Mods / campaign

• HHessian Border Station Campaignby 5564653254Hessian Border Station is a two map campaign by Johannes Lerch. This is the original campaign with a fixed download link, included AIN files, fixed marines on minimap displaying. Fully compatible with the original VPK, what means that you can connect to each other or to dedicated servers with no...5.3k downloadsupdated 10 y ago
• OOperation Cleansweep 3 in 1by jhheightOperation Cleansweep campaign 3 maps merged into one vmf included in vpk5.1k downloadsupdated 5 y ago
• DDeath Knock Campaignby 5564653254This is a five map campaign by bignp.5.0k downloadsupdated 9 y ago
• AAbsolute Madness Campaignby RevenantMap for true egurs by Orange4.5k downloadsupdated 9 y ago
• TTech Abuseby Water ShieldguyReupload of the original Tech Abuse map. I DID NOT MAKE THIS MAP. THIS MAP WAS MADE BY ManlyKloc! Here's the map's base files: Race your best time. Race a friend. Work with a friend to race your own time. Fun times.4.3k downloadsupdated 10 y ago
• RRorke's Driftby Jim_PartridgeA very early single map from my new campaign. it's playable but will expand over time. I'll be releasing regular updates and expanding this firstmap along with adding new maps too.4.3k downloadsupdated 10 y ago
• [[Outdated] Nam Humanumby StralIMPORTANT: Nam Humanum is now officially part of the Alien Swarm: Reactive Drop campaigns roster! Although this Workshop page will be kept up (for posterity), we of course strongly recommend playing the official version of our maps, which comes with many fixes and other additions. Thank you all f...3.8k downloadsupdated 5 y ago
• TThe labyrinthby Ground ControlMap created by PyrokaHD Steam name: Pyroka3.6k downloadsupdated 9 y ago
• SSiropDeCeriseby YoIt's a fun campaign of 3 original and fun maps that i made some time ago for alien swarm. The last map has some bugs but is still fun to play at least one time. I spend nearly 200 hours to make this campaign. NOTE : I don't like unlimited number of aliens, so in my maps, each spawn has a finite n...3.6k downloadsupdated 9 y ago
• EEntranceby RevenantBase AI rebelled! Get inside the underground bunker. Map by Crusader_bin3.5k downloadsupdated 9 y ago
• RRoyal Harvestby RevenantThe last chance to make this horror an end. Map by PokerFlat3.5k downloadsupdated 9 y ago
• AAlien Showdown [BETA]by MâDmâXBeta - 1 Map Included - 85% Complete 7 Years ago i started to create this Map for Alien Swarm. Now i decide to Share it on Alien Swarm: Reactive Drop Workshop. It is not finished yet but everything works correctly. If you ask if i will continue this campaign then i cant answer this Question. It c...3.4k downloadsupdated 10 y ago
• TThe Mountainby OrangeA rise from the ashes. Map by AbsolutTBomb, Eclipse, Kenny_WWE, Jester_Prince & Paradox Pretty good, with nice mechanic and ideas. Have fun.3.4k downloadsupdated 4 y ago
• FForbidden Spaceby Minigun SpecialistAboard a spaceship to the new planet, the spaceship soon becomes infected with aliens. Missions 1. Aboard the Lambda. Lambda Cruiser - a colony ship. Find a way to escape. FS_map_1 2. Dangers of Twin Peaks. FS_map_2 Campaign by Dragonfly (JNguyen). This is the original campaign, with a fix for cu...3.2k downloadsupdated 7 y ago
• ZZentar Assaultby Minigun SpecialistZentar is the most outer colony, unknown to the Core Systems and the Allied Systems. No one ever leaves or arrives here. It is unknown who first colonized this lifeless moon. Zentar is completely covered under an ocean. However, because the atmosphere has long been lost, the ocean has frozen over...3.0k downloadsupdated 7 y ago
• MMinigamesby jhheightWarning: for 4th map - if you don't see questions, disable bloom Minigames is a campaign that includes 4 non-traditional maps. 1. Jumper - jump over the rotator. 2. Simon Says - do whatever "simon says". 3. Alien Clicker - damage the aliens and gain points, use the points for upgrades to get poin...3.0k downloadsupdated 8 y ago
