Games Like Alien Swarm

Co-operative top-down shooter game available for free. An epic bug hunt featuring a unique blend of co-op play and squad-level tactics.

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: This community-driven continuation of the seed game builds directly upon its tactical top-down co-op mechanics with new maps, weapons, and game modes.

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: Co-op 30.9%, Online Co-Op 22.1%, Top-Down Shooter 16.4%, Multiplayer 8.5%, Sci-fi 5.7%

Why You'll Like It: It shares the exact same top-down, squad-based sci-fi shooter perspective and heavy emphasis on cooperative tactics against alien hordes.

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 25.2%, Co-op 20.7%, Shooter 13.6%, Sci-fi 10.2%, Top-Down 9.9%

Why You'll Like It: A classic isometric sci-fi shooter that mirrors the dread and bug-blasting gameplay of navigating infested space stations.

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 23.1%, Co-op 21.5%, Shooter 15%, Action 12.7%, Top-Down Shooter 9.5%

Why You'll Like It: It continues the isometric alien-slaughtering formula with intense action and upgraded weaponry.

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: Aliens 22%, Co-op 18.2%, Top-Down Shooter 13%, Shooter 11.1%, Sci-fi 8.3%

Why You'll Like It: The final chapter in the isometric series delivers the same relentless cooperative sci-fi shooter experience.

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.

Why similar: Co-op 24.3%, Aliens 22.7%, Online Co-Op 14.1%, Multiplayer 10.5%, Sci-fi 9.7%

Why You'll Like It: A tactical real-time strategy and squad-based shooter that heavily captures the tense, claustrophobic sci-fi bug-hunting atmosphere.

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: Co-op 24%, Top-Down Shooter 22.1%, Multiplayer 15.8%, Shooter 10%, Online Co-Op 8.6%

Why You'll Like It: A top-down co-op shooter featuring upgradeable gear, class roles, and overwhelming waves of hostile targets.

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?

Why similar: Aliens 21.3%, Co-op 19.1%, Online Co-Op 12.6%, Multiplayer 11.6%, Team-Based 10%

Why You'll Like It: This sequel expands on tactical squad mechanics and base defense against alien mutations from an isometric viewpoint.

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: Co-op 22.4%, Online Co-Op 15.3%, Top-Down Shooter 14.9%, Multiplayer 10.3%, Shooter 8.7%

Why You'll Like It: A vibrant top-down co-op shooter focused on teaming up to defeat hordes of invading alien pink blobs.

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: Co-op 39.8%, Top-Down Shooter 31.7%, Shooter 16.7%, Action 8%, PvE 2.8%

Why You'll Like It: It offers stunning cyberpunk twin-stick shooter action with cooperative multiplayer and dense, isometric chaos.

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: Co-op 23.5%, Aliens 20.4%, Online Co-Op 12.5%, Shooter 10%, Third-Person Shooter 7.1%

Why You'll Like It: It translates the squad-based, bug-hunting cooperative panic of the seed game into a thrilling third-person perspective.

Halo: Spartan Strike makes you a Spartan supersoldier battling evil forces. Delve into 30 challenging missions through cities and jungles using a devastating arsenal of weapons, abilities and vehicles including the iconic Warthog against the Covenant and Promethean enemies. *DirectX feature level 10 required*

Why similar: Top-Down Shooter 25.3%, Aliens 21.7%, Sci-fi 13.5%, Shooter 9.8%, Action 9.3%

Why You'll Like It: A top-down sci-fi shooter set in a familiar universe that matches the perspective and brisk pacing.

From Valve (the creators of Counter-Strike, Half-Life and more) comes Left 4 Dead, a co-op action horror game for the PC and Xbox 360 that casts up to four players in an epic struggle for survival against swarming zombie hordes and terrifying mutant monsters.

Why similar: Co-op 36.7%, Multiplayer 15.7%, Online Co-Op 14.8%, Shooter 9.8%, Team-Based 7.9%

Why You'll Like It: Though a first-person shooter, it captures the exact same foundational four-player cooperative teamwork and director-driven panic.

