One of the best is 'Mass Effect' series. It offers an immersive universe with diverse alien species, a great story, and interesting gameplay mechanics. You can explore different planets and make impactful choices throughout the game.
Half - Life 2 is also a great science - fiction PC game. It has a unique and engaging story set in a dystopian future. The physics - based gameplay is really innovative and adds a lot to the overall experience.
The 'XCOM' series is also excellent. It's a turn - based strategy game set in a science - fiction world where you lead a team of soldiers to defend Earth from alien invaders. The strategic depth and customization options make it really engaging.
The game 'Sunless Sea' is also somewhat underrated. It has a very unique take on mystery science - fiction. You sail through a strange underground ocean filled with all sorts of oddities and mysteries. There are different factions, strange creatures, and you have to uncover the secrets of this strange world as you try to keep your ship and crew alive.
One of the great science - fiction first - person shooters on PC in 2015 was 'Destiny'. It offered a vast, beautifully designed universe to explore, with engaging multiplayer modes and a decent single - player campaign. The gunplay was solid and the different classes added variety to the gameplay.
Don't forget about 'Prey' (2017). It has a very cool sci - fi setting where you're on a space station full of hostile alien life forms. The ability to use the environment and different powers adds a lot of depth to the gameplay. It's a great example of a modern sci - fi first - person shooter on PC.
Mass Effect series can also be considered. It has a rich science - fiction universe filled with different alien races. There are many mysteries, such as the secrets of the Reapers. You play as Commander Shepard and explore the galaxy, making choices that not only affect the story but also help in unraveling the various mysteries that the game presents.
The Witcher 3: Wild Hunt. It has an incredibly rich and immersive story. You play as Geralt, a monster hunter, in a vast open world filled with political intrigue, moral choices, and complex characters. The main story quests are engaging, and the side quests often have their own mini - stories that are just as interesting.
Minecraft. It's a sandbox game where you can build and explore without following a set story. You can create anything from simple houses to elaborate castles, mine for resources, and fight off mobs.
The Witcher 3: Wild Hunt. It has an incredibly rich and immersive story. You play as Geralt, a monster hunter, in a vast open world filled with political intrigue, moral choices, and complex characters. The side quests are also very well - written, often feeling like mini - stories within the larger narrative.
One great option is 'The Elder Scrolls Online'. It has a rich, immersive story set in the well - known Elder Scrolls universe. Players can explore Tamriel, interact with various characters, and be part of epic quests. Another is 'Guild Wars 2'. It offers a deep story with different storylines for each race and region. The game world is huge and full of lore. And 'Divinity: Original Sin 2' also stands out. It has a complex and engaging story where your choices matter a great deal, and the multiplayer aspect allows you to experience it with friends.
One of the pc games with an amazing story is 'The Witcher 3: Wild Hunt'. It has a rich, complex narrative filled with moral dilemmas. You play as Geralt, a monster hunter, and your choices throughout the game have far - reaching consequences for the world and the characters in it.