29 Sci-fi · Zombies games your group can play together online, including Zombie Assault: Resurgence, John Carpenter's Toxic Commando, and Deadzone: Rogue.
Zombie Assault: Resurgence is an intense, action packed top-down shooter, featuring deep RPG elements. Customise your loadout with unique upgradeable weapons as you gear up to take on hordes of enemies. Play solo or team up in co-op with up to 4 players.
Pick a character and team up with three friends ‘cause it’s time to save the world. Experience intense FPS action as you obliterate hordes of terrifying monsters! You may not be on the best team of mercenaries, but you are… a Toxic Commando!
71%71% positive of 6,410 reviews139Playing now: 139$19.99
Deadzone: Rogue is a roguelite FPS set in space. Blast through swarms of hostile machines, combine powerful augments and elements to forge your build, and grow stronger with each run — solo or in co-op.
82%82% positive of 15,301 reviews464Playing now: 464$24.99
Hunt down nightmarish demons and save the town of Miami, AZ in this 80s-themed, isometric action-RPG. With an expansive, interconnected map and open-ended quests, explore freely while unraveling the main story. Kingdom of Night is a unique blend of coming-of-age drama, cosmic horror, and true love.
86%86% positive of 337 reviews6Playing now: 6$19.99
Purchase FBC: Firebreak and invite your friends to play the full game for free on any platform. FBC: Firebreak is a three-player cooperative first-person shooter set within a mysterious federal agency under assault by otherworldly forces.
64%64% positive of 2,008 reviews19Playing now: 19$0
Tom Clancy's Rainbow Six® Extraction is a tactical, co-op, PvE first-person shooter where you and your squad face an evolving alien threat. Teamwork, tactics, and flawless execution are key to your survival.
65%65% positive of 2,890 reviews11Playing now: 11$39.99
MARS is a Free-To-Play Third Person Shooter set in an evolving sci-fi world. From the hilarious Headhunter mode, to Huge Mecha vs Mecha battles, to fully customizable loadouts; whether Co-op or PvP, M.A.R.S. has something for everyone. Kill, Die, Repeat.
62%62% positive of 1,167 reviews28Playing now: 28Free
Sequel to the best-seller The Red Solstice. Plan your strategy and infiltrate a real-time tactical battlefield - alone or with up to 7 squad members. Can you demonstrate the combat prowess to survive and secure a future for humanity?
69%69% positive of 2,586 reviews12Playing now: 12$14.99
Purge the undead! Intense action-shooter with deep rpg elements, including upgradeable guns and armor, unique class skills, and class special abilities. Entire game can be played single player or as a 4-player online co-op game, including PvP events like Last Man Standing.
85%85% positive of 9,734 reviews131Playing now: 131Free
Art of War: Red Tides is a fair multiplayer strategy game that allows different teams on the same platform (e.g. smartphones, PC, etc.) to battle against each other. You will encounter players around the world!
79%79% positive of 6,962 reviews6Playing now: 6Free
Thousands of aliens, giant spiders, mutant lizards, and more are on the attack - can you survive the onslaught? Crimsonland is a top-down shooter with a touch of RPG. Unlock over 30 weapons and over 50 perks from quirky to brutal. Complete the quest and show your skills in five survival modes.
92%92% positive of 2,112 reviews24Playing now: 24$13.99
2280 A.D. The last few survivors of a ruined Earth seek a new home: Mars, a planet whose inhabitants didn't take too kindly to outsiders. The Red Solstice is a tense, tactical, squad-based action game. Fight to survive with up to 8 players in co-op, or lead your own squad in single-player mode.
71%71% positive of 884 reviews1Playing now: 1$9.99
Reawakened from stasis in the occupied metropolis of City 17, Gordon Freeman is joined by Alyx Vance as he leads a desperate human resistance. Experience the landmark first-person shooter packed with immersive world-building, boundary-pushing physics, and exhilarating combat.
97%97% positive of 204,574 reviews2.2KPlaying now: 2,210$9.99
NOW AVAILABLE! When the Earth falls to an extra-terrestrial invasion, humanity becomes an endangered species. Earthfall is a four-player cooperative shooter that challenges players to survive hordes of ruthless alien drones and their inscrutable masters.
64%64% positive of 1,573 reviews0Playing now: 0$19.99
Battle for survival against endless alien hordes with your friends! The Anacrusis is a first-person shooter that dynamically adjusts difficulty to you. Experience intense 1-4 player co-op action or play as the aliens and stop your friends in 1-8 player Versus mode. Full Steam Workshop support!
67%67% positive of 618 reviews0Playing now: 0$9.99
UNDERWARD is a 1-4 player co-op horror exploration game. Investigators must carry «TEST-SUBJECT» monsters from a deadly underground abandoned hospital ward.
71%71% positive of 592 reviews0Playing now: 0$4.99
Knights Within is a hack&slash horde shooter with roguelite elements. Design custom loadouts, navigate procedurally generated levels and utilize random power-ups. Either solo or with friends, can you survive endless waves of enemies to ensure humanity's survival?
95%95% positive of 249 reviews0Playing now: 0$17.99
In this 2-player twin-stick shooter, use a friendly drone for a game-changing abilities. Survive waves, upgrade, and uncover the mystery in this cooperative, action-packed experience.
68%68% positive of 245 reviews0Playing now: 0$14.99
The Last Camp is a post-apocalyptic world-themed game. It utilizes high-quality graphics, a rich weapon and item system, and a vast world map to create a cross-generational twin-stick shooter, bringing a feast to hardcore shooter players.
89%89% positive of 238 reviews0Playing now: 0$22.49
Help Frank F. Franky fight the evil cardesians, zombies & robots while setting your arrested friends free. Bullshot is a run 'n gun game that tries to recover the essence of the 90s classics, such as Abuse, Contra or the Metal Slug sagas.
68%68% positive of 232 reviews0Playing now: 0$0.99