
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, First-Person, 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.

DuckShot Bros
One duck, one gun, an endless night. Shred ghost-duck swarms, drag five colossal lords off the horizon one by one, and outlast the dawn into a red sky where the real night begins. A first-person horde shooter from a two-person team — solo, or in 3-player online co-op.

They're In The Walls
An online co-op where you and your mates, or whoever you’ve roped in, clear houses of Groblins. Grab ’em with your bare hands, use whatever tools you’ve got, chuck stuff if you have to. Just get it done, get paid a couple of quid, and gear up to do it all again.
One duck, one gun, an endless night. Shred ghost-duck swarms, drag five colossal lords off the horizon one by one, and outlast the dawn into a red sky where the real night begins. A first-person horde shooter from a two-person team — solo, or in 3-player online co-op.
Why similar: Online Co-Op 32.5%, FPS 30%, PvE 17.8%, Shooter 9.1%, Action 6.4%
An online co-op where you and your mates, or whoever you’ve roped in, clear houses of Groblins. Grab ’em with your bare hands, use whatever tools you’ve got, chuck stuff if you have to. Just get it done, get paid a couple of quid, and gear up to do it all again.
Why similar: Online Co-Op 30.8%, Party Game 25.4%, PvE 15.8%, First-Person 7.2%, Physics 6%
First / third person multiplayer shooter with single and multiplayer AI bots and monster, premade and procedural environments.
Why similar: FPS 32.4%, Online Co-Op 23.4%, PvE 12.5%, Shooter 11.9%, Action 7.6%
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 32.1%, FPS 29.1%, PvE 15.4%, Shooter 10.1%, Action 6.4%
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 29.9%, FPS 25.3%, PvE 16.8%, Shooter 7.9%, Action 6.2%
Build a ridiculous game with your friends in minutes, then jump in and play it together. Draw the weapons & items, record the sound effects, draw the world, modify the rules and see what kind of cursed game your group creates.
Why similar: Online Co-Op 22.8%, Party Game 22.6%, FPS 17.9%, Funny 8.5%, Physics 7.2%
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 29.2%, PvE 19.1%, Robots 14.4%, Shooter 10.8%, Physics 5.9%
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 31.2%, FPS 25%, PvE 14.8%, Shooter 9.1%, Funny 7.3%
PvP magic spells drawing game. Whatever you draw, becomes real. Use drawn spells to fight each other. There is a magic spells book where you can see over 40+ available spells. You can play teams mode (your friends vs other groups), or solo mode (you vs randoms).
Why similar: Online Co-Op 25.9%, FPS 17.1%, Party Game 12.6%, Funny 11.2%, Physics 11%
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 22.5%, FPS 22.1%, Online Co-Op 17.3%, PvE 15.7%, Shooter 9.3%
In this 4-8 player chaos, use the Lasso to drag your teammates into pits and the Tornado to send everyone flying in every direction! Complete tasks and stay alive—or play as the Impostor and sabotage the team. No voting, no meetings; just direct execution, and everyone has that power.
Why similar: Party Game 22.8%, Online Co-Op 21.5%, FPS 17%, Robots 10.3%, PvE 9.4%
A co-op zombie horde shooter set in a West Yorkshire town gone very, very wrong. Fight off waves of the undead, collect coins, buy bigger weapons, and uncover the dark secret rotting at the heart of Brumley. Up to 8 players. No survivors expected.
Why similar: Online Co-Op 33.6%, FPS 18.6%, PvE 15.2%, Funny 9.3%, Shooter 8.1%
Rocket Bots is a fast-paced arena shooter where you blast through escalating waves of killer machines. Master a brutal arsenal, survive solo or in Steam co-op, climb the damage leaderboard, and push deeper into the swarm.
Why similar: FPS 34.8%, Robots 28%, Shooter 7.7%, 3D 6.6%, Futuristic 6.2%
Pistol House is a fast paced sci-fi roguelike FPS. Build your power through cards, enhance your gun, and command a spirit companion as you battle relentless, ever-growing mechanical hordes.
