
When a virus makes robots go rogue, you and your squad are sent in to take back control of the situation by taking on endless waves of increasingly violent synths. Go now mercenaries! Execute .synth_protocol.
60+ similar titles based on shared tags and player behavior. Themes include Action, FPS, Indie, Shooter.

When a virus makes robots go rogue, you and your squad are sent in to take back control of the situation by taking on endless waves of increasingly violent synths. Go now mercenaries! Execute .synth_protocol.

REPLICORE
Replicore is a 1-4 player co-op shooter where you transform into the spherical Core: roll through tunnels, dash between cover, and launch your teammates at enemy robots for explosive takedowns. The shapeshift shooter with cooperative mobility.

WANTED: Yokai Uprising
Wanted: Yokai Uprising is a cooperative first-person shooter. Take down waves of yokai solo or with a partner. Choose between two mercenaries with unique play styles to complete the mission assigned to you and defeat the city's most wanted boss.
Replicore is a 1-4 player co-op shooter where you transform into the spherical Core: roll through tunnels, dash between cover, and launch your teammates at enemy robots for explosive takedowns. The shapeshift shooter with cooperative mobility.
Why similar: Online Co-Op 31.1%, FPS 25.6%, PvE 17.3%, Action 7.3%, Shooter 7.1%
Wanted: Yokai Uprising is a cooperative first-person shooter. Take down waves of yokai solo or with a partner. Choose between two mercenaries with unique play styles to complete the mission assigned to you and defeat the city's most wanted boss.
Why similar: Online Co-Op 32.8%, FPS 28.3%, PvE 15.9%, Shooter 9.8%, Action 6.2%
First / third person multiplayer shooter with single and multiplayer AI bots and monster, premade and procedural environments.
Why similar: FPS 31.7%, Online Co-Op 24%, PvE 12.9%, Shooter 11.7%, Action 7.4%
ASTRAL is a first-person shooter set in a futuristic universe. Embody a GRD robot and engage adversaries in dynamic environments, spanning Earth and Off-World locations. Utilize comprehensive weapon customization to craft your personalized loadout, preparing you for intense kinetic action.
Why similar: FPS 28.7%, PvE 19.8%, Robots 14.2%, Shooter 10.6%, Physics 6%
Cut through fungal aliens in this hyper-customizable, mission based looter shooter. Hundreds of hand-crafted upgrades, 4-player co-op, and a little roach man. What’s not to love?
Why similar: Online Co-Op 30.2%, FPS 26.3%, PvE 13.8%, Shooter 9.6%, Funny 7.7%
A co-op game about exploring dangerous planets with your teammates, collecting and selling scrap metal to survive from the corporation. Assemble your own robot to help your team in your own way. Never be a “rusty coffin”.
Why similar: Robots 22.2%, FPS 21.6%, Online Co-Op 17.8%, PvE 16.2%, Shooter 9.1%
Rocket Bots is a fast-paced FPS where you destroy waves of hacked robots in simple compact arenas. Build custom ones via Steam Workshop and fight for divine glory.
Why similar: FPS 34.5%, Robots 28%, Shooter 7.6%, 3D 6.7%, Futuristic 6.2%
A co-op experience for 1–4 players. Take on government contracts in a world overrun by combat robots. Explore, gather resources, and keep your base operational at any cost!
Why similar: Online Co-Op 27.7%, Robots 23.4%, Party Game 19.7% ★, Funny 9.7%, PvE 9.2%
Use your FPS expertise and beat it!! The enemy AI in the game will follow the player's behavior and try to surpass you; please do your best to defeat it, it may perform beyond your expectations, and the rest will surpass you!
Why similar: FPS 33.4%, Robots 21.1%, Shooter 17.1%, First-Person 7.9%, Physics 7.3%
Minigame where you have to destroy robots to save the world
Why similar: FPS 31.1%, Robots 29.9%, Funny 15.3%, Shooter 12.8%, First-Person 7.1%
Work for the notoriously stingy DuckTape Inc. Secure runaway anomalies as quickly and cheaply as possible in 1–5 player co-op. Stabilize systems, recover data, haul entities to the helicopter—and try not to become “too expensive.”
Why similar: Party Game 29% ★, Online Co-Op 24.2%, FPS 17.5%, Funny 9.8%, Physics 8.6%
Classic zombie round survival. choose a map and see how many rounds you can survive with friends or alone.
Why similar: Online Co-Op 41.6%, FPS 22.8%, PvE 18.8%, Shooter 11.7%, Action 5.2%
Fight terrorists and robots in this old-school fast paced first person shooter. Grab a friend to help you put an end to their terror with split screen support or each enjoy your own monitor with dual monitor support.