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

Why similar: Aliens 20.5%, Multiplayer 18.7%, Team-Based 14.9%, Co-op 11.9%, Sci-fi 9.6%

Why You'll Like It: A stellar asymmetrical multiplayer experience blending strategic teamwork with intense sci-fi combat against alien lifeforms.

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: Co-op 25.9%, Online Co-Op 17.5%, Shooter 11.3%, Team-Based 11.2%, Multiplayer 7.6%

Why You'll Like It: A classic cooperative mod that emphasizes old-school tactical coordination and level progression with friends.

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: Co-op 24.5%, Online Co-Op 16%, Shooter 14.9%, Class-Based 13.7%, Multiplayer 10.6%

Why You'll Like It: A cooperative first-person zombie shooter that leans heavily on class-based teamwork and survival mechanics.

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 27.5%, Multiplayer 21.6%, Online Co-Op 16.5%, Shooter 9.6%, Survival 9.5%

Why You'll Like It: A multiplayer horror mod centered on team survival and asymmetrical objectives against fast-moving threats.

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: Co-op 20.2%, Aliens 19.4%, Online Co-Op 14.9%, Class-Based 10.3%, Multiplayer 9.6%

Why You'll Like It: An online cooperative experience dedicated entirely to massive squad-based bug hunts against endless swarms.

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: Top-Down Shooter 22.9%, Co-op 22.8%, Shooter 18.7%, Top-Down 14.1%, Action 10.6%

Why You'll Like It: A classic twin-stick shooter that epitomizes the twitch-reflex survival gameplay against swarms of creepy crawlies.

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 26.3%, Online Co-Op 23%, Co-op 19.2%, Action 11%, Multiplayer 7.4%

Why You'll Like It: A frantic top-down shooter centered entirely around surviving massive, overwhelming hordes of enemies using powerful 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 30.8%, Online Co-Op 23.7%, Co-op 19.3%, Shooter 8.1%, Action 7%

Why You'll Like It: A deeply tactical rogue-lite shooter featuring deliberate gunplay and a sleek sci-fi aesthetic.

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.

Why similar: Co-op 28.2%, Aliens 21.2%, Online Co-Op 19.6%, Shooter 9.4%, Multiplayer 7.3%

Why You'll Like It: A cooperative sci-fi shooter where players unite to hold off alien invaders using deployable cover and heavy weaponry.

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: Top-Down Shooter 42.3%, Action 16.4%, Sci-fi 13.7%, Shooter 13%, Top-Down 9.8%

Why You'll Like It: An intense, brutal isometric action shooter with a heavy cybernetic theme and relentless pacing.

A masterful combination of top-down shooter and endless replayability with procedural levels. Blast your way through walls & enemies with guns and cybernetic abilities. Install perks from cyber chambers and upgrade your character stats after each death. Can you stop the Overseer?

Why similar: Top-Down Shooter 30.8%, Shooter 17.2%, Moddable 14.8%, Sci-fi 14.2%, Top-Down 13.9%

Why You'll Like It: A cyberpunk twin-stick rogue-lite shooter focusing on destructive environments and tactical upgrades.

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: Multiplayer 27.1%, Co-op 23%, Online Co-Op 19.7%, Sci-fi 9%, Shooter 8%

Why You'll Like It: A futuristic action-strategy hybrid featuring cooperative multiplayer and transforming mechanical units.

Dystopia is a cyberpunk game with tense combat situations in a high-tech world spanned by computer networks. Playing as either Punk mercenaries, or Corporate security forces, the player will fight through the physical world to gain access, via jack-in terminals, to cyberspace.

Why similar: Class-Based 23.8%, Multiplayer 21%, Shooter 19.1%, Team-Based 16%, Survival 9.9%

Why You'll Like It: A cyberpunk multiplayer shooter focusing on team tactics, networking, and objective-based gameplay.

Enter the Gungeon is a bullet hell dungeon crawler following a band of misfits seeking to shoot, loot, dodge roll and table-flip their way to personal absolution by reaching the legendary Gungeon’s ultimate treasure: the gun that can kill the past.

