Blade Symphony
Prove you are the world's greatest swordsman! Engage in tactical 1 vs. 1 sword fighting, 2 vs. 2, or sandbox FFA, or capture Control Points in a tactical slash-em-up.
65% positive of 4,680 reviewsPlaying now: 0Free
Sci-fi · Strategy games to play together
219 Sci-fi · Strategy games your group can play together online, including Blade Symphony, Polarity, and Half Dead.
All games: 24
Polarity
Polarity takes it to the next level, demanding all of your wits and reflexes. Full-featured local co-op campaign.
77% positive of 3,676 reviewsPlaying now: 0$12.99
Half Dead
Half dead is a multiplayer sci-fi game about a violent TV show. The players' goal is to survive in a network of rooms full of traps.
76% positive of 2,665 reviewsPlaying now: 0$0.99
Raw Data
Built from the ground up for VR, Raw Data’s action gameplay, intuitive controls, challenging enemies, and sci-fi atmosphere will completely immerse you within the surreal world of Eden Corp. Go solo or team up and become the adrenaline-charged heroes of your own futuristic technothriller.
81% positive of 2,033 reviewsPlaying now: 0$39.99
Nuclear Dawn
Explore war-torn post-apocalyptic landscapes and take fight against enemies using various weapons in this FPS/RTS hybrid.
78% positive of 1,623 reviewsPlaying now: 0$9.99
Star Saviors
Saviors brings the best bullet hell experience you can find on Steam. Play through 18 challenging stages in this ultimate test of tactics and reflexes.
80% positive of 1,535 reviewsPlaying now: 0$1.99
Eden Rising
Brace yourself for a brand new action-packed Open World. Explore a huge world to gather materials for gear and defenses. Use everything at your disposal to defend your bases and defeat hordes of hostile monsters. Play solo or up to 8-player online!
63% positive of 1,444 reviewsPlaying now: 0Free
Moonbreaker
Moonbreaker is a turn-based strategy, tactical skirmish game. The game is designed to be a true digital miniatures experience, set in an expansive sci-fi universe crafted by Brandon Sanderson. Direct Captain and Crew in gripping, ever-changing competition and adventure.
83% positive of 1,291 reviewsPlaying now: 0$29.99
Executive Assault
Executive Assault is an indie real-time strategy/first-person shooter where you can not only build your base and create armies, but also take control of your units and fight as one of them.
83% positive of 1,268 reviewsPlaying now: 0$12.99
DEPLOYMENT
DEPLOYMENT is a fast-paced top-down arena shooter featuring five unique classes, randomly generated battlefields, tactical turret control, and intense multiplayer combat. Challenge real players or fight against AI bots in action-packed battles.
85% positive of 1,014 reviewsPlaying now: 0$11.99
Dropzone
Dropzone is a game of action, strategy and skill. Win 15 minute battles by scoring points. Unlock gear, customize your squad of up to 3 Units and compete in Team 3v3, 2v2 or 1v1 matches. Lay claim to the riches of Europa!
69% positive of 872 reviewsPlaying now: 0Free
BattleGroupVR
BattleGroupVR is a first person real-time space strategy where you lead a fleet of powerful warships into battle from the bridge of your own flagship. Assemble your fleet, upgrade your load-outs, train your captains, engage the enemy and secure the sector. Try not to go down with the ship.
91% positive of 858 reviewsPlaying now: 0$24.99
Sirocco
Sirocco is an infinitely replayable 5v5 arena. Rally your team as you swap abilities mid-match, craft unique builds and load up auto-firing weapons as you craft strategies on the fly. No rules — just fun.
75% positive of 766 reviewsPlaying now: 0Free
Gods and Idols
Take the role of a newly ascended deity in Gods and Idols. Carve your place among the stars in an open, dynamic, and massive MMORTS universe. Command the powers of the cosmos, form alliances, and use your worshipers as instruments to further your goals.
67% positive of 761 reviewsPlaying now: 0Free
VoidExpanse
Explore the vast reaches of VoidExpanse -- mine asteroids, upgrade your ship, trade, complete missions, advance your character and survive fast-paced combat with hostile aliens and mercenaries in the rich and exciting Sci-Fi universe of VoidExpanse!
68% positive of 570 reviewsPlaying now: 0$14.99
No Creeps Were Harmed TD
Employ lethal turrets, traps, and gadgets to defend against an onslaught of evolving creeps! Step into a twisted, hyper 3D, mind bending realm. Upgrade and adapt your defenses. Become a master maze crafter. Collect bizarre artifacts. Rush creeps for lucrative rewards, and succumb to greed!
89% positive of 473 reviewsPlaying now: 0$19.99
This Means Warp
It’s co-op space survival fun, Jim, but not as we know it. This Means Warp is an intense spaceship management roguelite experience for 1-4 players. Explore a procedurally generated universe, upgrade your ship, battle dangerous enemies and adapt your strategies to survive in a hostile galaxy.
71% positive of 439 reviewsPlaying now: 0$19.99
Multiwinia’s Co-op Is a 2v2 RTS Skirmish
Team up in four-player Domination or King of the Hill matches, where your two-player side captures spawn points and scoring zones across a digital battlefield.
81% positive of 409 reviewsPlaying now: 0$11.99
8-Bit Invaders!
8-Bit Invaders! is a fast-paced, retro Real-Time Strategy game for the PC. Control the military might of the Galactic Marine Corps or Invade with the devastating power of the Cranioids! Mine, Build, and Fight your way to victory! Conquering the Multiverse was never so easy.
82% positive of 402 reviewsPlaying now: 0$14.99
Interstellar Transport Company
Build a galactic transportation empire and supply humanity with everything it needs to colonize the stars. In this sci-fi logistics simulator, grow your company from a local transport agency into an interstellar logistics behemoth! Singleplayer, vs AI, and online multiplayer.
64% positive of 397 reviewsPlaying now: 0$24.99
Final Theory
Final Theory is a 4X-lite turn-based strategy game where you command fleets of battleships engaged in a galactic civil war. It presents an exciting experience for both veteran players and those new to the genre. It features innovative combat mechanics but also hearkens back to some of the classics.
78% positive of 389 reviewsPlaying now: 0$7.49
The Wall
[Servers Temporarily Shut Down!] Build. Gather. Breach. The Wall is a never-before seen mix of genres, where dynamic maps, slick combat, base building, and economy management all come together.
69% positive of 382 reviewsPlaying now: 0Free
Spaceland: Sci-Fi Indie Tactics
Incredibly dynamic turn-based strategy, reviving the traditions of the old school tactics. Lead a team of the most desperate fighters, destroy alien monsters and uncover the secrets of the lost planet.
74% positive of 359 reviewsPlaying now: 0$19.99
Deep Space Battle Simulator
Two teams of players control their capital ship in an epic battle. Customize your ship, control its movement, weapons, and energy distribution or go to one of the hangars to join the battle in a smaller fighter!
77% positive of 357 reviewsPlaying now: 0$9.99