Sirius similar games & best alternatives
Should you play it?
Sirius Online is a unique, easy to play Space Action Shooter with ongoing progression. Join the Ranks of the Terran Reclaim Forces or the Sirius Colonial Council today and fight for your Faction! Explore forgotten battlefields, find Treasures, create an empire and rule the universe!
What works
- Free to play classic version available
- Active and dedicated developer
- Large explorable space
- Fluid ship controls
- Potential for growth
Things to keep in mind
- Very early access with limited content
- Small and declining player base
- Bugs and ui issues
- Lack of tutorial and guidance
- Server instability and abandonment
What to play next
Similar games, hidden gems, and fresh directions from this game.
Top picks
Games that feel the closest overall
Hidden Gems
Less popular games with surprisingly high similarity
If you liked…
Recommendations by what you enjoyed most
Similarity map
Explore nearby similar games and see why they’re close.
Sirius: Less representative of its motivational profile, with noticeable differences. Motivations that often define this kind of title include Violence, Fantasy, Story, Thrill. Here, the score leans higher than usual among comparable games on Cooperation, Fellowship, Violence.
Why this game works
A motivational profile of the game, with the closest similar game for each player motivation.
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Autonomy
Game with the same Autonomy vibe
4"Players freely choose ships, planets, and trading strategies, allowing personal decision-making and control."
Gazillionaire
"Players can explore space freely, choose ships, and decide their own goals such as mining, combat, or exploration."
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Competence
Game with the same Competence vibe
2"Game offers a moderate challenge with skill-based flying and shooting, especially on higher difficulties, but overall gameplay is simple and repetitive."
Combat Wings: Battle of Britain
"Game involves skillful flying and combat, but currently limited content and some repetitive tasks reduce challenge."
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Competition
Game with the same Competition vibe
1"Some PvP elements exist but are limited and controversial; majority of players focus on personal progression and cooperative play."
Project 5: Sightseer
"Some PvP elements exist, but player base is small and competition is limited."
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Continuation
Game with the same Continuation vibe
3"Many players report habitual play and long sessions despite early access state, indicating strong desire to continue playing."
Assetto Corsa EVO
"Players report long sessions exploring and mining, with some habitual play despite early access state."
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Cooperation
Game with the same Cooperation vibe
2"Some multiplayer cooperation possible but limited; mostly players focus on individual nation management."
Making History: The Calm & the Storm
"Some multiplayer interaction and faction formation mentioned, but limited player numbers reduce cooperation."
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Creativity
Game with the same Creativity vibe
-2"Gameplay follows a fixed structure with limited customization; no evidence of building or creative modification."
BEARS, VODKA, BALALAIKA! 🐻
"No evidence of building or customization; gameplay follows existing structures like mining and combat."
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Domination
Game with the same Domination vibe
-3"Community described as friendly and supportive; no reports of toxic or dominating behavior."
OverDrift Festival
"Community described as supportive and respectful; no reports of toxic or dominating behavior."
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Escapism
Game with the same Escapism vibe
4"Players use the game as a distraction and immersive space adventure to escape real life stresses."
Space Pirates and Zombies
"Players use the game as a space exploration and distraction experience, escaping real life."
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Expectation
Game with the same Expectation vibe
-4"Players engage voluntarily out of interest and support for indie devs, not obligation."
The Salesman
"Players engage voluntarily out of interest and support for the developer, not obligation."
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Experimenting
Game with the same Experimenting vibe
3"Players explore various game modes, tactics, and tricks, experimenting with gameplay mechanics."
Soccer Online: Ball 3D
"Players explore unknown space, test mechanics, and discover gameplay on their own."
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Exploration
Game with the same Exploration vibe
5"Core gameplay revolves around discovering planets, asteroids, and lore in a massive solar system."
Rodina
"Core gameplay involves discovering new asteroid belts, stations, and space areas."
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Expression
Game with the same Expression vibe
-3"Limited visual customization; ships have fixed designs and no cosmetic personalization."
Final Theory
"No character or ship customization reported; mostly standard ship models and UI."
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Fantasy
Game with the same Fantasy vibe
3"Set in a sci-fi space combat universe with imaginative factions and ships, providing a fictional thematic experience."
Star Realms
"Set in a sci-fi space universe with fictional ships and space combat."
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Fellowship
Game with the same Fellowship vibe
2"Small but active community with social interaction, friend-making, and cooperative play."
Blockstorm
"Small but passionate community with some social interaction and group activities."
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Growth
Game with the same Growth vibe
3"Players learn combat combos and puzzle solving; some skill development noted."
Raji: Prologue
"Players learn controls, mining, combat, and navigation; some skill development noted."
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Health
Game with the same Health vibe
-5"No physical activity involved; sedentary gameplay."
Human Fall Flat
"No physical activity involved; sedentary gameplay."
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Idle
Game with the same Idle vibe
2"Some waiting and AFK time during manufacturing processes, but overall requires player attention during mining."
Astronomics
"Some mining involves waiting or passive play, but also requires attention during combat and navigation."
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Intimacy
Game with the same Intimacy vibe
-2"Social interactions mostly casual and surface-level; no evidence of deep emotional or intimate connections."
Riders Republic
"Social interactions exist but mostly casual and surface-level; no evidence of close relationships."
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LeadershipInsufficient data
No nearest game available
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Progression
Game with the same Progression vibe
3"Players accumulate points, unlock ship upgrades, and improve scores over time."
Vecter
"Players accumulate credits, buy ships, and upgrade cargo capacity."
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Relaxation
Game with the same Relaxation vibe
2"Some players find the game relaxing and enjoyable, though others note frustration with difficulty and bugs."
College Bowl
"Some players find the game relaxing and enjoyable despite bugs and early access state."
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Sensation
Game with the same Sensation vibe
1"Simple visuals and sound provide mild sensory enjoyment; not highly stimulating."
Masterplan Tycoon
"Visuals and sound are basic but provide some sensory enjoyment; not highly stimulating."
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Status
Game with the same Status vibe
-2"Small community with limited social recognition; no emphasis on popularity or visibility."
Military Conflict: Vietnam
"Small community with limited social recognition or status systems."
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Story
Game with the same Story vibe
-3"No strong narrative or lore; gameplay is mostly context-free survival and combat."
Deadside
"No strong narrative or lore engagement; gameplay is mostly context-free activities."
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Strategy
Game with the same Strategy vibe
2"Some tactical combat and resource management; puzzles and planning involved but not highly complex."
Garden Story
"Some tactical combat and resource management involved, but limited complexity currently."
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Thrill
Game with the same Thrill vibe
2"Combat and exploration provide moments of excitement and suspense, though generally controlled and not high-risk."
Hogwarts Legacy
"Combat and exploration provide some excitement and risk, though limited by early content."
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Value
Game with the same Value vibe
4"Players feel they get good entertainment value for the low price."
Ostrich Island
"Players feel the low price and ongoing development provide good value for money."
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Violence
Game with the same Violence vibe
1"Combat against pirates and creatures is present but not the main focus."
Cubic Odyssey
"Combat against pirates and other players exists but is not the sole focus."
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Survival
Game with the same Survival vibe
1"Players avoid death and manage resources, but no harsh penalties or survival mechanics."
Kitaria Fables
"Players avoid death and manage resources, but consequences of death are mild."
Last update: 01/06/2026