• IIcy Dawnby RevenantNo flamer or kick. Map by Madk and TBomb3.0k downloadsupdated 9 y ago
• FFHO Campaignby RevenantThree epic survival maps created by cronicheers.Fight 32 waves of insane alien killing goodness.2.9k downloadsupdated 9 y ago
• UUnknown Black-Mesaby DarkGo to the lab teleport Lambda and stop the threat in the world. Good Coop.2.9k downloadsupdated 9 y ago
• NNitro Canister Caseby 5564653254Nitro Canister Case is a one map campaign for Alien Swarm created by Tien. The map is very hard with lots of ambushes. This is the original version with a fixed download link. Fully compatible with the original VPK, what means that you can connect to each other or to dedicated servers with no pro...2.9k downloadsupdated 10 y ago
• MMagnum Opusby vqUpdated - 11-01-2026 - Added new Map Pillar of Eternity Updated - 02-08-2025 - Added new Map Great Temple Updated - 10-03-2025 - Added new Map Heliopolis Campaign Magnum Opus Maybe now 4 maps. Thanks to: - jhheight - Orange - Dmitriy Textures, sounds etc.: humanf2.8k downloadsupdated 10 mo ago
• WWestcliff Refinery Outpostby BladekillSurvive for 10 minutes and beat those aliens back to hell. Not made by me it is made by scitor2.7k downloadsupdated 10 y ago
• HHOLDOUTby kaboom!Stand ground against waves of aliens. Fight until you drop. - Ported from old map made for original alien swarm - map not mine, just posting here for easy access to players. Enjoy!2.6k downloadsupdated 9 y ago
• JJacob's Rest LDRby 5564653254This is an official Jacob's Rest campaign but compiled with LDR(low dynamic range) lighting which gives much darker environment similar to the original Alien Swarm UT mod(2005). For now only 3 maps are included, these maps are shipped with Alien Swarm SDK. Landing Bay, ldr-jac1-landingbay_01.bsp...2.5k downloadsupdated 10 y ago
• GGrenade Launcher Trainingby jhheight!!!WARNING!!! - Solo map. (maybe except 2nd map) This map can help improve your average grenade launcher skills to... above average. Suggested difficulty: Brutal/Brutal ASBI 4 Maps: - Close Nading - Target Hitting - Tight Uncomfortable Corridors - Massive Horde .bsp names: - uglt-1 - uglt-2 - ugl...2.5k downloadsupdated 8 y ago
• NNaswai Reactor Campaignby _Vertigo_Hard map. Not for noobs2.5k downloadsupdated 5 y ago
• LL4D2: Swamp Feverby vqLeft 4 Dead 2 Swamp Fever Campaign This campaign contains 4 asw-styled missions: - Plank Country - The Swamp - Shanty Town - The Plantation Thanks for help to: Dmitriy, Orange, jhheight Credits: Valve2.1k downloadsupdated 8 mo ago
• AAbsolute Madnessby OrangeOld map with fixed particles collision by requests. Have fun Replaces this one:2.0k downloadsupdated 6 y ago
• MMissionDelta Campaignby 5564653254A three mission campaign by |ATM|Killalheure. First mission is about enjoying killing aliens, not sure if it can be completed. 2nd mission is pretty much same thing but more interesting design. 3rd maps is the most fun of all where you have to kill a ton of drones, shieldbugs and the queen too an...2.0k downloadsupdated 9 y ago
• YYanaurus Mine Originalby 5564653254Distress 10-1.23 ... Yanaurus Mine has gone silent. Scans show power has been disabled in the facility. First priority is to gain access to the facility and locate survivors. By Silver.Fox.2.0k downloadsupdated 8 y ago
• TTG-1 Campaignby Minigun SpecialistTG-1 containts 2 maps made with tilegen. Leaderboard: ASBI Leaderboard:1.9k downloadsupdated 8 y ago
• JJacob 2 by Raraby **Rara4(+1 non combined) Combined/moded maps(1+1) - Landing+Deima Rydberg+Insert, final Timorastation Prepare your an*s !1.7k downloadsupdated 7 y ago
• FFire Teamby RevenantThree-maps campaign by Jester_Prince1.7k downloadsupdated 9 y ago
