The 15 Best Open World Sci Fi Games to Play in 2023

We are now in the golden age of open-world games. Players choose rules over game developers, and they are making more and more user-oriented games. Sci-fi (Science Fiction) games are the best genre of open-world gaming. Open-world sci-fi games have everything, from a great story to amazing graphics. You cannot but fall in love with sci-fi games. So, at the beginning of 2023, we bring you some of the best open-world sci-fi games that must be played. So, without adieu, let’s jump into the future universe where machines and AI rule the world.

Best Sci-Fi Games You Must Play

Sci-fi (Science Fiction) games are the best genre in the online world. Find the 15 best open-world sci-fi games for PC. Those games will provide you with a different enjoyment of science and technology.

1. Half-Life 2

  • Platforms: PC, Xbox One, PlayStation 3, Android, Steam.
  • Developer: Valve Corporation
  • Genre: First-person shooter.

Half-Life 2 Shooting GamesHalf-Life 2 is referred to as the game of the decade. It is the best open-world sci-fi game with action, shooting, story, and creative gameplay. Once you play this first-person shooter game, you will realize Half-Life 2 differs from other sci-fi games.

Half-Life 2 has been at the apex of graphical excellence since its release. For instance, it has real-life character designs, the physics in the game is very similar to the natural world, and gun recoils and weapon designs are unique. Simply put, Half-Life 2 is the best there is.

Half-Life 2 can be enjoyed on PC, Xbox One, PS3, and Android. In a nutshell, if you like to play first-person shooter games, then you must play Half-Life 2.

More Info 

2. Portal 2

  • Platforms: Windows, macOS, Steam
  • Developer: Valve
  • Genre: Action, Adventure

Portal 2 open world sci-fi gamesPortal 2 is not your typical sci-fi game. Some ideas are supreme for video games and fit perfectly in the puzzle. Portal 2 is just like that. Its teleportation gun is one of the best in the whole gaming world.

Valve created all the great and creative things to make it enjoyable for gamers of all ages. It is astonishing how Portal 2 has satisfied the thirst of sci-fi gamers worldwide. Moreover, Portal II has a great voice cast that adds much to the story and makes it more realistic.

You can play on Windows and Mac PCs. It supports single-player mode as well as online multiplayer mode. Though it is a cheap game priced at around 10 USD, Portal II covers all the aspects of excellent open-world sci-fi games.

More Info 

3. Deus Ex: Human Revolution

  • Platforms: PC, Xbox 360, PlayStation.
  • Developer: Eidos-Montréal
  • Genre: Action RPG, First-person shooter

Deus Ex GameDeus Ex: Human Revolution, the prequel to the famous action sci-fi game Deus Ex, portrays a fascinating look into our world’s future, where human augmentation is average. The game is a story of two groups’ contradictions. One is in support of human augmentation, and the other one is not.

In Deus Ex: Human Revolution, you must choose both sides and take up missions to complete the game. Your actions directly impact how the game will progress and end. It is up to the player how they treat Adam, the game’s protagonist. There are multiple endings to the game, depending on your decision. It is a game that considers your choice, and the story revolves around it.

More Info 

4. Doom Eternal

  • Platforms: Windows PC, Xbox One, PlayStation, Xbox Series X, and Nintendo.
  • Developer: iD Software, Panic Button Games
  • Genre: first-person shooter

Doom Eternal open world sci fi gamesAre you a fan of badass otherworldly demons and demonic creatures and like to kill them with big guns fast? Then, I am sure Doom Eternal will pick your interest. It is a staple science fiction game with unique soundtracks, a great environment with hacks and slashes, and fast-paced shooting gameplay.

The story of this first-person shooter starts when demons start crawling on Earth and commit to destroying the planet. Our protagonist takes up the task of stopping the demonic priest and, in the process, killing all the demons. You must buy Doom Eternal and play it on your PC, PlayStation or Xbox.

More Info 

5. Mass Effect 2

  • Platforms: PC, Xbox 360, PlayStation.
  • Developer: Casey Hudson  
  • Genre: Action, third-person shooter

Mass Effect 2 sci fi open world gamesEleven years ago, the saga of infamous space commander Shephard and his crew started yet to date. Mass Effect 2 is one of the best open-world sci-fi games out there. This sci-fi action shooter holds the soul of the Star Trek universe. Mass Effect 2 is the story of a crew and the commander of a spaceship that tackles space politics, aliens, and whatnot.

Mass Effect 2 features a memorable shootout in the vast emptiness of space. Despite being an old game, it is still considered one of the legendary PC games featuring a great story, amazing graphics, and a futuristic weapon arsenal. The game is available on Steam for USD 19.99.

More Info 

6. Top Futuristic RPG Games – Prey (2017)

  • Platforms: Windows, Xbox One, PlayStation 4.
  • Developer: Arkane Studios
  • Genre: First-person shooter.

