Games Like Alien Swarm: Reactive Drop

Co-operative multiplayer game and complete code base available for free.

Why similar: Co-op 18.2%, Aliens 17.3%, Top-Down Shooter 12.2%, Class-Based 10.2%, Shooter 7.8%

Why You'll Like It: As the official predecessor to Reactive Drop, it delivers the exact same top-down, squad-based alien extermination action.

HELLDIVERS™ is a hardcore, cooperative, twin stick shooter. As part of the elite unit called the HELLDIVERS, players must work together to protect SUPER EARTH and defeat the enemies of mankind in an intense intergalactic war.

Why similar: Twin Stick Shooter 33.9%, Top-Down Shooter 24.5%, Co-op 21.6%, Sci-fi 7.2%, Top-Down 6.6%

Why You'll Like It: Shares the same top-down, twin-stick cooperative shooter DNA with a heavy emphasis on squad tactics and chaotic alien slaughter.

Experience the explosive science fiction arcade-shooter that resurrects a much revered franchise in an epic single player and co-op multiplayer campaign.

Why similar: Aliens 23.3%, Shooter 12.6%, Twin Stick Shooter 12.5%, Co-op 11.9%, Top-Down 11.1%

Why You'll Like It: Features similar isometric sci-fi horror gameplay where you fight off hordes of terrifying alien creatures in cramped corridors.

Can you survive the alien onslaught? Gamers across the world will now have a chance to play the next chapter in this high-budget, high-quality series.

Why similar: Aliens 22%, Twin Stick Shooter 15.3%, Shooter 14.2%, Co-op 12.7%, Top-Down Shooter 12%

Why You'll Like It: Continues the isometric alien-blasting action with intense cooperative and single-player bug hunts.

Experience the final explosive chapter in the Alien Breed series and uncover the horrifying truth surrounding the existence of the Breed. Launch discount good thru Nov. 24 10am PST.

Why similar: Twin Stick Shooter 21.7%, Aliens 19.7%, Top-Down Shooter 15.4%, Co-op 10.1%, Shooter 10%

Why You'll Like It: Pulls you back into the claustrophobic sci-fi tunnels for more top-down tactical shooting against alien threats.

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.

Why similar: Top-Down Shooter 42.6%, Co-op 21.7%, Shooter 14.6%, Top-Down 12%, Sci-fi 4.8%

Why You'll Like It: Provides a similar top-down, class-based shooting experience focused on upgrading gear to survive massive hordes.

Aliens: Fireteam Elite is a cooperative third-person survival game set in the iconic Alien Universe. Battle through hordes of different types of Xenomorph, customize your character and gear, and level-up as you try to contain this ever-growing threat.

Why similar: Aliens 24.7%, Third-Person Shooter 22.9%, Co-op 17.7%, Shooter 12.1%, Sci-fi 9.3%

Why You'll Like It: Translates the cooperative bug-hunting panic into a third-person perspective while keeping the squad-based combat intact.

Starship Troopers: Extermination is an up to 16-player co-op FPS that puts you on the far-off frontlines of an all-out battle against the Bugs! Squad up, grab your rifle, and do your part as an elite Deep Space Vanguard Trooper to take back planets from the Arachnid threat!

Why similar: Class-Based 24.1%, Aliens 20%, Co-op 12.9%, PvE 10.4%, Sci-fi 9.3%

Why You'll Like It: Exchanges the top-down view for a first-person perspective but captures the exact same frantic cooperative bug-hunting chaos.

Shadowgrounds breathes fresh air into the action genre with explosive combat sequences, an innovative weapon upgrade system, and an intriguing storyline. The adrenaline-pumping, top-down gameplay and audiovisual fireworks set the scene for this new action experience which also includes single computer (split keyboard or joystick) co-op...

Why similar: Aliens 21.4%, Top-Down Shooter 20.6%, Twin Stick Shooter 18.3%, Sci-fi 9.6%, Shooter 7.8%

Why You'll Like It: A classic top-down sci-fi shooter that matches the lighting, atmosphere, and frantic alien-killing action of Alien Swarm.

Codename CURE is a first person, co-operative zombie game with support for up to five players, providing dynamic, fast-paced zombie fragging with both objective, and survival-based missions.

