Best Sci-fi Games on Steam
Unlike generic lists, our strategy game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated sci-fi games. For those who prefer not to search, check out lists of the most played, top deals and best free to play Sci-fi games on Steam.
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Tower Dominion
Build and design the terrain while defending your stronghold against alien invasion in this unique Roguelike tower defense. Choose from 30 heroes, survive enemy waves, and upgrade a variety of destructive towers to hold the line!
Among Us 3D
Teamwork and betrayal in space! In this PC & VR party game, Crewmates work together to complete tasks before one or more Impostors kill everyone aboard. Experience all of the same deception and deceit as the original Among Us, but now in all three dimensions.
Skin Deep
Skin Deep is an immersive first-person shooter. We got sneezing. We got things getting stuck in your feet. Stalk through a vast non-linear starship and sneak, subvert, and sabotage to survive in this stellar sandbox. You're outnumbered, outgunned, and have no shoes. Welcome to Skin Deep!
Deadzone: Rogue
Deadzone: Rogue is a roguelite FPS set in space. Blast through hordes of enemies with devastating weapons. Define your combat style with powerful augments and upgrades. Grow stronger with each death, solo or in co-op. Fight. Die. Revive. Repeat.
Approaching Infinity
Approaching Infinity is a turn-based space RPG in the spirit of the sci-fi classics, with endless progression and exploration. Fight tactical battles or use diplomacy. Seek powerful artifacts. Quest, mine, trade, and craft. Level up forever or attempt 10 victories in hardcore or adventure mode.
The Hundred Line -Last Defense Academy-
Kazutaka Kodaka and Kotaro Uchikoshi join forces for the first time to deliver the ULTIMATE adventure game! 15 students are tasked with defending a school from grotesque monsters for 100 days. Can they make it to the end? And will they survive long enough to uncover the truth?
Old Skies
A time travel adventure spanning two hundred years! Dive into the past with time agent Fia Quinn as she embarks on seven trips through time. History is up for grabs, from the speakeasies of Prohibition to the vicious gangs of the Gilded Age to the World Trade Center on September 10, 2001.
Bionic Bay
A scientist uses a unique teleportation instrument to escape an ancient biomechanical world filled with imaginative technology, deadly traps, and hidden secrets.
Forever Skies
A first-person survival game set on a post-apocalyptic, ecologically ruined Earth. Play solo or with up to 3 friends as you build, upgrade, and fly a high-tech airship. Scavenge resources, craft tools, and face dangers on the surface as you hunt for a cure to save humanity.
Viscerafest
Viscerafest is a Sci-Fi Fantasy Singleplayer Arena FPS with minor Collectathon elements. Fight through hordes of aliens and eldritch monstrosities wielding a slew of powerful weapons, juggling your resources, and exploring over 23 intricately designed hand-crafted levels.
The Talos Principle: Reawakened
Step back into a world of thought-provoking puzzles, philosophical intrigue, and breathtaking visuals with The Talos Principle: Reawakened - a first-person puzzle masterpiece for both new players and long-time fans alike.
GIRLS MADE PUDDING
"When there's nobody there to see you, you disappear." In Girls Made Pudding, two girls tour a series of towns that people have disappeared from.
SHOOPER NOVA
Craft Your Ultimate Circular Fortress! Dive into SHOOPER NOVA, where you choose props and components to build a unique fortress. Unlock combos to shape your strategy and battle style. Become an unstoppable barrage machine and obliterate waves of enemies from all directions!
KARMA: The Dark World
KARMA: The Dark World is a first-person cinematic psychological thriller set in a dystopian world where the Leviathan Corporation is omnipresent. The year is 1984, the place is East Germany, and things are not quite what they seem.
Metal Garden
Travel through an overgrown megastructure, and discover what lies beyond it. Metal Garden is a short, atmospheric singleplayer FPS game.
Iron Saga VS
Take control of an assortment of superb mechs and engage in thrilling combat with other enthusiasts on the same battlefield! In addition to original mecha, well-known IPs such as "Mazinger Z" and “Dancouga – Super Beast Machine God” also ready for the mecha war!
ANEURISM IV
A dystopian simulator where your choices shape a decaying city. Join other players to protect the metropolis from ruin, hasten its downfall, or simply work in the factories. With no set goals or rules, every action has consequences in a world teetering on the brink.
Metal Bringer
In this roguelike action-adventure, control humanoid "Labor" and giant "Arms" to uncover the mysteries of the world. Create fully-customizable robots, strengthen them, and take down hordes of enemies!
Cheaters Cheetah
Everyone will be given ACTUAL CHEATS in this multiplayer shooter. Use wallhacks and aimbots to your advantage and dominate the other cheetahs. The winner will get to BAN all losers!
Voids Vigil
Blast through robotic hordes in this arena auto-battler rogue-lite Brotato-like. Use auto-firing weapons and drones, timely dashes and special abilities to reach the Void where a final Conservator awaits convergence. Spend your Cogs wisely within the varied shops to create unique builds!
Split Fiction
Embrace mind-blowing moments as you’re pulled deep into the many worlds of Split Fiction, a boundary-pushing co-op adventure.
Chernobylite 2: Exclusion Zone
Explore the mysterious open world of the Chornobyl Exclusion Zone in this post-apocalyptic action RPG adventure. Shape your non-linear story, develop skills, and work with teammates and factions. Use crafted weaponry in first-person or third-person perspective.
