Similar games

Games like Sirius Online

2015PC72 % positive

A PC space action shooter where you join one of two factions, fight alongside other players, and grow through ongoing progression, exploration and empire building.

Sci-fi setting
Playing together in co-op
Open world
Shooting and gunplay

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Where to buy

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In short: Games like Sirius Online

Each of these 10 games shares something of what makes Sirius Online special. The reasons are listed right on each game.

Best match

Star Wars Galaxies: An Empire Divided

90 %Match

2003PC

A classic Star Wars MMORPG where you build your own character without fixed classes, take up professions like trader or entertainer, and shape a living sandbox galaxy together with other players.

Where to buy

Instant Gaming* PC Price in shop Go to shop

* Affiliate link. Prices are synced regularly and may have changed in the shop since.

Similar games →

Empyrion: Galactic Survival

Co-op or multiplayer

A space sandbox survival game where you build your own ships, stations and planetary bases while exploring planets and deep space. Gathering resources, defending your bases and playing solo or with friends are at the core.

Star Citizen

Co-op or multiplayer

A sprawling, still-in-development space MMO where you fly seamlessly from planet surfaces into orbit to trade, fight, haul cargo or crew huge multi-person ships with friends. Its level of detail is astonishing, though bugs and rough edges come with the territory.

Starmade

Playing together in co-op

A sandbox space game where you build your own ships and stations from blocks, explore the void, and fight in combat, whether solo or on multiplayer servers.

Stars End

Co-op or multiplayer

A sci-fi survival sandbox on the wild frontier of a distant star system, where you gather resources, build and fight to survive. You can play solo or host your own server.

Perpetuum

Co-op or multiplayer

A single-server sandbox MMORPG where you pilot mechs, harvest an alien planet's resources and build power through trade, terraforming and infrastructure. The player-driven economy and fights over territory are at the core.

Avorion

Playing together in co-op

A procedurally generated space sandbox where you build modular ships block by block and push toward the galactic core as a trader, mercenary or explorer. Ship building and freedom of playstyle are the heart of the game.

Freelancer

Shooting and gunplay

A classic space action game where you fly as a mercenary through the Sirius sector, trading, taking missions and upgrading your ship while a conspiracy unfolds. Accessible dogfighting and a strong sense of freedom between stations and factions define it.

CryoFall

Playing together in co-op

A top-down 2D sci-fi survival sandbox on an alien planet, where players build bases, research technology, craft and compete for resources on persistent servers hosting up to 300 people.

Space Engineers

Playing together in co-op

A physics-driven space sandbox where you engineer ships, stations and rovers block by block, mine asteroids and watch your creations get realistically torn apart. Its huge creative and technical freedom shines brightest with friends in co-op.