Alien Swarm: Reactive Drop
Alien Swarm: Reactive Drop mods
A mod changes the game itself. It needs something to load it, it may need other mods first, and it only works on the versions its author built it for.
1,902 mods, most downloaded first · newest update 27 Oct 2026
challenge281skin247Sound170Weapons142Marine141campaign116model102prototype rifle89Assault Rifle87heavy rifle82Music80vindicator79Autogun79combat rifle76marksman rifle75bulldog72Weapon70devastator62Deagle59shotgun57HUD53Sounds52Models47Bonus45Grenade Launcher43halo42UI407:7634replacement33ASBI30survival29Texture27Minigun24Config24Blue Archive21Glow19Voice19Space18Dead Space18flag18alien18Railgun17Drone16Particles16marines15animated15Flamethrower14Crosshair14Chainsaw14Meme13Combine13Background12particle12Half Life12rifle12Ammo12Horde11Challenges11blue11warframe11Custom11emote10Adrenaline10Grenade10Textures10Color10aliens10Swarm10faith10Skins9Arrow9 Soundtrack9Emotes9Audio9VGUI9Fun8Glowing8Effect7Starcraft7loading7crash7menu7Barrel7Training7Max Payne6Loading Screen6Anime5fix5Guns5Interface5Red5Gun5Escape5health5Medkit5gunshot5modding5
- RepirNoASBI N2by 76561198375861947beta now normal version 2 Alien health and speed are very doubled on Difficulty 2 more alien A deeper understanding of playing ASBI in the future This challenges increases a lot of fault tolerance on the basis of the original Able to slowly restore HP High damage not dying directly, probably item...44 downloadsupdated 4 y ago
- Flag Marines (Estonia)by hy236Add the Estonia's Flag on the middle back-unit of marine. Based on "Santahat Marine" by hangumi. Flag Marines (China): Flag Marines (USA): Flag Marines (Korea): Flag Marines (Russia): Flag Marines (French): Flag Marines (India): Flag Marines (Slovakia): Flag Marines (Australia): Flag Marines (Pol...44 downloadsupdated 7 y ago
- BubbleGum Color Flames!by 76561198434597345my first mod. im lazy to put more context into this one so.... yeah it works :D44 downloadsupdated 5 y ago
- Riflemod No Reviveby ModdedMarionetteI'm surprised that this doesn't already exist. This is basically the exact same challenge as Riflemod except revive system is disabled. Have fun.43 downloadsupdated 2 y ago
- Hordemixedby hangumi-All alien types of enemies appear -Also includes a Give Me the Power version43 downloadsupdated 3 d ago
- X ray Metal barrelby Eternal hopa connman116A version of Metal barrels that you can see through walls As usual not compatable with other mods that change that vtf43 downloadsupdated 12 mo ago
- Exaggerated Soundscape DSP'sby sokolovI did this for L4D2 some time ago but it requires consistency which is smelly and it doesn't seem to here. What it does is add swap reverb presets to unrealistic ones (which were stolen from Insurgency and Day of Infamy) to simulate large echo-y spaces to make them feel.. large? I guess? I dunno,...42 downloadsupdated 19 mo ago
- Smoking Gun Barrels (Shells Stay)by AstroCatNip///Warning: Beacuse shells and brass stay permanently it can have an effect on performance, recommended for big PCs. //New Muzzleflash when firing //Shells eject when firing //Firing makes weapons smoke //Works with custom weapons /Original Version which you need to disable if you want this one t...42 downloadsupdated 6 mo ago
- Cursed Heavy_Slow_door.mdlby AstroCatNipStrange did it always open this way ?41 downloadsupdated 3 y ago
- Bigger Vanilla Blood Decalsby sokolovSimple VMT edits. I also used these commands to increase decal limits in the screenshots, as otherwise you may experience decals rapidly cycling between eachother every time an alien is shot. I'd probably suggest a count of 10 though as to prevent from the decals from "glowing" if there is a lot...41 downloadsupdated 8 mo ago
- biggerdronefootsoundsby 7656119837586194741 downloadsupdated 2 y ago
- Halo - Assault Rifle | 22A7-Z Prototypeby TrinityChanges the sounds of the 22A7-Z Prototype Assault Rifle into the sounds of the Assault Rifle from Halo.41 downloadsupdated 17 mo ago
- Max Payne - Colt Commando | Prototype Rifleby TrinityChanges the 22A7-Z Prototype Assault Rifle's sounds into the ones used by the Colt Model 733 Commando from Max Payne. - Source Zip40 downloadsupdated 6 y ago