Why similar: FPS 28.5%, Robots 27.2%, PvE 18.2%, Shooter 8.9%, Futuristic 5.6%
Spellers is a 2v2 game where you fight to capture the zone and claim victory. Cast Spells by typing their names on your keyboard : speed and accuracy are key ! Master over 15 Spells, customize your wizard, and dominate the zone.
Why similar: Online Co-Op 31.3%, FPS 17.8%, PvE 14.2%, Funny 9.1%, Shooter 8.6%
Chained Together Crossing is a Co-op game where you and up to 4 friends are handcuffed and have to get to the other side of the street. Levels get progressively more difficult, and sanity will be lost.
Why similar: Online Co-Op 35%, Party Game 31.8% ★, Physics 10.8%, Funny 9.2%, Action 5.3%
Light it up in CHARGE!, the laser tag-inspired sport of the future! Let loose in arena-style first-person shooter action to bounce around buildings, modify your laser weapons to bend light, and take on your friends in quick matches for territory dominance.
Why similar: Online Co-Op 31.5%, FPS 26.2%, Robots 12.9%, Shooter 9%, Futuristic 5.7%
A first person shooter and tower defense blend where players defend against waves of robots. Play alone or with friends to design paths, build towers, and upgrade weapons to protect key areas!
Why similar: Online Co-Op 24.6%, FPS 21.6%, PvE 14.1%, Robots 14.1%, Futuristic 7.5%
Guardians Frontline is a sci-fi VR shooter that makes you a soldier and a commander. Fight off enemies and build bases in a single-player and co-op campaign, plus PvP game modes with full cross-play support.
Why similar: Online Co-Op 24.1%, FPS 20.3%, Robots 19%, PvE 13.5%, Futuristic 7.3%
Fullsenders is a 1-4 player co-op movement shooter based in an AI-overrun world... Master fast, fluid movement and advanced shooting to destroy take back the world. Gather resources, complete objectives and extract to level up and upgrade your Fullsender... Just do it before night time comes.
Why similar: FPS 20.6%, Online Co-Op 18.2%, PvE 15.7%, Funny 11.2%, Futuristic 9.6%
PINZ is a co-op action game about penguins who take care of all the eggs in the universe — even alien ones. Can you find them all and escape the planet before hordes of monsters destroy your ship?
Why similar: Online Co-Op 32.9%, Party Game 32.4% ★, FPS 11.6%, PvE 9.7%, Funny 9.2%
HAM is a chaotic co-op factory management game where you and your friends struggle to fulfill endless orders while everything falls apart around you. Work together to survive the corporate grind, or watch your careers go up in smoke when the HAM hits the fan.
Why similar: Party Game 34.2% ★, Online Co-Op 28.8%, Physics 13%, Funny 11.8%, First-Person 6.6%
Team up with up to 3 friends in online co-op to breach 10 ultra-realistic login screens with Physics-Driven Cursors! To unlock the final mini game, you must use fectly log into 10 fictional online services without a single mistake. Do you ready to get stuck at the login page???
Why similar: Party Game 44.5% ★, Online Co-Op 19.7%, Funny 15.9%, Physics 10.9%, Action 8.9%
In a survival struggle, take on roles of three unique classes, gather resources, evade horrifying creatures, and protect the Sanctuary in a world filled with mysterious events. Explore the open world with vehicles and engage in strategic cooperation.
Why similar: Online Co-Op 30.8%, FPS 18.8%, Robots 17.9%, PvE 14%, Futuristic 6.7%
CATACLYSM: Even Angels Sin is an FPS Bullet Hell with UNLIMITED movement. Breach the Sinner's Paradise as the Heaven Breaker and reclaim the divine realm from hordes of false Angels.
Why similar: FPS 37.7%, PvE 26.1%, Shooter 14.3%, First-Person 7.2%, Action 6.3%
A spooky teddy bear first-person shooter where you defend your owner from waves of her nightmares. Play solo or join your friends in up to 4 player online co-op.
Why similar: FPS 22.5%, Online Co-Op 18%, PvE 17.1%, Funny 11.5%, Shooter 9.8%
Crooked Cooks is a chaotic co-op game where you and your crew run a restaurant as a front for the Boss’ criminal jobs, mixing fast-paced cooking with shady business.
Why similar: Online Co-Op 35.9%, Party Game 34% ★, Funny 11.3%, Physics 6.1%, Action 4.7%
A wave-based FPS for 1–4 players, made with passion by one dude! Pick your load out, mow down hordes, Roast Mr Hotdog and earn cash. Spin Vegas-style slots (random box) between waves for upgrades, compete for the best score, and see if your luck (and skill) can keep you standing. Can you survive?
