Games like Sirius on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Sirius are available at the bottom of the page.
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Parkan 2
Parkan II is an original concept game that will allow you to feel as a pilot of a spacecraft lost somewhere in the universe. Become a pirate or mercenary, get money to buy the most powerful cruiser and show them all who is to be the new master of the galaxy. Unforgettable adventures in the Parkan II universe await you!
Infinity: Battlescape
Infinity: Battlescape is a multiplayer space combat sim supporting hundreds of players on a single server. Join one of the corporate factions and fight for domination of a seamless, true-to-scale procedural star system. Participate in massive space and planetary battles involving hundreds of ships.
Starship EVO
Create the Starship of your dreams, explore the vast expanse of the galaxy, land on planets and jump into epic space battles. Experience a truly unique and powerful building engine where your imagination is the limit. Welcome to the next evolution in Space Sandbox gaming!
Between the Stars
Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.
Darkstar One
Darkstar One offers a fantastic amount of freedom of choice. The story-based missions gradually lead you deeper into the galaxy to new races, new technologies and ever stronger opponents. Explore a vast array of solar systems in search of hidden artifacts of ancient races, essential objects for upgrading your ship--the Darkstar One.
SPORE™ Galactic Adventures
Take Your Creature From Zero To Galactic HeroGet out of your starship and turn your Spore creatures into legendary Space Captains. For the first time, beam down with your allies to take on action-packed, planetside adventures. Complete quests, collect rewards, and even create your own missions.
Freespace 2
FreeSpace 2, the follow up to the classic Descent: FreeSpace – The Great War is ready to engage you in the second round. Follow the Grand Terran Vasudan Alliance further into the mysteries of the Shivans. Get your flight stick and hit the flight deck. The last time was just a warm up.
Celestial Command
Mine asteroids, salvage space debris, design your own small or massive spacecraft using individual functional components, complete missions, and engage in battles against enemies in a vast galaxy with realistic physics based on orbital mechanics or in a classic physics mode.
3030 Deathwar Redux - A Space Odyssey
3030 Deathwar is a unique mix of Adventure and Space Sim. Explore star systems, mine and hunt pirates in top-down mode. Leave your ship and switch into classic Adventuring mode, where you explore derelicts, talk to shady characters or head over to the space bar for a drink.
Scavenger SV-4
Scavenger SV-4 is a highly replayable atmospheric first-person science fiction game. Part simulator, part roguelike, it has elements of action, combat, resource management, and a dash of horror. It is not quite like any game you have played before.
SCP: Daybreak
An open-ended, SCP-based, atmospheric, exploration-focused, survival-horror game with puzzle elements and replayability.
House of the Dying Sun
House of the Dying Sun is a tactical space shooter that puts you in the cockpit of the universe's most terrifying starfighter. Hunt the enemies of the Empire and bring ruin to their people.
Space Crew: Legendary Edition
Time for your toughest mission yet! Recruit and train your crew to tackle the growing threat from alien and android armies as you defend Earth to become a Galactic Legend in Space Crew: Legendary Edition. All new content free to existing owners of Space Crew!
Angels Fall First
From commanding the battle standing on the bridge of your flagship all the way down to tactical infantry firefights - AFF brings together all the combat you ever wanted in a rich science fiction setting. Boarding, pilotable capital ships, deep weapon customization and full AI support included!
Evochron Mercenary
The life of an independent mercenary is rarely without excitement. Your spacecraft awaits and your adventure begins in the Sapphire star system.
STAR WARS™: Rogue Squadron 3D
It is a time of great rejoicing in the galaxy. Luke Skywalker, with the help of Wedge Antilles, has blown up the Death Star. But there is little time to celebrate. The mighty Empire is gathering strength for a determined, all-out assault on the Rebel forces.
Interkosmos
Interkosmos is an arcady astronaut adventure in VR. Brace yourself for a rush of hectic gameplay to challenge your inner cosmonaut, and a fun story full of twists and Cold War absurdities.
Strike Suit Zero
Immerse yourself in massive fleet battles where your dog-fighting skills will directly affect the fate of the cosmos.
STAR WARS™: TIE Fighter Special Edition
The Imperial Navy is called upon to eradicate the last of the rebellion and restore law and order. As an Imperial navy starfighter pilot, you will safeguard imperiled lives thoughout the galaxy. Join the Emperor's cause in eliminating the Rebel uprising as the Empire strikes back!
Nuclear Option
Fly near-future aircraft with immersive physics on intense battlefields, facing land, air and sea threats. Wage war against AI or other players with an array of potent weapons. Wield tactical and strategic nuclear weapons, capable of annihilating anything in their path.