- Firemine timeout warning (Jaeger only)by locklannReupload of MID's now-deleted firemine timeout warning addon. Overhauls the firemine's flame particles, bright red flames appear 27 seconds after the mine has been placed giving you a 3 second visual cue as to when the mine is about to run out; though it only works with Jaeger. In a nutshell the...40 downloadsupdated 14 mo ago
- M739 Saw (Heavy Rifle Fork)A fork of Sabre's M739 Autogun mod that instead replaces the model, textures, sounds, and UI image of the Heavy Rifle (which at the time of this upload doesnt have a Halo skin mod due to Sabre's original halo weapon mod set coming out before certain later weapons were added in an update). All cre...40 downloadsupdated 12 mo ago
- Wildcat Alternative Voiceby BobVoice replacement for wildcat. The lines are mostly the same, nothing fancy. Originally just a test for fun.39 downloadsupdated 18 mo ago
- Faith Alternative Voiceby BobVoice replacement for faith. The lines are mostly the same, nothing fancy. Originally just a test for fun.39 downloadsupdated 18 mo ago
- National camos for marinesby 76561198398751210Camo skins for marines based on their nation. Keep in mind some of the nationalities might be inaccurate since I had to rely mostly on surnames and tiny pieces of lore available. Everything should work fine (I tested everything in game) but if you find any bugs/errors let me know and I will try t...39 downloadsupdated 3 y ago
- [ECA NIMBUS] RED COLORby ⛧Eschatologia⛧Modifies the chest "ECA" making it more suitable for modified skins, for people who do not want to play "without an ECA texture" using the specific command This is the red version of "Nimbus" |-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|...39 downloadsupdated 3 y ago
- Briefing menu music replacement for «Лето и арбалеты»by 76561198874725711Replaces briefing menu music for «Лето и арбалеты» (Summer and Crossbows) by Akim Apachev39 downloadsupdated 4 y ago
- Ratchet and Clank Rivet/Ratchet marinesby imelmanReplaces swarm marines with Ratchet/Rivet from Ratchet and Clank series. A commission work. Model source:39 downloadsupdated 3 y ago
- 100%orange juice ! bgmby 76561198375861947homepack bgm and wait bgm 倒霉蛋對決!(須玖莉世界名畫丢人装置 移動2 攻擊 3 闪避4 )ATK 3~13 EVD 4~14 誰會死就由就由這顆骰子來決定吧! ——yuki壞貓貓 うちのでばんや Hyper Mode ! ——QP笨狗狗 ハーイパモードです ldeal world 奥の手だ 1 homepackmusic 2 wait bgm 為了——那碧藍的天空 空旋戰姬 sora 我不是為了別人的命令而行動著的,而是為了自己的意志而努力著的。 疾旋戰姬——suguri 我們只是,想要自由的飛翔。 飛天紅酒桶——Sherry39 downloadsupdated 4 y ago
- Minimalistic Amp (Double ring)by locklannBased on MID's now-deleted simplified amp addon. I highly recommend using this addon in conjunction with No Shield Bubble by o'night Greatly simplifies all the Amp (or buff grenade as it is referred to internally) particles. Two white rings will appear once activated. The static ring is there to...39 downloadsupdated 13 mo ago
- loading かぜなきしby 76561198375861947人之子願被人所愛,神之子願被神所愛,若有既是人、又是神者存於世,願你,能被兩方共同愛著39 downloadsupdated 3 y ago
- Blue Archive Backgrounds (Game Development Department)Replaces the main, lobby, success, and failure screen backgrounds with images of Blue Archive’s Game Development Department.39 downloadsupdated 10 mo ago
- KAYF LIFE 2026 Roach Antlion GuardReplaces antlion guard with cockroach from KAYF LIFE 2026 Remake.39 downloadsupdated 2 mo ago
- ZAPPERby Risb0For all those who have played with. No pics, if you know, you know! "Nintendo Zapper Light Gun" ( by Matt Wilson is licensed under Creative Commons Attribution (38 downloadsupdated 4 y ago
- Max Payne - Sawed-Off Shotgun | Pump Shotgun (Shoot Only)by TrinityChanges the Model 35 Pump-action Shotgun's shoot sound effect into the sound used by the sawn off shotgun from Max Payne. - Source Zip38 downloadsupdated 6 y ago
- Acid's Weapon Soundsetby Acid FluxYay, things that go boom! This is mostly a test to see how these sounds that I've compiled will work in the Alien Swarm setting. So far, it's only the more common weapons, like the rifles, autogun, minigun, etc.38 downloadsupdated 9 y ago