Why similar: Online Co-Op 29.2%, FPS 28%, PvE 16.2%, Shooter 7.8%, Futuristic 6.3%
Minigame where you have to destroy robots to save the world
Why similar: FPS 31.4%, Robots 29.9%, Funny 15.2%, Shooter 12.9%, First-Person 7%
Fight as Talon 13-10 in this FPS roguelite adventure set on a fallen Earth. Combine weapons, augments, and elements to forge devastating builds, and blast through Monarch’s endless machines. Grow stronger each run, solo or with friends.
Why similar: Online Co-Op 29.5%, FPS 21.7%, Robots 13.1%, PvE 13.1%, Shooter 7.8%
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 33.6%, Robots 21.1%, Shooter 17.3%, First-Person 7.8%, Physics 7.1%
A co-op adventure game. The mafia wants to get rid of a body. You’re construction workers. Your job: carry a body bag to the top of a skyscraper. Bury it in concrete. Two problems. First: You have to build the way up. Second: The body’s not dead. It fights back.
Why similar: Online Co-Op 24.3%, Party Game 21.2%, FPS 14.9%, Funny 11.4%, Physics 8.8%
A 1–4 player co-op fantasy extraction dungeon crawler where teamwork, greed, and survival determine whether you escape with your loot—or lose it all.
Why similar: Online Co-Op 27.2%, FPS 19.9%, Party Game 19.3%, Funny 13.7%, PvE 11.5%
TECTON is a sci-fi bullet hell FPS set in a metropolis turned machine fortress. Control a powerful robotic body as you dodge relentless projectiles and tear through enemy strongholds on your mission to confront TECTON, the force behind the city’s downfall.
Why similar: FPS 27.8%, Robots 26%, Shooter 13.3%, Futuristic 11.7%, Action 7.3%
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 28.9%, Robots 27.3%, PvE 17.5%, Shooter 9%, Futuristic 5.6%
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 27.9%, Robots 24.5%, Party Game 17.8%, Funny 10%, PvE 9.1%
Classic zombie round survival. choose a map and see how many rounds you can survive with friends or alone.
Why similar: Online Co-Op 40.7%, FPS 23.4%, PvE 18.3%, Shooter 12.3%, Action 5.4%
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%, FPS 22.1%, Robots 14.3%, PvE 13.6%, Futuristic 7.6%
Your friends are bagging over $15M in cash, but you’re here to ruin the score. Sabotage their heist at any cost while surviving lethal random events.
Why similar: Party Game 27.4%, FPS 17.6%, Online Co-Op 14.8%, Funny 12.9%, PvE 11.1%
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 21.1%, Online Co-Op 17.8%, PvE 15.2%, Funny 11.2%, Futuristic 9.7%
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 26.3%, Online Co-Op 24.5%, FPS 18.6%, Funny 10.3%, Physics 8.8%
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 30.7%, FPS 18.3%, PvE 13.8%, Funny 9.2%, Shooter 8.8%
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 34.2%, PvE 16.4%, Shooter 16.2%, Futuristic 13.2%, Action 11%
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 23.6%, FPS 20.8%, Robots 19.3%, PvE 13%, Futuristic 7.4%
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 38.4%, PvE 25.1%, Shooter 14.6%, First-Person 7.2%, Action 6.5%
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 30.2%, FPS 19.3%, Robots 18.3%, PvE 13.6%, Futuristic 6.8%
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 35.1%, FPS 24.8%, Party Game 15.5%, PvE 10.6%, First-Person 6%
Make cute things cry!
Why similar: FPS 34.3%, Robots 27.1%, Shooter 13.7%, Futuristic 7.5%, Action 6.1%
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 35.9%, Party Game 29.2%, Physics 11.3%, Funny 9.7%, Action 5.7%
Become a two-foot-tall teddy bear in this VR wave shooter where you wield homemade weapons, build defences, and protect a little girl from her nightmares. Play solo or online in up to 4 player co-op.
Why similar: Online Co-Op 29.3%, FPS 24.9%, PvE 16.4%, Shooter 9.3%, Character Customization 5.6%
Bloodlit is a hardcore first-person shooter designed to unite slow-paced oppressive survival horror tension with fast-paced reflex-driven close-quarters combat. Carve your path through the blood and ruin. Regret is for the dead.