Why similar: Co-op 40.6%, Multiplayer 22.2%, Shooter 15.6%, Top-Down 13%, Action 7.7%

Why You'll Like It: A bullet hell dungeon crawler focusing on intense room-to-room combat and precise top-down shooting mechanics.

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 32.3%, Shooter 21.4%, Top-Down 18.7%, Sci-fi 13.2%, Action 11.8%

Why You'll Like It: A frantic top-down roguelite shooter featuring sci-fi weaponry and relentless enemy hordes.

Risk of Rain is an action platformer with roguelike elements. With permanent death as a primary feature, players will have to play their best to get as far as possible. Fight on a mysterious planet with randomly spawning enemies and bosses, either alone or with 3 friends in online co-op.

Why similar: Co-op 37.6%, Online Co-Op 33.4%, Multiplayer 12.6%, Action 11.9%, Survival 4%

Why You'll Like It: An action-heavy platformer with strong rogue-like elements that captures the feeling of scaling power against overwhelming alien crowds.

Nuclear Throne is a post-apocalyptic roguelike-like top-down shooter. Not 'the final hope of humanity' post-apocalyptic, but 'humanity is extinct and mutants and monsters now roam the world' post-apocalyptic. Can you reach the Nuclear Throne?

Why similar: Top-Down Shooter 46.7%, Shooter 21.3%, Action 16.1%, Top-Down 14.9%, Singleplayer 1%

Why You'll Like It: A fast-paced post-apocalyptic roguelite twin-stick shooter with high-intensity action and mutant characters.

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: Shooter 26.8%, Top-Down Shooter 24.8%, Multiplayer 23.9%, Action 8.7%, Top-Down 6.7%

Join the ranks of the Spiral Knights. Stranded on an alien world, you must explore the ever-changing Clockworks beneath its surface.

Why similar: Online Co-Op 31.2%, Co-op 28.8%, Multiplayer 22.1%, Action 9.2%, Sci-fi 6.2%

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: Multiplayer 32.4%, Co-op 24.7%, Shooter 16%, Action 11.6%, Online Co-Op 8.4%

Introducing Aperture Desk Job — a free playable short made for the Steam Deck, set in the universe of the modestly popular Portal games.

Why similar: Shooter 57%, Action 34.3%, Singleplayer 5.8%, Adventure 2.9%

Why similar: Multiplayer 100%

Fast multiplayer action set in the Half-Life 2 universe! HL2's physics adds a new dimension to deathmatch play. Play straight deathmatch or try Combine vs. Resistance teamplay. Toss a toilet at your friend today!

Why similar: Multiplayer 29.1%, Action 24.6%, Shooter 17.6%, Co-op 14.6%, Sci-fi 10.7%

You & your friends are the deadliest killers in the galaxy – the US Colonial Marines. It’s up to you to not just survive, but wipe out the Xeno infestation.

Why similar: Aliens 29.2%, Co-op 24.7%, Shooter 9.6%, Multiplayer 9.4%, Sci-fi 8.7%

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: Multiplayer 62.2%, Action 22.6%, Shooter 14.4%, Singleplayer 0.9%

Unique strategy/first person shooter mix: One commander on each team plays from above, choosing research, placing buildings and giving orders. The rest fill the role of soldiers on the ground, with four distinct classes to choose from and customizable vehicles to drive.

Why similar: Class-Based 22%, Multiplayer 18.1%, Shooter 17.8%, Team-Based 17.8%, Top-Down 14%

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.

Why similar: Co-op 37.9%, Class-Based 18.8%, Shooter 12.2%, Sci-fi 10.8%, PvE 7.7%

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: Co-op 21%, Aliens 20.2%, Top-Down Shooter 17.9%, Multiplayer 11.4%, Sci-fi 9.7%

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: Aliens 30.3%, Top-Down Shooter 23.9%, Shooter 16.4%, Top-Down 11.6%, Sci-fi 10.2%

Nine distinct classes provide a broad range of tactical abilities and personalities. Constantly updated with new game modes, maps, equipment and, most importantly, hats!