Why similar: Class-Based 25.6%, Moddable 25.2%, Co-op 12.5%, Shooter 12.2%, PvE 10.1%

Why You'll Like It: A cooperative first-person shooter that shares the objective-based, tactical squad survival elements of Alien Swarm.

Face the varied challenges of the Machine God Zir in ARENA, a standalone expansion for Synthetik: Legion Rising! Leverage the next level in gun-play and experiment with powerful tech in varied action packed Arenas!

Why similar: Top-Down Shooter 47.8%, Co-op 33.6%, Shooter 11.6%, Top-Down 7%

Why You'll Like It: Delivers tight, tactical top-down gunplay with deep mechanics that will appeal to fans of precise isometric shooters.

Barotrauma is a 2D co-op submarine simulator – in space, with survival horror and RPG elements. Steer your submarine, complete missions, fight monsters, fix leaks, operate machinery, man the guns and craft items, and stay alert: danger in Barotrauma doesn’t announce itself!

Why similar: Co-op 44.8%, Moddable 38.1%, Sci-fi 17.1%

Why You'll Like It: Offers intense cooperative submarine survival where crew coordination and class roles are just as vital as shooting monsters.

Sven Co-op is a co-operative game originally based around Valve Software's Half-Life. In this game players must work together against computer controlled enemies and solve puzzles as a team.

Why similar: Moddable 27.1%, Co-op 20.2%, PvE 15.3%, Shooter 14.3%, Third Person 13.6%

Why You'll Like It: Captures the classic cooperative team-building spirit of Valve's older multiplayer ecosystem.

The chances of you surviving this all out war of society and the undead are slim to none. Already, there are millions of the walking dead shambling about, searching for food to eat. There's no known cure. One bite can possibly end it all for you. However, you aren't alone in this nightmare.

Why similar: Co-op 57%, Shooter 23.4%, First-Person 19.6%

Why You'll Like It: Emphasizes the gritty, realistic cooperative survival and communication needed to make it out alive.

Thunder Tier One is a realistic top-down shooter where you join an elite special operations team tasked with stopping a dangerous terrorist organization wreaking havoc across the fictional Eastern European country of Salobia.

Why similar: Moddable 20.8%, Top-Down Shooter 17.5%, Tactical 12.1%, Co-op 10.3%, PvP 8.5%

Why You'll Like It: Provides a top-down tactical perspective where squad positioning and careful planning are paramount.

Dive into the zombie apocalypse with Zombie Panic! Source: a cooperative, survival-horror first-person-shooter. A fast-paced standalone modification.

Why similar: Co-op 42.7%, Shooter 23.9%, First-Person 18.8%, PvP 14.6%

Why You'll Like It: Another team-oriented cooperative experience where working together is your only chance against overwhelming threats.

Welcome, trainee! Use tactics and special equipment to become a true cop in the free version of Police Stories: The Academy. Neutralize criminals, search for clues and find a "rat" in the police station alone or in co-op with a partner.

Why similar: Top-Down Shooter 24.1%, Level Editor 20%, Tactical 13%, Shooter 12.3%, Top-Down 10.8%

Why You'll Like It: A top-down tactical shooter that tests your situational awareness and room-clearing coordination.

A fast paced multiplayer shooter that pits aliens against humans in a strategic and action-packed struggle for survival!

Why similar: Aliens 29.4%, Moddable 21.5%, Sci-fi 15.4%, Co-op 10.6%, Tactical 9.9%

Why You'll Like It: Combines asymmetrical team-based strategy with intense shooter combat reminiscent of fighting alien swarms.

Deep Rock Galactic is a 1-4 player co-op FPS featuring dwarven space miners, procedurally-generated destructible environments, and endless hordes of alien monsters. Explore cave systems, mine for minerals, and work together to survive!

Why similar: Class-Based 30.9%, Co-op 21.1%, PvE 14.7%, Shooter 10.6%, Sci-fi 8.7%

Why You'll Like It: The ultimate cooperative bug-hunting experience, pairing class-based teamwork with endless waves of hostile alien creepy-crawlies.

Carefully designed, beautifully remastered, and loaded with new ways to play—Risk of Rain is back and better than ever! Dive into the iconic roguelike full of unique loot combinations, enhanced with new Survivors, overhauled multiplayer, fan favorite content from Risk of Rain 2, and more!