Artemis Spaceship Bridge Simulator
Artemis is designed for anyone who watched Star Trek and dreamed of what it would be like to sit on the bridge of a star ship. Artemis simulates a spaceship bridge by networking several computers together. You cannot play Artemis single-player!
AX:EL - Air XenoDawn
Combining the very best of sci-fi and aerial dogfighting gameplay, AX:EL delivers a totally new gaming experience. Create your very own shape-shifting vehicle and dominate both the sky and the ocean.
Gunjitsu
Gunjitsu is a fast-paced platform shooter with grappling hooks, rocket launchers, guns and grenades! Kill your opponents or race them for the fastest time. Inspirations from old platform shooters gives Gunjitsu a classic feel while modern tech takes it to a new level of frantic action!
Most played games like Sirius on Steam
Take a look at the top games like Sirius that are currently attracting the largest player bases on the Steam platform, as of June 18th 2025.
1. Elite Dangerous
Similarity 50% Take control of your own starship in a cutthroat galaxy. Elite Dangerous is the definitive massively multiplayer space epic. Elite Dangerous is a space sim, space and open world game developed and published by Frontier Developments. Released on April 02nd 2015 has received 100,024 reviews of which 77,388 were positive and 22,636 were negative resulting in a rating of 7.7 out of 10. The game has hit the top spot as the #1 most played game like Sirius, thanks to its 3,852 peak concurrent players over the last day.
7.7
77,388
22,636
3,852
players
2. Drive Beyond Horizons
Similarity 55% Rev up your engines and venture into the unknown with Drive Beyond Horizons! Conquer dynamic landscapes, customize your ride, and unearth hidden treasures. Get ready for heart-pounding challenges and endless excitement. Your adventure starts now ! Drive Beyond Horizons is a early access, adventure and automobile sim game developed by Drive Beyond Horizons and published by Tacty Studio and Santor Games. Released on March 24th 2025 has received 6,853 reviews of which 5,544 were positive and 1,309 were negative resulting in a rating of 7.9 out of 10. While seeing 2,199 players online at once in the last 24 hours, this game is currently ranked #2 among games like Sirius based on player count.
7.9
5,544
1,309
2,199
players
3. STAR WARS Jedi: Survivor™
Similarity 46% The story of Cal Kestis continues in STAR WARS Jedi: Survivor™, a galaxy-spanning, third-person, action-adventure game. STAR WARS Jedi: Survivor™ is a action, adventure and souls-like game developed by Respawn and published by Electronic Arts. Released on April 27th 2023 has received 67,054 reviews of which 46,131 were positive and 20,923 were negative resulting in a rating of 6.8 out of 10. While seeing 1,865 players online at once in the last 24 hours, this game is currently ranked #3 among games like Sirius based on player count.
6.8
46,131
20,923
1,865
players
4. KovaaK's
Similarity 47% Master your aim with KovaaK’s, the world’s best aim trainer. With over 200,000 scenarios, playlists and more! Embrace total customization, including a map editor and game physics. More than just a trainer, it’s a dynamic, community-driven platform that elevates your gameplay. KovaaK's is a action, shooter and simulation game developed and published by KovaaK Games. Released on April 03rd 2018 has received 35,305 reviews of which 32,776 were positive and 2,529 were negative resulting in an impressive rating of 9.1 out of 10. With 1,479 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Sirius.
9.1
32,776
2,529
1,479
players
5. Star Wars Outlaws
Similarity 44% Experience the first-ever open world Star Wars™ game and explore distinct locations across the galaxy, both iconic and new. Risk it all as scoundrel Kay Vess, seeking freedom and the means to start a new life. Star Wars Outlaws is a singleplayer, open world and action game developed by Massive Entertainment – A Ubisoft Studio and published by Ubisoft. Released on November 21st 2024 has received 4,792 reviews of which 3,549 were positive and 1,243 were negative resulting in a rating of 7.2 out of 10. With 1,118 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Sirius.
7.2
3,549
1,243
1,118
players
6. Wobbly Life
Similarity 44% Wobbly Life is a vibrant open-world physics sandbox. Play with your friends online or in local co-op, with exciting jobs, mini games and wacky story missions. Earn cash to spend in the world on clothes, vehicles and houses. There is a whole Wobbly World out there to explore! Wobbly Life is a adventure, multiplayer and open world game developed and published by RubberBandGames. Released on July 08th 2020 has received 26,940 reviews of which 26,141 were positive and 799 were negative resulting in an impressive rating of 9.5 out of 10. With 716 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Sirius.