• TThe Beginningby Fuzzy "aNIMaL"Don't know who the creator is or I would give them credit. Had these maps on USB for over 7 years from the original Alien Swarm game and this is the easiest way to share them with everyone. Post if you know who made it.1.7k downloadsupdated 9 y ago
• LLarnok 2 (1.1 WIP)by MjäYYY MIAUUU MURR NAUSKsYou are tasked to deliver some Odenatus powersources to the Filand sector power-reactor. Defend yourselves from the swarm in the Fortress equipped with the most powerful of weaponry. Quickly react to objectives as the mission is very time exclusive!1.5k downloadsupdated 8 y ago
• CCommunication Station Sweepby Minigun SpecialistDestroy infestation within the communications office. By HappyHiker82. This is the original, unchanged campaign. Map name is comms9. Note. Set your Options - Video - Bloom to Low or map will look too bright. Tip. As this map heavily uses projectors you may want to set a launch option for AS:RD: -...1.5k downloadsupdated 7 y ago
• EExtremetttby RevenantEXTREME TIC TAC TOE RAVE!! Map by Sparkes1.5k downloadsupdated 9 y ago
• MMini RPG Missionby jhheightSomething unique - an RPG map! You start at level one and have to kill headcrabs to earn xp, level up, fight stronger aliens, get more XP, buy weapons, buy upgrades, fight bosses! More fun with friends. Kill the Queen boss to win the mission, expect your first playthrough to take over 2 hours. 2...1.4k downloadsupdated 4 y ago
• SShieldbug Training Campaignby jhheightKill a shieldbug. Yes. (It's a map) Train your shieldbug avoiding skills and learn something new about how shieldbug is programmed. The knowledge would help a lot in harder difficulty games. (You can't use weapons, only melee attacks) Campaign consists of 3 levels of difficulty. Note: For an even...1.4k downloadsupdated 5 y ago
• JJerichoby 76561198819119108The walls will fall...1.4k downloadsupdated 14 mo ago
• RR&D Firing Range (more swarm drones)by AbbysssalOriginal mod: Don't install both original and this mod. 7 swarm spawners instead of 3. X5 swarm drones mode: activate 28 extra spawners (only drones). Door to prevent drones escape (X5 swarm drones mode closes the door)1.3k downloadsupdated 8 y ago
• RRD: DOOMby vqDOOM 1 Campaigns port for Alien Swarm: Reactive Drop Fight your way through the legendary DOOM 1 episodes, recreated for Alien Swarm: Reactive Drop. Included Content 9 playable missions covering the entire first episode Knee-Deep in the Dead: - E1M1 Hangar - E1M2 Nuclear Plant - E1M3 Toxin Refine...1.3k downloadsupdated 4 mo ago
• PPortugalby SuekoIts still same map for the 3 stages... i still need to make them. I just wanna test how menu works. Sorry for this boring Campaign, ill try make 3 diferent maps.1.3k downloadsupdated 9 y ago
• GGemini Cityby 76561198819119108Work In Progress Campaign Only two maps available atm but looking for feedback. Hope folks enjoy the work so far.1.3k downloadsupdated 12 mo ago
• SSaw Training Campaignby jhheightThis campaign includes 6 maps, somewhat sorted by difficulty. Recommended difficulty: Brutal/Brutal ASBI. Recommended marine: Vegas. If you have any more suggestions on what maps to add let me know.1.2k downloadsupdated 6 y ago
• CCrystal_Destroyerby KablaaaTest your might! Destroy all the crystals in the fastest time possible and exit. Jagaer/ Sarge, vindicator / grenade launcher Solo and duo runs.1.2k downloadsupdated 7 y ago
• AATCSby IdolFirst map i made -A.T.C.S- Advanced tactical combat simulator v1 1 Stage map1.1k downloadsupdated 3 y ago
• OOdessy Epsilonby 76561198819119108WIP maps for new campaign1.1k downloadsupdated 4 y ago

116 campaign mods, most downloaded first. Each one has its own page here with what it needs to run and where its author publishes it; the files themselves stay with the author and are never re-hosted on this site.