Why similar: Class-Based 34.6%, PvE 24.5%, Sci-fi 16.8%, Co-op 15.2%, Combat 9%

Why You'll Like It: A masterclass in 2D action-platforming that captures the frantic, escalating chaos of fighting endless hordes of monsters with friends.

HELLFRONT is an intense top-down shooter. Conquer ground, build a base, and command your troops in battle! Play PvP or beat the campaign co-op or solo.

Why similar: Twin Stick Shooter 21.3%, Top-Down Shooter 19.6%, Aliens 16.7%, Co-op 10.8%, PvP 9.9%

Why You'll Like It: A fast-paced top-down action game featuring explosive combat against swarming alien-like entities.

Survival horror MMO. As one of the few survivors of the outbreak, you must scratch a living out of the decaying ruins of society. Scavenge for supplies, improve your skills, and trade with other players. All the while, keeping your eyes peeled for the infected lurking around every corner.

Why similar: Third-Person Shooter 68.8%, PvE 31.2%

Why You'll Like It: Focuses on surviving terrifying hordes in dark environments, appealing to fans of tense cooperative horror.

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.

Why similar: Twin Stick Shooter 31.8%, Top-Down Shooter 24.1%, Shooter 14.8%, Top-Down 13.5%, Co-op 11.3%

Why You'll Like It: A classic twin-stick shooter that epitomizes the pure, unadulterated joy of surviving massive top-down swarms.

The Ascent is a solo and co-op Action-shooter RPG set in a cyberpunk world. The mega corporation that owns you and everyone, The Ascent Group, has just collapsed. Can you survive without it?

Why similar: Top-Down Shooter 33.7%, Twin Stick Shooter 27.9%, Co-op 19.9%, Shooter 13.4%, PvE 5.1%

Why You'll Like It: An isometric cyberpunk action-RPG with twin-stick shooting mechanics that mirror the intense combat density of Alien Swarm.

A co-op horror about scavenging at abandoned moons to sell scrap to the Company.

Why similar: Co-op 29.9%, Aliens 26.2%, First-Person 15.5%, PvE 15.2%, Sci-fi 13.2%

Why You'll Like It: A cooperative survival game where scavenging dark, monster-infested complexes requires tight squad coordination and nerves of steel.

RUINER is a brutal action shooter set in the year 2091 in the cyber metropolis Rengkok. A wired psychopath lashes out against a corrupt system to uncover the truth and retrieve his kidnapped brother under the guidance of a secretive hacker friend.

Why similar: Twin Stick Shooter 38.2%, Top-Down Shooter 33.1%, Sci-fi 9%, Shooter 7.6%, Top-Down 7%

Why You'll Like It: A brutal, fast-paced top-down shooter focusing on aggressive positioning and overwhelming firepower.

SYNTHETIK is an unforgiving tactical shooter rogue-lite where freedom and experimentation is key. Fight in a world overrun by the Machine Legion and their Gods. Experience the next level in gun-play and dive into unparalleled build options and Android upgrades. Can you defeat the Heart of Armageddon?

Why similar: Top-Down Shooter 42.4%, Twin Stick Shooter 25.2%, Co-op 12.5%, Shooter 8.4%, Top-Down 5.9%

Why You'll Like It: A deep, tactical top-down shooter featuring rewarding weapon mechanics and challenging cooperative gameplay.

With science as your super power, charge up your coils and zap into action! Tesla Force is a rogue-lite top-down shooter featuring endless procedural gameplay with tentacle splitting action. Play as Tesla, Curie, Lovecraft and Shelley and blast the cosmic horror back into the galactic abyss!

Why similar: Top-Down Shooter 42.2%, Top-Down 22.2%, Shooter 21.1%, Sci-fi 14.6%

Why You'll Like It: A chaotic top-down roguelite shooter where you blast through hordes of monstrous aberrations and aliens.

Nation Red is an ultra fast infinite play arena-based shooter providing an exceptional close-quarter battlefield experience. Fight thousands of zombie mutants and their bosses in frantic bloody gameplay while earning close to 100 perks. Fight in Barricade, Survival or Free Play mode.

Why similar: Top-Down Shooter 41.2%, Twin Stick Shooter 36.7%, Co-op 14.1%, Top-Down 8.1%

Why You'll Like It: A frantic top-down shooter dedicated entirely to holding off overwhelming waves of enemies with heavy firepower.