Prey sci fi open world mmoPrey is one of the memorable and best-selling sci-fi games of 2017. No science-fiction game will be complete without having an alternative time or a parallel universe. Prey covers that side of the science fiction world.

In this game, the failed assassination of US President J.F. Kennedy leads the research to space resulting from Talos I. Talos I’s construction is an intergalactic research facility dedicated to Typhon’s research of the newly discovered alien race. As you might have guessed, researching a deadly alien species in space is not easy, and you will experience the difficulties of that from the first-person shooter perspective.

More Info 

7. Bioshock: The Collection

  • Platforms: Windows, macOS, Nintendo Switch, Xbox One, and PlayStation.
  • Developer: Blind Squirrel Games
  • Genre: Action, RPG.

BioShock Shooting GamesBioshock is a great sci-fi open-world MMORPG game. This game comprises all the BioShock games, e.g., BioShock 2 and BioShock Infinite. The BioShock franchise is one of the best classics among the other story-based sci-fi games. All three series games are outstanding and take the gameplay further every time.

Bioshock is a first-person role-playing action game where the players explore the city of Rapture. The game is filled with thrilling battles with mutated drug-addicted creatures of the dark. It is a combination of action and horror that has exceeded all boundaries to present you with an unforgettable experience. In other words, Bioshock: The Collection is the best-performing sci-fi game online. You can purchase and play the game on Windows, macOS, Nintendo Switch, Xbox One, and PlayStation.

More Info 

8. The Outer Worlds

  • Platforms: Windows, Steam.
  • Developer: Obsidian Entertainment
  • Genre: Action RPG, Open world, Sci-fi, FPS

The Outer Worlds is 2019’s most successful game with the concept of open-world science fiction. The key aspect that made ‘The Outer Worlds’ so successful is that it combined the elements of the Fallout game, corporate satire, and role-playing game perfectly. Unlike Fallout, this 15-hour game is perfect for enjoying the best action gaming experience without losing your life.

The narrative of the game is also grand. It doesn’t ask for much, yet it is interactive with the players. The players are set to deal with a megacorporation where things can take a horrible turn. Overall, The Outer Worlds is a fantastic open-world game that you should try. The game is available for Windows only.

More Info 

9. Alien: Isolation

  • Platforms: PC, Xbox One, Xbox 360, Nintendo, PlayStation.
  • Developer: Creative Assembly, Feral Interactive
  • Genre: Survival horror.

Alien IsolationAlien: Isolation is the most fantastic science fiction survival horror game. The game adaptation of famous movies is not always a great idea. But this statement is not accurate for Alien: Isolation. This game is one of the best adaptations of the TV series Alien: Isolation by Fabien Dubois.

This survival horror presented all the great things in a survival game. The fantastic graphics, designs of the aliens, and sounds bring life to the game and make it a great experience. It has been over 30 years since Ridley Scott’s novel Alien’s release, and it is still one of the most terrifying creations. The game Alien: Isolation proves it again. Putting in the shoes of Ellen Ripley’s daughter Amanda, the players enjoy the game’s horror.

More Info 

10. Dead Space 2

  • Platforms: PC, Xbox 360, PlayStation 3.
  • Developer: Visceral Games.
  • Genre: Survival Horror

Dead Space 2 open world sci fi games pcDead Space 2 is another sci-fi open-world game similar to Doom Eternal. In Dead Space 2, you play the game from a third-person perspective. Dead Space 2 is a fantastic survival horror game currently available for Windows, Xbox 360, and PlayStation 3.

Dead Space 2 is a decisive game with an open-world concept, high-quality graphics, and out-of-the-world action sequences. This game is the terrifying installment of the whole Dead Space franchise. Dead Space 2 begins when Isaac Clarke wakes up on USS Ishimura and finds himself in a situation he didn’t expect. Experience the world in zero gravity and discover the truth behind the Necromorph epidemic caused three years prior.

More Info 

11. Outer Wilds

  • Platforms: Windows OS, Xbox One, PlayStation 4.
  • Developer: Mobius Digital
  • Genre: Action-adventure.

Open-world games are all about exploring the environment and traveling to uncover secrets. Only a few games have been able to capture that perfectly in a sci-fi game. But in the case of Outer Wilds, it has perfectly combined it all.

You are on a journey to discover the secrets and history of our solar system’s prior civilization. Escape from certain doom is the only possible way, as they tried to do so. That is why you must reveal the secrets. It is possible but not easy. Get on a journey of hardship, obstacles, action, and fight with the unknown. You have to hunt, start a fire, or even stay in a cave during the game, and sometimes, you will need what is most important- patience.

Get the Epic Games store and play it on Windows, Xbox One, or PlayStation 4. You will enjoy the open-world concept of Outer Wilds.