9.5
26,141
799
716
players
7. LOCKDOWN Protocol
Similarity 45% A first person social deduction game, combining real time action and communication, 3 to 8 players. While most players will do their best to complete objectives and ensure victory, a small portion of dissidents will try to stop them at all costs, without getting caught. LOCKDOWN Protocol is a early access, multiplayer and social deduction game developed and published by Mirage Creative Lab. Released on July 22nd 2024 has received 14,866 reviews of which 13,058 were positive and 1,808 were negative resulting in a rating of 8.6 out of 10. With 380 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Sirius.
8.6
13,058
1,808
380
players
8. Nuclear Option
Similarity 63% Fly near-future aircraft with immersive physics on intense battlefields, facing land, air and sea threats. Wage war against AI or other players with an array of potent weapons. Wield tactical and strategic nuclear weapons, capable of annihilating anything in their path. Nuclear Option is a early access, flight and action game developed and published by Shockfront Studios. Released on October 15th 2023 has received 4,058 reviews of which 3,826 were positive and 232 were negative resulting in an impressive rating of 9.1 out of 10. With 359 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Sirius.
9.1
3,826
232
359
players
9. Hardspace: Shipbreaker
Similarity 49% Equipped with cutting-edge salvaging tech, carve & slice spaceships to recover valuable materials. Upgrade your gear to take on more lucrative contracts and pay your billion credits debt to LYNX Corp! Hardspace: Shipbreaker is a space, sci-fi and simulation game developed by Blackbird Interactive and published by Focus Entertainment. Released on May 24th 2022 has received 20,422 reviews of which 18,276 were positive and 2,146 were negative resulting in a rating of 8.8 out of 10. With 249 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Sirius.
8.8
18,276
2,146
249
players
10. Feed and Grow: Fish
Similarity 50% Hunt and eat other fish - simply, grow into larger beasts! Feed and Grow: Fish is a simulation, underwater and survival game developed by Old B1ood and published by Greens s.r.o.. Released on January 08th 2016 has received 18,972 reviews of which 14,733 were positive and 4,239 were negative resulting in a rating of 7.6 out of 10. With 166 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Sirius.
7.6
14,733
4,239
166
players
Best deals on games like Sirius on Steam
Discover fantastic savings with the best discounts on a variety of games like Sirius available on Steam right now, updated on June 18th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Sirius.
1. EarthX
Similarity 45% EarthX is a rocket company management game. Go from launching small rockets on Earth to eventually building a colony on Mars. Create your own Internet constellation, develop new technologies, supply the International Space Station and terraform Mars! EarthX is a simulation, indie and strategy game developed by Denis and Ry and published by Mesote Games. Released on July 12th 2023 has received 875 reviews of which 769 were positive and 106 were negative resulting in a rating of 8.3 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like Sirius.
8.3
769
106
-99%
19.99€
0.29€
2. Starpoint Gemini 2
Similarity 57% Captain your own space ship and roam the galaxy in 3D in this tactical space simulator with tons of RPG depth ! Space has never looked so inviting - but images can betray...It has been two years since the end of the second Gemini war, the situation in the wartorn system is further from resolution than ever. Starpoint Gemini 2 is a space, simulation and rpg game developed and published by Little Green Men Games. Released on September 26th 2014 has received 4,093 reviews of which 2,843 were positive and 1,250 were negative resulting in a rating of 6.8 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like Sirius.
6.8
2,843
1,250
-99%
31.99€
0.56€
3. Survive in Space
Similarity 48% The game is spread over 50 different levels, and Sasaki must fight through them all to redeem his people. The game features five powerful bosses that you will encounter at the end of each sector – every nine levels. Each boss is a skill puzzle of his own, with shifting mechanics and environments that will keep you on your toes. Survive in Space is a action, casual and indie game developed by EGAMER and published by SA Industry. Released on May 20th 2016 has received 349 reviews of which 239 were positive and 110 were negative resulting in a rating of 6.5 out of 10. Thanks to its incredible 99% discount, this game is now the #3 best deal in games like Sirius.
6.5
239
110
-99%
29.99€
0.32€
4. Q.U.B.E. 2
Similarity 55% Q.U.B.E. 2 is the sequel to the hit first-person puzzle game Q.U.B.E. You are Amelia Cross, a stranded archaeologist who has awoken among the ruins of an ancient alien landscape. With the distant help of another survivor you must solve the puzzles of this mysterious world and find a way back home. Q.U.B.E. 2 is a adventure, action and indie game developed by Toxic Games and published by Trapped Nerve Games. Released on March 13th 2018 has received 1,655 reviews of which 1,396 were positive and 259 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 98% discount, this title has earned the #4 position in the best deals for games like Sirius.