CS2D is a free fast-paced top-down multiplayer shooter. Featuring many different game modes, a built-in map editor and much more.

Why similar: Top-Down Shooter 45.9%, Shooter 37.4%, Top-Down 11.4%, Co-op 5.3%

Brain / Out is a multiplayer shooter with a nostalgic post-Soviet feel. Experience dynamic battles and exterminate your enemies with a large arsenal of modern weaponry. Lock'n'load!

Why similar: Shooter 74.1%, Co-op 25.9%

Isometric. Massively Multiplayer. Capture The Flag. Skirmish. Bug Hunt. And more. Welcome to FreeInfantry - the world's first massive multiplayer online isometric shooter.

Why similar: Twin Stick Shooter 24.7%, Top-Down Shooter 17.4%, Aliens 16.7%, Shooter 9%, Tactical 7.9%

Onraid is a challenging 2D shooter game, where you are free to develop your own play style and tactics to destroy your enemies.

Why similar: Co-op 51%, Shooter 49%

Multiplayer based, first person enabled, action packed and skill demanding shooter set in the Wild West times. A unique combination of non stop action and slow but powerful weaponry.

Why similar: Co-op 24.3%, PvP 23%, PvE 21.2%, Shooter 18.5%, First-Person 13%

Deadswitch 3 is a fast-paced 2D multiplayer shooter. Experience action-packed combat with hundreds of weapons and multiple solo and team-based game modes.

Why similar: PvP 28.8%, Shooter 26.5%, Tactical 22.1%, Co-op 14%, Combat 8.7%

TE120 is a short single player experience set in the Half-Life Universe featuring a gravity defying weapon that allows you to jump buildings and sustain large falls. The story takes place at a mysterious date & location. Where are you? Why have you been sent?

Why similar: Shooter 46%, First-Person 26.1%, Sci-fi 17%, Co-op 10.9%

Rescue hostages, disarm bombs and save the day in this old school, side-scroller action game with retro graphics and retro sensibilities. Online and Couch Coop Included.

Why similar: Level Editor 39.9%, Tactical 22.3%, Co-op 20.9%, Shooter 16.9%

Teeworlds is a free online multiplayer game, available for all major operating systems. Battle with up to 16 players in a variety of game modes, including Team Deathmatch and Capture The Flag. You can even design your own maps!

Why similar: Level Editor 39.7%, Shooter 24.7%, Co-op 23.7%, PvP 11.9%

Awaken as an unstoppable warrior and battle alongside your friends in this story-driven free-to-play online action game

Why similar: Third-Person Shooter 39%, Third Person 18.4%, Co-op 13.2%, PvE 10.9%, Shooter 9.4%

Grab a weapon, demolish your enemies, level up, become more powerful, let the gore flow, let the limbs fly. BrainBread 2 introduces a zombie fps mixed with RPG / Arcade elements, the game is very action-packed and generally fast-paced.

Why similar: Co-op 49.1%, Shooter 31.3%, First-Person 19.6%

AirMech® Strike is a fast paced Action-RTS game that can be played solo, coop, or competitively online. Earn Kudos and Experience in battle and unlock a wide collection of AirMechs and Units while you practice the perfect strategy to emerge victorious!

Why similar: Co-op 32.3%, PvP 26.9%, Sci-fi 22.7%, Shooter 18.1%

From Space is a solo and co-op action-shooter for squads up to four players. Take on the challenge of liberating the earth from an alien infestation with your friends, using over-the-top weaponry in a post-apocalyptic world with awesomely stylized graphics. The apocalypse has never been so much fun!

Why similar: Twin Stick Shooter 32.3%, Top-Down Shooter 22.6%, Co-op 16%, Top-Down 10.5%, Shooter 10%

GTFO is a hardcore cooperative horror shooter that throws you from gripping suspense to explosive action in a heartbeat. Stealth, strategy, and teamwork are necessary to survive in your deadly, underground prison. Work together or die together.

Why similar: Co-op 33%, Shooter 22.3%, Tactical 21.2%, PvE 14.2%, First-Person 9.2%

Step into the ultimate three-way war for honor, glory, and gold! This beloved community-driven game brings together swashbuckling Pirates, battle-hardened Vikings, and chivalrous Knights in hilarious and intense class-based combat. Join the fun, embrace the chaos, and fight your way to victory!