- Trap Adrenaline Sound Part 2by RevenantTrap Adrenaline Sound Part 2 Music: Dekku feat Juliana Chahayed - Rescue Me38 downloadsupdated 9 y ago
- No Racism Challengeby jhheightMarines and aliens get assigned a random color, you can only damage aliens that are the same color as your marine is. No racism! Playing solo is basically the same as normal game38 downloadsupdated 7 mo ago
- Glowing RockReupload of an addon by MID (if i recall correctly ) It makes the rocks glow38 downloadsupdated 13 mo ago
- Entropy Zero MusicReplaces the alien swarm Muisc with Music from the Entropy Zero series + tracks from Half Life Overcharged for a free bonus. Credits: Entropy : Zero 1 -Kelly Bailey -Morch Kovalski & John Richardson (Breadman) -Spencer Baggett Entropy : Zero 2 -Spencer Baggett -John Richardson (Breadman) -Caleb W...38 downloadsupdated 29 d ago
- Puyo Puyo Kill Streak Soundby 7:76Replace Kill Streak Sound with Puyo Puyo.37 downloadsupdated 3 y ago
- Flag Marines (Philippines)by hy236Add the Philippines' Flag on the middle back-unit of marine. Based on "Santahat Marine" by hangumi. Flag Marines (China): Flag Marines (USA): Flag Marines (Korea): Flag Marines (Russia): Flag Marines (French): Flag Marines (India): Flag Marines (Slovakia): Flag Marines (Estonia): Flag Marines (Au...37 downloadsupdated 7 y ago
- Defense Grid announcer soundsby imelmanReplaces the killing spree announcer with Defense Grid mega kill pack from Dota 2.37 downloadsupdated 4 y ago
- 2560x1080 centeredmapby 7656119840998206737 downloadsupdated 2 y ago
- Better ECA boxby Ax-nowskin for electric charged armor box.37 downloadsupdated 15 mo ago
- PCF: No Leader Linkby GrimowyRemoves the visual link (particle effect) between the officer and the reinforced marine.37 downloadsupdated 2 y ago
- ASBI Noobby OlteriASBI without the ASBI spawnset. This is an exact copy of regular ASBI included in the base game, but without extra spawns etc. added by the spawnset normally present in ASBI. This challenge still has all other ASBI features: faster alien movement speed, increased friendly fire, no 1hp protection,...36 downloadsupdated 16 mo ago
- Flag Marines (Slovakia)by hy236Add the Slovakia's Flag on the middle back-unit of marine. Based on "Santahat Marine" by hangumi. Flag Marines (China): Flag Marines (USA): Flag Marines (Korea): Flag Marines (Russia): Flag Marines (French): Flag Marines (India): Flag Marines (Estonia): Flag Marines (Australia): Flag Marines (Pol...36 downloadsupdated 7 y ago
- SND: Lobby: SEA SERVER - Xiinyaby GrimowyDon't subscribe. It's not for you. Explicit Lyrics. Music in the lobby. sohai, cibai, pukimak [...] I meet a lot of NOOBS. Because I play in the . That's full of ANIMALS. You know?Putang ina mo! USELESS SUPPORT. USELESS CARRY. Use your BRAIN sir? No matter how many times you get MAD.. This is OUR...36 downloadsupdated 15 mo ago
- 繧「繝ェ繧ケ繝サ繝ェ繝・Ν!by 76561198375861947homepack music 蜚ッ譛画滑閾ェ蟾ア蜷御シエ隶頑・窶懈嶌窶晄燕閭ス遏・譖臥悄逶ク 逵滓弍隲キ蛻コ蝠・ 諢幃コ礼オイ 闔牙セキ辷セ・・ 迴セ蟇ヲ遨カ遶滓弍螟「蠅・d譏ッ莉鮗シ・・陌帛ケサ逧・コ狗黄 陌帛∞逧・セ主・ス 逧・ヲよ・荳榊ソ咲攣逧・ケサ諠ウ 迴セ蟇ヲ遨カ遶滓弍螟「蠅・d譏ッ莉鮗シ・・ 陌帛ケサ逧・コ狗黄 陌帛∞逧・セ主・ス 逧・ヲゆク榊ェ蜈・逶ョ逧・ケサ諠ウ36 downloadsupdated 4 y ago
- Gas Grenade accurate hitbox & countdown for Weapon Balance (Vanilla colours)by locklannBased on MID's now-deleted timeout warning gas grenade addon and Orange's Better Gas Grenade addon. Overhauls the gas grenade's particles with a more compact cloud to give better visibility inside and around the grenade, changes the ring shaped hitbox marker to a more accurate yellow square which...36 downloadsupdated 13 mo ago
- Brutal calibreby OrangeEpic Old Classic by Katsukaze. From the times of ASBI creation36 downloadsupdated 4 mo ago
- Glowing Rock Blueby Eternal hopa connman116Accidently made this sombody might like it36 downloadsupdated 13 mo ago
- BETTER Glowing Rocksby Risb0BETTER view than BETTER Glowing Rocks, BETTER white color, Aliens will disintegrate while looking at these BETTER rocks, your eyes too. I said BETTER.35 downloadsupdated 14 mo ago
- Antlion Guard remasterby imelmanReplaces the antlion guard model with a higher detail one. Model source:35 downloadsupdated 4 y ago
1.9k 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.

