bustling cities and grand industrial complexes, but to secure the prosperity of your people, you must travel into space.

Become the dominant star-fairing-civilization throughout the procedurally generated star systems. The player must establish/pursue: (1) Ideology; (2) Population; (3) Military assets; (4) 4x dominance (5) Technologies; (6) Artificial Evolution; (7) Cyber attacks; (8) Peace or war.

Ascendance is a real-time space strategy game that sees you lead your civilisation into a vast and mysterious galaxy. Experience an immersive journey with detailed civilisations, deeply-simulated economies, internal politics, nuanced diplomacy, and intense space battles.

Base of War is a next generation 4x RTS game.

Choose your ship, gather resources, build weapons, and upgrade. Colonize planets, protect your mothership, and destroy enemies in strategic combat. A multiplayer RTS roguelike with turn-based battles!

Get ready to protect the entire solar system from an unprecedented threat - the D'Ahari, a race of insect-like aliens. Control an entire fleet of spaceships, trade with other races of an Alliance, and develop your own space station.

Ender’s Game meets Battleship in fast-paced 3D RTS!

Stardust Exile is an RTS set in the Milky Way galaxy, containing currently known stars and exoplanets with their real characteristics. The remaining star systems are procedurally generated. It has both online mode and single-player skirmish mode. The online server is persistent and single-shard.

MMO Real-time strategy star game.

Indie 4X space strategy game with TB empire management and RTS combat set in a 3D star cluster. Build an interstellar empire by colonizing and conquering star systems, develop your colonies establish trade routes and construct fleets from a range of retrofittable capital & escort class vessels.

Space 4X game with the ability to build factories, extract resources, with characters, internal and external markets ... Take part in the discussion of the game, share your vision)

Claim your title as Shogun, Highland King, Northern Tsar or Desert Sultan and join this genre-redefining strategy game where you will wage constant war for real territorial conquest! Fortify your castle, fuel a massive army, and enter the ultimate fight for realm domination!

Build your base, command your army, and wage real-time PvP war on a living conquest map. Clear a frontier of monsters and alien UFOs, join a faction, team up with friends, and climb the seasonal ranks. A classic base-building RTS with modern military firepower, ad-free on desktop.

Build up a Space Empire and establish control of the Galaxy and the Universe! Nova Empire is a multiplayer space game in which the aim is to build your empire and conquer the galaxy in epic space battles against your rivals with other allies worldwide!

For the Stars invites you to explore and settle a vast universe of diverse planets, each with its own unique wonders and mysteries to uncover. Conquer the challenges of hostile biomes, forge alliances, and build a legacy that spans the galaxy.

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.

Embark on a journey to explore & expand your nation through the early ages of antiquity. Lead it to exploit the lands and exterminate those who oppose you! This ambitious 4X/Grand Strategy game incorporates immersive city-building with RTS elements to the fray!

Engage in real-time battles with customizable space warships. Explore the galaxy, forge alliances, develop powerful ships, and defeat alien invaders.

Get the complete GalCiv II saga including Galactic Civilizations II: Dread Lords, the expansion pack Dark Avatar, and the newest expansion pack Twilight of the Arnor!

Station Commander is an economy strategy game that has you take control of a futuristic space station. Your goal is to build ships, gather resources, and trade with neighboring planets to upgrade your station and ships. Upgrading your station gives you access to better ships and ship abilities.

Andromeda is a hybrid between a space 4X and an MMO for Android and PC. Get dropped into an online universe sandbox with 2 galaxies full of planets to colonize. Build structures like Mines to generate resources to build ships and engage in fleet battles with NPCs and other players.

Veyrasol is a real-time MMO strategy game set in the Veyra Spiral galaxy. Build colonies, command fleets, forge alliances, and battle for dominance across ~120-day seasons in this free-to-play browser-born strategy experience.

Powerplay is an RTS with a focus on resources and industry. Create supply chains, transport, and explore in this thrilling base builder. Grow into a powerful industrial nation, but don't spread too thin! Resources are finite and "the others" can reclaim what is theirs at any time.

You are in command of the human fleet, searching for asteroids to mine, extract resources and build bases and more ships to defeat aliens invaders. This simple and short action RTS has a full and exciting campaign, and a skirmish mode that allows you to play a different mission on every match.

Lead humanity's first deep survey beyond Sol in a research-first space strategy game. Explore star systems, investigate worlds, deploy probes, and turn scientific discoveries into strategic power.

Technology, Magic, and Immortals collide in a universe torn apart by endless aggression. War is total; even the laws of existence are erased. Lead your fleets to invade worlds across the stars. Your goal is simple: Expand. Conquer. Destroy. Supports LAN & Online Multiplayer (PvP & Co-op).