Why similar: Online Co-Op 27.2%, FPS 22.5%, PvE 17.4%, Shooter 9.8%, Character Customization 7.5%
Tower of Portal is a little Indie FPS Shooter, where you control a soldier with the mission to destroy the AI Central Computer that controls the machines spreads in the city. Your mission is avoid this domination through the machines.
Why similar: FPS 33.7%, PvE 17.1%, Shooter 15.9%, Futuristic 13.2%, Action 10.8%
Postal Party is a chaotic multiplayer physics-based mail sorting party game for 1 to 4 players. Working together as an elite team of mail-bots scrambling to deliver parcels, dodge disasters, and somehow deliver on time.
Why similar: Party Game 38% ★, Robots 17.8%, Funny 8.8%, PvE 8.7%, Action 7.2%
Drunk Mages is a co-op game. Players are drunk wizards trying to brew potions. Being drunk makes things a bit harder. Each level has its own unique design and different challenges that must be completed.
Why similar: Online Co-Op 35.4%, FPS 23.9%, Party Game 17.5% ★, PvE 10.8%, First-Person 5.9%
Shotgun Farmers is the multplayer shooter where missed shots grow guns. Fire your bullets into the ground to plant your ammo. The longer a gun plant grows the more ammo you will get!
Why similar: Online Co-Op 21.8%, FPS 21.5%, Funny 12.1%, PvE 11.9%, Shooter 9.8%
Participate in chaotic testing sessions with up to eight players where you'll work together to solve a wide variety of randomized tasks while navigating hindering conditions. Prove to your creators that you're not just functional — you're exceptional.
Why similar: Online Co-Op 38.7%, Party Game 37% ★, Robots 15.1%, First-Person 3.5%, 3D 2.9%
The doom of humanity arrives as chemists and scientists experiment with the genetic codings and structurings of all living things, ending up with unwanted infiltrators smuggling into the secret premises, obtaining the powerful genetic-altering chemical mixture that leads to ultimate terrorism.
Why similar: Online Co-Op 27.7%, FPS 26.7%, PvE 22.2%, Shooter 11.2%, First-Person 6.8%
Pair A Dice is a Co-Op Dice Roller where you harness the power of magic dice to create enemies, craft items, and defeat bosses!
Why similar: Online Co-Op 40.1%, PvE 22.7%, Funny 11.5%, Physics 8.4%, First-Person 7.3%
You and your friends are in trouble. Big trouble. You’ve accidentally killed someone, and now you have to get rid of the evidence. "We Are So Cooked" is a 1-4 player co-op physics-stealth game where the objective is simple: Get the body to the exit. The execution? That’s the hard part.
Why similar: Online Co-Op 36.4%, Party Game 28.9% ★, Funny 18.5%, Physics 12.9%, 3D 2.2%
Make cute things cry!
Why similar: FPS 34.1%, Robots 27.1%, Shooter 13.6%, Futuristic 7.5%, Action 6.1%
PROTOCORE is a 1-4 player co-op shooter. 200% more guns! 200% more fun! 999% more brain! Shoot your way through a gigantic spaceship full of deadly robots and face an Artificial Intelligence that is learning from your actions.
Why similar: Online Co-Op 25.2%, Robots 24%, FPS 19.6%, PvE 12.6%, Shooter 8.5%
Beat A Boo is an online co-op horror game up to 4 players with a little touch of music. Find evidences, deal with monsters, capture the ghosts of the damned and survive at all costs.
Why similar: Online Co-Op 39.9%, FPS 19.1%, Physics 13.2%, Funny 13.1%, Action 5.3%
Step into a world over run with Mycha, a strange mineral with seemingly magical powers. Clear monster-infested environments and protect researchers on your own or with up to three other players online. Welcome to The Federation.
Why similar: Online Co-Op 30.7%, FPS 24.4%, PvE 17.2%, Shooter 11.2%, Futuristic 9%
Robust action packed Co-Op Shooter, offering tight Gunplay and Dope to obliterate waves of enemies. Ravage through the Beautiful levels which tell a story of its own. So get your Friends along and lets Dope some Baddies!!
Why similar: Online Co-Op 32.9%, FPS 16.3%, PvE 12.8%, Shooter 11.6%, Funny 9.4%
Killfest is a fast-paced arcade FPS that fuels your adrenaline rush! Shoot and slice your way through the pit by yourself or with friends! Think fast and coordinate your assault as you progress though waves of unique and challenging foes.