Why similar: Multiplayer 26.9%, Co-op 14.6%, Shooter 14.4%, Class-Based 14.3%, Online Co-Op 12.7%

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 30.1%, Multiplayer 24.5%, Action 13.6%, Co-op 11.5%, Sci-fi 9.9%

From the team that brought you Aleph One, the classic sci-fi FPS Marathon from Bungie on Mac revived for modern hardware by the fan community.

Why similar: Aliens 23.9%, Shooter 20.2%, Co-op 16%, Sci-fi 11.5%, PvE 9.3%

Seven years after the Inventory closed its doors, this underground social club has reopened for business. Play No Limit Texas Hold’em with four video game icons in a high-stakes battle of cards, bets, and trash talk.

Why similar: Singleplayer 100%

Awaria is a short game about working in haunted maintenance tunnels.

Why similar: Top-Down 58.8%, Action 37.4%, Singleplayer 3.8%

A truly free and open source multiplayer shooter, no strings attached. Have casual deathmatch matches on various scenarios. Build your own levels with the ingame editor and assets that come with the game, or just play around and use it as a sandbox.

Why similar: Multiplayer 40.8%, Shooter 27.6%, Action 22.1%, Survival 9.5%

One of the most popular online action games of all time, Team Fortress Classic features over nine character classes -- from Medic to Spy to Demolition Man -- enlisted in a unique style of online team warfare. Each character class possesses unique weapons, items, and abilities, as teams compete online in a variety of game play modes.

Why similar: Action 20.3%, Multiplayer 18.2%, Class-Based 15.5%, Shooter 13.8%, Co-op 13.5%

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: Co-op 18.7%, Online Co-Op 17.4%, Top-Down Shooter 14.9%, Shooter 9.4%, Multiplayer 9.3%

Half-Life Deathmatch: Source is a recreation of the first multiplayer game set in the Half-Life universe. Features all the classic weapons and most-played maps, now running on the Source engine.

Why similar: Multiplayer 32.7%, Action 25%, Shooter 23.7%, Sci-fi 18%, Adventure 0.4%

Stranded on an alien planet, you must defend your Powercore! Use your weapons to fight hordes of alien enemies and strategically use traps in this new FPS tower-defense survival game!

Why similar: Co-op 33.1%, Aliens 19.2%, Multiplayer 15.8%, Shooter 8%, Sci-fi 7.6%

From the team that brought you Aleph One, the classic sci-fi FPS Marathon 2: Durandal from Bungie on Mac revived for modern hardware by the fan community.

Why similar: Aliens 23.6%, Shooter 18.7%, Co-op 17.1%, Sci-fi 10.5%, PvE 9.5%

Snow Plows vs Aliens: 4 player, local co-op chaos

Why similar: Action 55.6%, Top-Down 44.4%

Alien Arena is a furious frag fest with arenas ranging from the small, to the massive. With game modes such as Capture The Flag and Tactical, there are terrific team-based experiences to be had as well as 1v1 duels, free-for-all, and dozens of mutators to alter the game play to your liking.

Why similar: Shooter 49%, Action 30%, Multiplayer 21%

Survive, hunt and prey in the deadly jungles and swamps in distinctly new and thrilling first person gameplay.

Why similar: Aliens 33%, Multiplayer 14.1%, Co-op 13.2%, Sci-fi 11.3%, Shooter 10.5%

Monday Night Combat is a class-based, third-person shooter… and the most popular lethal sport of the future!

Why similar: Co-op 30.9%, Third-Person Shooter 24.4%, Multiplayer 24.2%, Action 16.6%, Strategy 3.9%

Old friends and bitter enemies await as you invade Earth alongside a Mothership full of alien friends! Blast, beam, and bite your way through an endless swarm of enemies as you and up to three of your fellow hominids cause mayhem with a huge arsenal of weapons, mutations, and acrobatic maneuvers.

Why similar: Co-op 26.2%, Aliens 24.7%, Online Co-Op 23.5%, Multiplayer 13.9%, PvE 5.8%