More Info 

12. Star Wars Jedi: Fallen Order

  • Platforms: Windows, Xbox One, PlayStation 4, and Stadia.
  • Developer: Respawn Entertainment.
  • Genre: Action-adventure

If you are looking for sci-fi games, I am sure you are a Star Wars movie franchise fan. After its success, Star Wars Jedi: Fallen Order is another adaptation of a Bollywood film. Star Wars Jedi: Fallen Order is not your typical science fiction. It brings more to the table.

Star Wars Jedi: Fallen Order is a modern open-world science fiction game with proper action, romance, shooting, and a fantastic otherworldly view. Taking the Jedi role has never been so fluid and at home before Star Wars Jedi: Fallen Order. The game is playable on Windows PC, Xbox One, and PlayStation 4, and from November 2020, it is also available on Stadia. You can purchase the game from the EA Game Store.

More Info 

13. Top Futuristic RPG Games Destiny 2

  • Platforms: Windows PC, Xbox One, PlayStation 4.
  • Developer: Bungie, Inc.
  • Genre: First-person shooter, MMO

Google Stadia Game Destiny 2Destiny 2 is an excellent open-world sci-fi game offered by Bungie Inc. You can enjoy Destiny 2 for free online. But for a downloadable version, you have to purchase the game. After Halo, Destiny 2 was a massive success for the game’s developers. This first-person shooter game will make you sink into the open world of fiction.

Over the years, the Destiny games have grown, and it is evident in Destiny 2. The story development, character placement, and environment fit perfectly into the big picture in the game. Destiny 2 has a decent collection of futuristic weapons, vehicles, and exciting game elements. You will enjoy this classic action MMO game. Join your friends on a co-op journey into the world of Destiny 2.

More Info 

14. Nier: Automata

  • Platforms: Windows, Xbox One, PlayStation 4.
  • Developer: PlatinumGames
  • Genre: Action, Role-playing, hack, and slash.

Nier: Automata is one of my favorite science-fiction games of all time, with a fantastic game story and realistic graphics. Nothing can be compared in a sci-fi game to fighting robots as the proxy of humans. Nier: Automata is something like that but goes deeper than simply fighting.

You will face challenges, glorious bullet fights, and a hardcore fistfight in Nier: Automata. It tells the superb but challenging story of three Androids, 2B, 9S, and A2. Nier: Automata is one of the best narrative games with a stunning worldview. You will also fall in love with the beautiful androids. Try it out for yourself.

More Info 

15. EVE Online

  • Platforms: Online, Windows, macOS, Linux.
  • Developer: CCP Games
  • Genre: Space flight simulation, MMORPG.

Have you ever wondered how traveling through the universe in a spaceship feels? You get that chance for free in the space flight simulation action game EVE Online. EVE Online is an online free-to-play MMORPG and the best space MMORPG out there.

EVE Online shows how the developers of a massively multiplayer role-playing game can be. The open space, intergalactic views, and exciting fights with other races make it the best MMORPG sci-fi game. The players are dropped randomly in the vast universe. To continue the game, the players have to build and maintain societies. However, it doesn’t stop at that. You might have to fight galactic wars, stop invasions, and do many different missions and tasks.

EVE Online is a free game that you can play from your browser. It is safe to play and works fine on Chrome, Mozilla, and Safari browsers. You don’t have to download the game to enjoy it.

More Info 

Honorable Mentions:


  • Platforms: Windows, PlayStation 4, Xbox One.
  • Developer: Paradox Interactive
  • Genre: Strategy, RPG.

No Man’s Sky 

  • Platforms: Windows, PlayStation 4.
  • Developer: Hello, Games.
  • Genre: Action-adventure, Survival

 Detroit: Become Human 

  • Platforms: Windows, PlayStation 4, Xbox One.
  • Developer: Quantic Dream
  • Genre: Action-adventure


  •  Platforms: Windows, macOS, Linux, PlayStation 4, Xbox One.
  • Developer: Fullbright
  • Genre: Adventure

Best Sci-fi Open World Games

For the readers, we have accumulated some of the best sci-fi open-world games with descriptions and release years. It will help you to make quick decisions.