Why similar: Online Co-Op 28.3%, FPS 19.2%, Robots 18.9%, Shooter 10.2%, PvE 6.5%
A co-op survival horror shooter against an AI that learns from your actions. It grows more dangerous, relentlessly hunts you, and turns mistakes into deadly traps. Hide, hack security systems, and work together to survive.
Why similar: Online Co-Op 28.4%, Robots 24.3%, FPS 20.1%, PvE 11.6%, Shooter 8.1%
This is an arena FPS set in a futuristic setting in which the objective is to decimate armies of robots.
Why similar: FPS 28.1%, Robots 23.7%, Shooter 14.5%, PvE 10.1%, Action 9.3%
🐸 Storm The Sewers for the glory of the Swamp King! Swing, jump, catapult your friends, and eat eat EAT until you grow into a humongous Megafrog. A co-op extraction puzzle-platformer for up to 8 players. Squad up with your frog friends for a friendslop party in this slapstick physics adventure! 🐸
Why similar: Online Co-Op 31.8%, Party Game 24.1% ★, Funny 11.7%, PvE 10.5%, Physics 10.2%
Fight for survival! Industrial waste has disturbed the dangerous Kaeru-tori's habitat, forcing them into the city. Unlock new areas, purchase weapons and upgrades to grow stronger, and fight off the horde with your friends!
Why similar: FPS 27.9%, PvE 20.1%, Online Co-Op 16.6%, Shooter 11.3%, Futuristic 7.4%
DEEPWATER is a frantic, hardcore 4 player co-op shooter where teamwork, quick thinking, and skill are required to survive. Scavenge tools and supplies while attempting to complete the mission assigned to your team while everything is trying to kill you.
Why similar: Online Co-Op 41%, PvE 20.1%, FPS 11.1%, First-Person 7.4%, Action 6.1%
A short single player fps shooter game. Simply take your weapon and make it to the end. Enjoy the chaos and action.
Why similar: FPS 36.3%, PvE 24.9%, Shooter 13.3%, Futuristic 7.2%, First-Person 6.6%
Control a Nanite body from a space station to gather Nanite resources on Earth, seized by a rogue AI. Build and fortify your dropbase with turrets and defenses, fight waves of robotic enemies, and collect Nanites for extraction, balancing fast FPS combat with strategic tower placement.
Why similar: FPS 24.6%, Robots 19.9%, Shooter 12.8%, Online Co-Op 9.1%, Action 8.5%
A survival shooter with story elements where you explore a hostile alien world after crash-landing your spaceship. Complete quests and gather the resources needed to escape.
Why similar: FPS 36.8%, PvE 25.5%, Shooter 13.7%, Futuristic 5.8%, Action 5.8%
A first-person shooter where extraction meets horror. Navigate a procedurally generated maze, experience a liberating story, and fight unspeakable horrors. Escape with the pillages of war or become another victim in this heart-pounding journey.
Why similar: Online Co-Op 27.9%, FPS 23.3%, Robots 16.4%, PvE 14.1%, Shooter 7.1%
Description: in 1935, the leadership of the USSR decided to build a new reservoir in one of the regions of the republic. Almost all people left villages and towns, but some refused to leave their homes.
Why similar: FPS 42.5%, PvE 28.1%, Shooter 14.8%, Action 8.4%, 3D 6.2%
Humanity’s Sun is destabilising. Worlds are on fire. A Solar-wide evacuation has begun. Earth’s military force—The Lunar Corps—prepares the colonisation of our new star system: Arcadia. But rising distress calls and radio silence hint at an unseen enemy lurking in the shadows...
Why similar: Online Co-Op 28.6%, FPS 19.7%, PvE 15.6%, Shooter 9.5%, Futuristic 9.1%
You and up to 4 players are victims of a horror show, having to collaborate to solve multiple puzzles and use cooperative dynamics to find your way out, while surviving the creatures lurking around, hunting you, watching out for haunted events that can be a blessing or a bane for your survival.
Why similar: Online Co-Op 37.3%, Party Game 35.4% ★, Funny 9%, Action 4.7%, First-Person 4.7%
A chaotic co-op delivery game about traversal and teamwork. Get a shared payload through hostile environments while navigating terrain hazards, managing limited resources, and dealing with enemies along the way. AND DONT FALL OVER!
Why similar: Online Co-Op 31.4%, Party Game 28.3% ★, PvE 12.4%, Physics 8.8%, Character Customization 6.6%
A chaotic multiplayer party game where players compete in fast-paced mini-games, only to receive hilarious debuffs chosen by other players at the end of each round. Victory has never been so humiliating!
Why similar: Party Game 38.2% ★, Online Co-Op 29.2%, Physics 11.5%, Funny 10.5%, Action 5.6%