Sci-fi Games
Discover 17792 sci-fi-tagged games on Steam. Find the best games with this tag.
Games with Sci-fi
Explore 17792 games tagged with sci-fi
0Flora Nova
Flora Nova is a single player, cozy music gardening game set in a colorful sci-fi solarpunk world. Connect with your community and prevent an alien disease from spreading through the environment by tending to musical gardens that keep the disease at bay!
0Amalgam
Partnered with your pet gun, descend to Earth's core and confront the Great Machine that reshaped the world. Craft chaotic synergies, grow your weapon, and strengthen your bond, rediscovering what it means to be human.
0SELF_DELETED
In a cyberpunk city, debts are paid with memories. You have 30 minutes to choose what to erase — love, friendship, or yourself. An interactive story with 7 endings about identity, survival, and the price of memory.
0STAR TALE: Odyssey One
STAR TALE: Odyssey One is a sci-fi FPS set on an interstellar spaceship infested with alien life forms. Explore the ODYSSEY ONE, restore critical systems, manage your oxygen, and fight to contain a biological threat that could wipe out humanity.
0Rob o Bot
Rob o Bot is a survivors-like action game where you fight hordes of robots that began acting on their own after a mysterious virus infected a new generation of machines. Survive waves of enemies, upgrade your gear, and take back control before the machines take over.
0Omnicore: Freiza's Retribution
A hardcore sci-fi survival game spanning 400+ procedurally generated star systems. Defend, mine, trade, fight, and command your way through a galaxy where five factions never stop expanding and every resource fuels your next desperate move.
0Gene Jackpot
A roguelike deckbuilder where you gamble with your own genes. Every card played mutates your body. Every defeat triggers unpredictable mutations. Become a different monster every run. Losing has never been this fun.
0Scrap Syndicate
Build, battle, and salvage your way to the top of the food chain in this gritty tactical auto-battler. Command a roster of customizable mechs, fuse illegal contraband parts to upgrade your stats, and survive the brutal Gauntlet. If your bot gets trashed? Scrap it, rebuild, and fight again.
0Finisher
Fight endless waves of robots in a brutal factory combat test. Master a fast-paced melee system with punches, kicks, aerial attacks, sword strikes, dodging, blocking, and parrying. Push through increasingly difficult waves and record how far you can go.
0Space Salvage Simulator
Welcome to Space Salvage Simulator. Saddled with an unfair debt, you're locked in a forced labor camp on the edge of the galaxy. Scavenge and craft from an endless stream of trash to earn an honest living, or bet it all in the underground arena for a quick jackpot. Pay your debt, buy your freedom!
0Sanguis OS
Sanguis OS is a dark, claustrophobic UI-based horror simulation. Take control of a blood-fueled drilling machine descending into the 9 layers of Hell. Manage engine heat, harvest demons for fuel, and fight off corrupting demonic malware before your system crashes and the hull is breached.
0Null Root
A short roguelite / incremental game about protecting a network by destroying the invading nodes.