8.1
1,396
259
-98%
17.99€
0.46€
5. Tin Can
Similarity 54% You've barely managed to escape your exploding spaceship. Now in an old escape pod, you hurtle through space at the mercy of the cosmos. With no knowledge of the pod’s complex systems, your life depends on a technical manual and your own wits. How long can you survive? Tin Can is a simulation, space and survival game developed by Tin Can Studio and published by Tin Can Studio and IndieArk. Released on May 12th 2022 has received 1,198 reviews of which 1,015 were positive and 183 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 98% discount, this title has earned the #5 position in the best deals for games like Sirius.
8.1
1,015
183
-98%
17.99€
0.46€
6. Airport Madness 3D
Similarity 45% This is the seventh version of Airport Madness, offering players a 3-dimensional air traffic control experience from a control tower perspective. Airport Madness 3D is a adventure, simulation and management game developed and published by Big Fat Simulations Inc.. Released on May 25th 2016 has received 371 reviews of which 316 were positive and 55 were negative resulting in a rating of 7.9 out of 10. Currently offered at a significant 98% discount, this title has earned the #6 position in the best deals for games like Sirius.
7.9
316
55
-98%
24.50€
0.59€
7. CRYPTARK
Similarity 44% Cryptark is a 2D sci-fi shooter where you take on the role of a heavily armed privateer seeking to earn government contracts by boarding deadly alien space-hulks. It's up to you to strategize a plan of attack, pick an equipment loadout, and destroy the central core to be victorious. CRYPTARK is a action roguelike, action and indie game developed and published by Alientrap. Released on June 20th 2017 has received 1,822 reviews of which 1,502 were positive and 320 were negative resulting in a rating of 7.9 out of 10. Currently offered at a significant 98% discount, this title has earned the #7 position in the best deals for games like Sirius.
7.9
1,502
320
-98%
14.99€
0.42€
8. War Tech Fighters
Similarity 44% War Tech Fighters - the space action game that combines the spectacular action of Japanese Anime with Hollywood Blockbusters. Configure, upgrade and customize your War Tech and dive into battle to fight back the Zatronian forces and save your galaxy! War Tech Fighters is a action, mechs and shooter game developed by Drakkar Dev and published by Green Man Gaming Publishing. Released on July 25th 2018 has received 335 reviews of which 258 were positive and 77 were negative resulting in a rating of 7.2 out of 10. Currently offered at a significant 98% discount, this title has earned the #8 position in the best deals for games like Sirius.
7.2
258
77
-98%
19.99€
0.54€
9. Hunting Simulator 2
Similarity 45% With your hunting dog by your side, explore the Texan desert and forests of Colorado and Europe as you track down 33 animal species. Choose your gear from over 160 official weapons, accessories and clothing items (including Browning, Winchester and Bushnell). Hunting Simulator 2 is a action, hunting and adventure game developed by Nacon Studio Ghent and published by Nacon. Released on July 16th 2020 has received 868 reviews of which 581 were positive and 287 were negative resulting in a rating of 6.5 out of 10. Currently offered at a significant 98% discount, this title has earned the #9 position in the best deals for games like Sirius.
6.5
581
287
-98%
39.99€
0.86€
10. Hardspace: Shipbreaker
Similarity 49% Equipped with cutting-edge salvaging tech, carve & slice spaceships to recover valuable materials. Upgrade your gear to take on more lucrative contracts and pay your billion credits debt to LYNX Corp! Hardspace: Shipbreaker is a space, sci-fi and simulation game developed by Blackbird Interactive and published by Focus Entertainment. Released on May 24th 2022 has received 20,422 reviews of which 18,276 were positive and 2,146 were negative resulting in a rating of 8.8 out of 10. Currently offered at a significant 97% discount, this title has earned the #10 position in the best deals for games like Sirius.
8.8
18,276
2,146
-97%
34.99€
1.08€
Free games like Sirius on Steam
Check out this fantastic list of free-to-play games like Sirius you can enjoy on Steam right now, updated on June 18th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Sirius.
1. Endless Sky
Similarity 50% 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. Endless Sky is a space, free to play and open world game developed and published by Michael Zahniser. Released on October 30th 2015 has received 6,651 reviews of which 6,141 were positive and 510 were negative resulting in a rating of 8.9 out of 10. With 128 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Sirius.
