Sci-fi Games
Discover 17687 sci-fi-tagged games on Steam. Find the best games with this tag.
Games with Sci-fi
Explore 17687 games tagged with sci-fi
0Once a Porn a Time 3
The ultimate NSFW fairytale trainer game – Corrupt all the princesses! Use Persuasion, Magic, and Corruption to break them. Unlock animated porn scenes, voice acting, and multiple endings in the galaxy’s most sinful park!
0V-Monsters Forgotten Link
A turn-based monster RPG set in a digital world torn by war. Build bonds, evolve in battle, and uncover the hidden truth behind the fall of Folklora.
0Oblivio
In Oblivio, you and your companions are patients of the psychiatric hospital Abyss. After a mysterious incident, you find yourselves free — right outside the hospital gates — only to discover that it has long been abandoned. To recover your lost memories, you must return to its ominous halls.
0Liminara
A classic, vector-graphics arcade shooter with a compelling narrative story and a massive, detailed skill tree to advance your character. Upgrade your attacks, defenses and evasion as you battle through waves of progressively more difficult enemies with each round.
0Void Protocol
Void Protocol is a 3D hardcore puzzle game built on Temporal Imprint. In an indie-crafted cyberpunk lab, freeze/rewind objects' states (position, activation, motion) to crack impossible puzzles. Manipulate causality—every action sparks solutions or paradoxes.
0CUMBOY IN SPACE 2
CUMBOY IN SPACE 2 is a sequel visual novel in which you will play a male character. It is a space drama in an alternate history, where you will have hot sex with beautiful women and decide the fate of the galaxy.
0Spaceship Scavenger
Board a derelict ship frozen in time. Use your scavenger tools to cut, hack, and grapple through its corridors. Retrieve the containment core intact and make your escape before the ship—and you—are lost to the void.
0The Last Gig
The Last Gig is an immersive first-person stealth-action game that sees you facing off against a blandly murderous superintelligence. Sneak and fight your way through all-too-near-future London in order to get your band, get your gear, get to the pub, and play... THE LAST GIG
0Cats Ritual
Explore a decaying city in "Cats Ritual," an indie adventure where you must find 30 cats to complete a mysterious ritual and save an eccentric NPC from ancient cat spirits. Uncover secrets, solve puzzles, and brave the dangers lurking in the shadows of this forsaken urban landscape.
0Kaguya
High-School Heroines Take to the Skies!A fully-voiced bullet hell shoot-'em-up that's friendly to newcomers!Wipe out the AI robot army and save the day!
0Hardwired
Enter the terminal and jack into a retro-cyberpunk world. Hardwired is a hacker simulation where you explore networks, uncover secrets, and manipulate systems through command-line interfaces. Discover hidden logs, tap into surveillance feeds, and unravel story a set in a fractured dystopia.
0TechWorld
TechWorld is a fast-paced tower defence roguelike where you build, upgrade, and fight alongside your towers. Combine strategy and action as you battle waves of enemies, collect loot, and unlock new maps, abilities, and permanent upgrades to strengthen your robotic hero.
0Echo Bastion
Echo Bastion is a mix of a grimdark turn-based tactics, tower defense and deckbuilding game. Deploy living cards - soldiers, control them on the grid, and hold the line against relentless demonic waves. No RNG. Just survival.
0Chicken Coop Invaders
Save the chickens! Help Lucas defend the chickens against a ruthless alien attack in this frantic FPS game with Tower Defense elements! Battle through dozens of levels, make allies, buy and upgrade items!
0Hexalith
A hex-grid sci-fi city-builder game focused on planning and experimentation. Place resource and city tiles, balance core civilization stats, adapt to shifting world conditions, and shape each run through blueprint-based progression across multiple game modes.
0Battle of Nowhere
A fast-paced VR arcade shooter where you fight off relentless zombie hordes with upgradeable weapons, explosive traps, and lightning reflexes. Survive the apocalypse — or die trying.
0WAFIEU
WAFIEU is Top down Adventure with puzzles and rpg vibes without battles
0Doomclock
Doomclock is a roguelite, top-down arena shooter with deckbuilding elements. Bathe in blood of the damned, unlock new cards, and craft your deck of heavenly and hellish powers to survive the apocalypse. Be quick or be dead — there’s no time to rest.
0The Last Transmission
You are the last operator of a remote radio station. A storm is distorting reality. You monitor transmissions. You file reports. Then a voice cuts through the static. Not yours. Not possible. Something is listening back. You answered. You shouldn’t have.
0Heaven's Gambler
High-stakes gambling amidst fast-paced combat! Play it safe with meticulous builds, or risk it all for a one-hit to kill. Explore the Cyber-Gospelic Heaven City, glimpsed the legendary demon.Anyway,Good Luck！