Why similar: PvP 40.6%, First-Person 34.7%, Shooter 24.7%

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!

Why similar: Co-op 59.1%, PvP 21.9%, Sci-fi 19%

Star Conflict is an action-packed, massively multiplayer space simulation game that puts players in the role of elite pilots engaging in a widespread interplanetary skirmish. The whole world for PVP and PVE!

Why similar: Aliens 33.8%, PvE 18.5%, Shooter 16.2%, Third Person 16.2%, Sci-fi 15.2%

Hack and slash? Check. Twin-stick-shooter? Check. 4 player coop to slay hordes of aliens & bosses with your friends? Check. Skills, upgrades, weapons, gears, talismans and more to make you stronger? Check. Wake up, bounty hunter. We have a mission for you. Time to clean up the scum of the galaxy.

Why similar: Twin Stick Shooter 33.6%, Top-Down Shooter 30.1%, Co-op 19.9%, Top-Down 9.1%, Sci-fi 7.3%

Escape a chaotic alien planet by fighting through hordes of frenzied monsters – with your friends, or on your own. Combine loot in surprising ways and master each character until you become the havoc you feared upon your first crash landing.

Why similar: Third-Person Shooter 51.6%, Co-op 28.2%, Shooter 10.7%, Third Person 9.5%

FRAG LIKE IT'S 1999! TOXIKK plays as if today's military shooters never existed: Designed as a spiritual successor to the FPS giants of the late 90s and early 2ks, TOXIKK carefully evolves their mechanics with modern technology and fresh ideas elaborated with Arena-FPS enthusiasts.

Why similar: Shooter 43.7%, First-Person 18.6%, Sci-fi 15.6%, Co-op 12.6%, PvP 9.5%

Of Guards and Thieves is a multiplayer stealth game in which high-powered guards face off against fast and elusive thieves in a contest of wits. Outsmarting the enemy and shooting your way through to the goal are equally valid strategies. Simple rules, emergent gameplay and high replayability.

Why similar: Co-op 21%, Top-Down Shooter 20.2%, Shooter 16.3%, Level Editor 15.7%, Top-Down 13.9%

Astral Party is a multiplayer party game populated by cute anime girls! Choose your favorite character, strategize skills & cards, and roll the dice to destroy friendships in this unique board game.

Why similar: PvP 100%

RIFTSTORM is a co-op PvE looter-shooter where squads of Weavers deploy to take on missions, fight escalating hordes, collect powerful weapons and resources, and extract.

Why similar: Twin Stick Shooter 32.8%, Top-Down Shooter 21.6%, Co-op 14.4%, PvE 13.1%, Shooter 9.3%

Dead or Alive? Make up your mind, stranger. We don’t like that undead business here in Louisiana…Survive solo or with friends as you look to fulfill your basic needs of food, water and shelter, crafting your own tools and weapons while you secure your camp and face flesh hungry zombies.

Why similar: Co-op 51.4%, Top-Down Shooter 23.6%, Third Person 15.5%, Shooter 9.5%

Xeno Crisis is an arena shooter in which up to two players take control of battle-hardened marines embarking on a deadly mission to confront an alien menace! Run and gun your way through thousands of adversaries, searching for survivors, and ultimately facing the origin of the outpost's demise.

Why similar: Twin Stick Shooter 29.6%, Top-Down Shooter 20.8%, Aliens 20.1%, Shooter 8.3%, Co-op 7.8%

Cry of Fear is a psychological single-player and co-op horror game set in a deserted town filled with horrific creatures and nightmarish delusions. You play as a young man desperately searching for answers in the cold Scandinavian night, finding his way through the city as he slowly descends into madness.

Why similar: Co-op 61.9%, First-Person 19.1%, Shooter 19.1%

Never Split the Party is an ultra social rogue-like! You're one of four adventurers joining together to explore a procedurally generated dungeon, amass powerful upgrades, and cooperate with your fellow adventures to conquer and crush the evil dungeon champions!

Why similar: Co-op 100%

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.

Why similar: Twin Stick Shooter 30.5%, Top-Down Shooter 21.3%, Aliens 18.1%, Co-op 10.7%, Shooter 8.7%