8.9
6,141
510
128
players
2. Nova-Life: Amboise
Similarity 60% Nova-Life: Amboise is a multiplayer role-play simulation video game. Create your character and start your second life! Nova-Life: Amboise is a simulation, indie and action game developed and published by TeamNova. Released on April 22nd 2019 has received 1,548 reviews of which 1,219 were positive and 329 were negative resulting in a rating of 7.6 out of 10. The game currently holds the #2 spot among the most played free games like Sirius.
7.6
1,219
329
46
players
3. Toaster Arena
Similarity 48% Toaster Arena is a first person multiplayer arena shooter where players battle it out on different maps and game modes. Use Advanced movement to traverse obstacles and gain the advantage on the battlefield. Toaster Arena is a early access, action and fps game developed and published by Shadow_hawk. Released on January 20th 2025 has received 322 reviews of which 294 were positive and 28 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #3 spot among the most played free games like Sirius.
8.4
294
28
11
players
4. Zaccaria Pinball
Similarity 48% Play free and try tables in trial mode with Zaccaria Pinball, featuring 140+ tables, including 40+ officially licensed from Zaccaria was founded by three brothers: Marino, Franco, & Natale. Zaccaria was the world’s 3rd largest pinball manufacturer, next to Bally & Williams. Relive the golden age. Zaccaria Pinball is a free to play, simulation and casual game developed and published by Magic Pixel Kft.. Released on June 16th 2016 has received 1,656 reviews of which 1,345 were positive and 311 were negative resulting in a rating of 7.8 out of 10. The game currently holds the #4 spot among the most played free games like Sirius.
7.8
1,345
311
11
players
5. Formula Evolution 2024
Similarity 50% The first-ever true MMO formula racing game is here! Play with up to 39 friends! Formula Evolution 2024 is a early access, action and racing game developed and published by Petr Šimůnek. Released on June 03rd 2024 has received 525 reviews of which 361 were positive and 164 were negative resulting in a rating of 6.6 out of 10. The game currently holds the #5 spot among the most played free games like Sirius.
6.6
361
164
6
players
6. The Genesis Project
Similarity 49% The Genesis Project is an attempt to replicate Sburb from the popular webcomic Homestuck, made by Andrew Hussie. The Genesis Project is a early access, adventure and rpg game developed and published by Perfectly Generic Team. Released on April 13th 2022 has received 1,758 reviews of which 1,503 were positive and 255 were negative resulting in a rating of 8.2 out of 10. The game currently holds the #6 spot among the most played free games like Sirius.
8.2
1,503
255
5
players
7. Tales Beyond The Tomb - Pineville Night Stalker
Similarity 52% After her mother's unexpected death, Megan receives a call about a mysterious inheritance awaiting her in the town of Pineville. With her work friend, Lenny, she embarks on a journey that should be simple, but quickly turns into a web of danger and deception. Tales Beyond The Tomb - Pineville Night Stalker is a adventure, action and casual game developed and published by 616 GAMES. Released on November 20th 2024 has received 313 reviews of which 260 were positive and 53 were negative resulting in a rating of 7.7 out of 10. The game currently holds the #7 spot among the most played free games like Sirius.
7.7
260
53
5
players
8. The Pirate: Plague of the Dead
Similarity 47% Command the most fearsome pirates in an exciting Caribbean adventure! Plague of the Dead is a new installment of The Pirate series, featuring an open world without loading screens, dynamic day and night cycle and weather system, it offers each gamer an unforgettable experience. The Pirate: Plague of the Dead is a free to play, pirates and action game developed and published by Home Net Games. Released on October 13th 2017 has received 607 reviews of which 468 were positive and 139 were negative resulting in a rating of 7.3 out of 10. The game currently holds the #8 spot among the most played free games like Sirius.
7.3
468
139
5
players
9. Touhou Big Big Battle
Similarity 44% just a touhou rts game Touhou Big Big Battle is a early access, strategy and indie game developed and published by MyACG Studio. Released on September 10th 2018 has received 4,012 reviews of which 3,220 were positive and 792 were negative resulting in a rating of 7.8 out of 10. The game currently holds the #9 spot among the most played free games like Sirius.
7.8
3,220
792
4
players
10. Drug Dealer Simulator: Free Sample
Similarity 45% Drug Dealer Simulator: Free Sample is an introduction to the dark alleys of the ghetto, where you can start to expand your own crime empire! Get in touch with your contact and take your first steps in drug dealing business! 8 levels of dope business deals and constant adrenaline! Drug Dealer Simulator: Free Sample is a free to play, simulation and action game developed by Byterunners Game Studio and published by Movie Games S.A.. Released on April 03rd 2020 has received 2,721 reviews of which 2,376 were positive and 345 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #10 spot among the most played free games like Sirius.
8.4
2,376
345
2
players