Sci-fi Games
Discover 17805 sci-fi-tagged games on Steam. Find the best games with this tag.
Games with Sci-fi
Explore 17805 games tagged with sci-fi
0Planet Royale
Compete in the galaxy's most watched game show! Battle Royal on a planet that is being destroyed by a giant laser; each round players are eliminated as the world itself is destroyed and the escape pods become more scarce. Be the last person standing in a battle of wits, weapons and brute force.
0M.A.C.E. Tower Defense 2
M.A.C.E. Tower Defense 2, a classic tower defense game with unique towers and enemies
0They Speak To Us
They Speak To Us is a 1-4 player co-op survival horror. Capture monsters for your employer. The more monsters you capture inside your vault, the more cash you obtain.
0Riftstrider
Riftstrider is a deckbuilding roguelite with a twist ~ your deck is a grid of orbs. Link elemental orbs to unleash powerful combos while battling foes through ever-shifting rifts in spacetime. Can you confront the anomaly and restore peace to your dimension?
0Free Stars: Children of Infinity
Experience a stellar space adventure and the sequel to The Ur-Quan Masters. Travel through hyperspace, engage in fast-paced combat, discover weird worlds, and meet a unique cast of truly alien aliens as you uncover a mystery that threatens the galaxy.
0Pollie
In a world devastated by an apocalyptic disaster, where once-thriving cities are left in ruins, a lonely robot named Pollie finds itself in a relentless adventure.
0Back to the Earth
Take an exciting journey. Find out the reason for your abduction. Help your space brothers. Alien adventures await you!
0Battle Scars Eternal Stars
This is a simulation game, made by an independent game developer, individual developers have limited energy, please don't have too high expectations. You play as a robot exploring a planet. You can freely drive vehicles, use weapons to attack, and more advanced weapons such as controllable missiles
0Alex & Arty
Two souls, one mission: restore a dying world together! 🌱 A planet is on the brink. 🤝 Two unexpected allies. ⚙️ Combine exploration, engineering, and magic to save a world devastated by greed… and build new hope.
0Please Insert Disc
Please Insert Disc is a horror game about navigating the underbelly of a 2000's era gaming console to restore its functionality, but awakening something in the process. From the creators of Home Safety Hotline.
0Enemy Metal
2.5D Roguelite Shooter with Unique Gameplay, Powerful Weapons and a Killer Soundtrack. Battle the dangerous enemies and defend the planets of the Sunstar System! Gather crystals and destroy turrets to level up and unlock exciting new Starships on each planet!
0Bastion Of Beginnings
A tower defense adventure with endless strategy. Experience procedurally generated maps, unique foes, and a comprehensive tower upgrades system, as you progress through the waves. See how long you can hold down the homebase in this dynamic and replayable game!
0ViReFrame
Speed through the Time Trials, get the best time you can! Mess with tons of unique and unconventional weapons in the Sandbox Level! Try to survive as long as possible in Horde Mode! Suggest new weapon ideas! This game is shaped by the players too!
0Gingar Ail
Gingar Ail is a story-based SF RPG indie game set on the Moon Base. Become Asta, the protagonist and one of the agents who lost all her memories in an accident, and discover secrets of the Moon Base. Battles involve turn-based strategy.
0The Silent Column
After a terrible, supernatural event results in the deaths of most people in the world, Tashen meets fellow survivors and falls in love, as he find himself surrounded by ancient and abstract mysteries.
0Night Shift Dissonance
Identify Clients, find out what they want, and deliver items in a timely manner. If you make it to the end of the week you won't live to see another day of work!
0Undercroft
Under the old forgotten church lies a sprawling crypt, filled with lost histories and abandoned secrets. Search through the forgotten catacombs and uncover the mystery behind it's creation. Maybe you can find out how to save yourself along the way.
0Intergalactic Battle Roosters
It’s time to cluck around and find out. Gear up and pull on the helmets of the Battle Roosters, a hotshot space brigade of poultry with panache. In this quirky, roguelike, bullet hell adventure you’ll combine weapons, upgrades and killer strategies to recover space’s best taco ingredients. Bwark!
0Omen
Infiltrate the remnants of a fallen empire, extract valuable loot, establish defenses against hostile fanatics, and unlock the gateway to a dimension of cosmic dread that defies comprehension.
0SIS and BRO: The Cyborg Siblings
Help SIS and BRO escape the city (or not, it's up to you).