Why similar: Online Co-Op 31.1%, FPS 27.6%, PvE 17.5%, Shooter 10%, First-Person 5.2%
Gag Order is a co-op horror FPS set within the surreal complex of Ground Zero Laboratories. Play alone or with a squad of up to 4 players. Fight enemies through unpredictable environments and make use of a variety of mechanics. Explore eerie, atmospheric locations.
Why similar: Online Co-Op 25.1%, Party Game 22.8%, FPS 18.9%, PvE 12.4%, Shooter 7.4%
You are brought to another dimension, to help a weak faction fight their aggressive enemy. You will need to upgrade your arsenal and abilities, to take on this task and become victorious.
Why similar: FPS 35.4%, PvE 22.9%, Robots 16.9%, Shooter 13.2%, First-Person 7.2%
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: FPS 22%, Online Co-Op 21.4%, Funny 12.1%, PvE 11.5%, Shooter 10.1%
Defend the indefensible! A chaotic online debate game with proximity voice chat, live approval ratings, and a ravenous audience. Propose absurd topics and influence the room to win votes!
Why similar: Online Co-Op 39.9%, Party Game 25%, Funny 14.2%, First-Person 6.8%, Physics 5.1%
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 23.1%, Online Co-Op 17.6%, PvE 16.6%, Funny 11.6%, Shooter 10.1%
REGENERATE is a co-op horror-comedy game up to 4 players. Scavenge a haunted casino and bet everything you find just to survive another day.
Why similar: Online Co-Op 39.6%, Party Game 21.3%, Funny 16%, Character Customization 7.5%, First-Person 6.5%
Aisle Be Quick is a chaotic first-person co-op party game where up to six players scramble to deliver ingredients to an unpredictable chef. There’s no stockpile, no planning phase, and no safety net - ingredients requests arrive only when orders do, and it’s on you to keep up.
Why similar: Party Game 34.3%, Online Co-Op 29.4%, FPS 20.8%, Physics 6.3%, First-Person 3%
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 26.7%, FPS 23.1%, PvE 16.9%, Shooter 10.1%, Character Customization 7.4%
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: FPS 27.4%, Online Co-Op 27.1%, PvE 21.6%, Shooter 11.5%, First-Person 6.8%
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 41.4%, Online Co-Op 20.5%, Funny 17%, Physics 11.5%, Action 9.8%
Gigils is a fast-paced brawler where cute alien creatures bite, evolve, and fight for control of the battlefield. Choose your Gigil, devour enemies, unlock powerful abilities, and grow into a bigger threat. Play solo or work with your team, capture key locations, and turn the chaos in your favor.
Why similar: Online Co-Op 24.1%, Party Game 23.3%, PvE 12.2%, Funny 10.9%, Physics 7.5%
Can you find the cold-blooded killers who have infiltrated your adorable feline friends? In this 12-player multiplayer game of betrayal, complete missions as an innocent or sabotage systems as a killer, exploiting the chaos to hunt everyone down. Sharpen your claws and survive!
Why similar: Online Co-Op 33.5%, Party Game 21.7%, FPS 18%, Funny 10.6%, Character Customization 5.3%
Choose an expedition, mine rocks, and don't forget to protect your ship from the void monsters. They won't let you leave without a fight. This is an online co-op game with up to 4 players.
Why similar: Party Game 27.5%, Online Co-Op 21.4%, FPS 20.6%, PvE 12.3%, Funny 8%
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 27.6%, FPS 19.6%, Robots 19.2%, Shooter 10.5%, PvE 6.3%
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 24.5%, Robots 24.3%, FPS 20%, PvE 12.2%, Shooter 8.7%
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 32.2%, FPS 16.7%, PvE 12.5%, Shooter 12%, Funny 9.5%
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%, FPS 25%, PvE 16.6%, Shooter 11.5%, Futuristic 9.1%
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 36.9%, Party Game 31.4%, Funny 11.9%, Physics 6.3%, Action 5.1%