Game Title Description Release Year
Cyberpunk open world RPGs 2077 Explore the dystopian Night City as mercenary V, using futuristic technology and cybernetic enhancements. 2020
No Man’s Sky Embark on space exploration, trade, and resource gathering across billions of procedurally generated planets. 2016
The Outer Worlds Navigate a satirical future as you navigate through colonized alien planets controlled by powerful corporations. 2019
Elite Dangerous Pilot your starship, trade, mine resources, and engage in space combat in a realistic representation of our galaxy. 2014
Fallout 4 Roam is a post-apocalyptic Boston wasteland, making decisions that affect the fate of various factions. 2015
Deus Ex: Mankind Divided Immerse yourself in a near-future conspiracy as a mechanically augmented human navigating a complex storyline. 2016
Anthem Team up with friends to explore a visually stunning open world and engage in cooperative multiplayer combat. 2019
Horizon Zero Dawn Play as Aloy, a hunter in a world of robotic creatures, in a beautifully designed open world of nature and technology. 2020
Prey Experience psychological horror on a space station overrun by alien creatures, blending exploration and suspense. 2017
Starfield (Upcoming) Anticipate an expansive upcoming RPG set in space, offering a universe for players to explore and discover. Upcoming

Open World Space Exploration Games

Open-world space exploration games are like virtual space adventures. You get to explore massive, open worlds in space where you can do whatever you want. You can fly spaceships, visit planets and moons, fight space battles, trade stuff, and meet different characters. These games let you choose your path and make your own story. 

One excellent game is “No Man’s Sky,” where you can explore planets with weird creatures and build things. Another game, “Elite Dangerous,” lets you fly across the galaxy, trade, and fight. In the “Kerbal Space Program,” you can design rockets and explore other planets. It’s all about having fun in space.

Game Title Description Features and Gameplay
No Man’s Sky Procedurally generated universe exploration, resource gathering, and interaction with alien species. Limitless planets, diverse ecosystems.
Elite Dangerous Detailed Milky Way exploration, trading, mining, and combat. Realistic space simulation, dynamic economy.
Star Citizen It is an ambitious universe with space and ground activities and interconnected gameplay. Crowdsourced development, vast universe.
X4: Foundations Fleet control, trading, building space stations, diplomacy, and warfare. Manage entire fleets’ complex economy.
EVE Online Player-driven economy, diplomacy, politics, mining, trading, and battles. Massive player interaction and intricate lore.
Kerbal Space Program Rocket design, space exploration, mission completion, and scientific experimentation. Physics-based rocket building, celestial travel.
Stellaris Grand strategy, interstellar exploration, diplomacy, and empire management. Customizable civilizations, research trees.
Noctis Minimalist planetary exploration and cataloging. Focus on exploration and documentation.
Rodina Open-world space exploration, landing on planets, uncovering lore. Seamless transitions, abandoned civilizations.
Empyrion – Galactic Survival Space and planet exploration, base building, crafting, and survival. Open-world building, resource gathering.

Sci-fi RPGs With Rich Narratives

Sci-fi RPGs with rich narratives offer rich science fiction narratives, letting players delve into immersive futuristic worlds filled with complex characters and meaningful choices.

Game Title Description Features and Setting
Mass Effect Series Epic space adventures as Commander Shepard, with impactful choices and intergalactic relationships. Futuristic galaxy diverse alien species.
Star Wars: Knights of the Old Republic Explore the Star Wars universe and decide between the light and dark side of the Force. Iconic Star Wars locations, branching storylines.
System Shock 2 Battle a rogue AI while uncovering a chilling backstory aboard a spaceship. Sci-fi horror, immersive audio logs.
Anachronox Uncover a bizarre narrative while exploring a diverse universe to save the world. Quirky humor, unique world-building.
Alpha Protocol Assume the role of a spy, making choices that influence the espionage-filled narrative. Modern-day setting with espionage twists.
Shadowrun: Dragonfall Blend magic and technology in a cyberpunk fantasy, uncovering intriguing stories. Urban fantasy meets cyberpunk, deep characters.

Final Thoughts

Open-world sci-fi games are the best; that is to say, these games always bring more to the table and make a fun experience for gamers. Most importantly, science-fiction games never cease to amaze you. You get the action with scenic beauty in all sci-fi games. It is not just the gameplay but the overall experience that makes open-world games popular and enjoyable.

Comment down below which one is your favorite science fiction game. Share if you liked the list, and don’t forget to subscribe to our YouTube channel.

Fardeen is a tech expert and enthusiast who graduated from a reputable university. With his passion for technology and commitment to staying up-to-date with the latest advancements, Fardeen has become a valuable resource for anyone seeking guidance in the ever-evolving digital landscape. His dedication and eagerness to share his knowledge with others make him a valuable asset in the technology industry. Fardeen's skills and expertise could be harnessed to pursue a career in technology or even start his venture to help others harness the power of technology.

Related Articles


    • Thank you for your kind words.

      Here are some Android games that you can try as a girl:
      1. Candy Crush Saga
      2. Angry birds
      3. Pet Rescue Saga
      4. Wordament
      5. Fruit Ninja

      Some Free Online Games:
      1. Fireboy and Watergirl: The Forest Temple.
      2. Fashion Nail Art.
      3. Love Tester 3.
      4. Geometry Jump.
      5. Boyfriend Girly Makeover.

      Keep supporting us.


Please enter your comment!
Please enter your name here

Latest Articles