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
- Gas Grenade accurate hitbox & timeout warning (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...67 downloadsupdated 13 mo ago
- chainsaw no soundby 76561198375861947I was going to make it something else But cant work Reverse thinking Be inspired by friend chainsaw small sound(10%) chainsaw small sound(25%) chainsaw small sound(50%) 本來打算做別的的 沒用 逆向思維 靈感來源於朋友67 downloadsupdated 4 y ago
- Treason weapon packby imelmanReplaces ammo bag and various weapons with ones from Treason.67 downloadsupdated 3 y ago
- 更小的伤害数字浮点 Smaller float damage (GL vision fixed)by 7656119897783006667 downloadsupdated 18 mo ago
- Healthpocalypseby imelmanAdds a challenge based around having no meds, other than first aid kits you can equip or find. Has a variant that allows you to loot some from aliens. Naturally this makes medic undesirable, but if you really want their gas grenades...66 downloadsupdated 2 y ago
- removedronebloodby 7656119837586194766 downloadsupdated 2 y ago
- AS:I Alien Eggsby AstroCatNip//Replaces your retail alien eggs with as2k4´s and alien swarm infested´s very gooey and transparent eggs. //all rights go to blackcat studios. //enjoy.66 downloadsupdated 3 y ago
- Xray Gas Barrelby Eternal hopa connman116Base on Modified by Grimowy With my idea Not compatible with other gas barrel mods66 downloadsupdated 13 mo ago
- Glowing Headcrab&Antlionby hangumiheadcrabs and antlion shine brightly. It's just that.65 downloadsupdated 20 mo ago
- Steam emotesby imelmanReplaces emotes with steam ones.65 downloadsupdated 4 y ago
- Original Green Gas Grenade Particleby DmitriyReplaces new gas particle with the original green smoke. Without the red circle.65 downloadsupdated 4 y ago
- Raising the Bar Redux weapon packby imelmanRepalces various weapons with ones from Raising the Bar Redux.65 downloadsupdated 5 mo ago
- 大狗大狗叫(替换boomer膨胀死亡)64 downloadsupdated 1 mo ago
- Cybernetik Adrenaline Soundby Capn Jack SparrowAlternative adrenaline music for more psychedelic ambiance. Track is Cybernetika - Artificial Bloodline. I recommend using my other workshop item "Silent Slow-Mo" to enjoy the music at full potential. >>>63 downloadsupdated 5 y ago
- RNG Color Aliens (Glow)by AstroCatNipGives all enemy aliens rng colors "and makes the glow in the dark". Aliens includes this are: -Drones -Uber Drones -Rangers -Buzzer -Mortar -boomer -Harvester -Parasite -Xenomite -Egg -Biomass -Shaman/Mender -Queen -Antlion Guard Known bugs: -Sometimes flicker at random -ice/fire/shock overlays d...63 downloadsupdated 12 mo ago
- Neo Sans Pro (Extended glyph support)by RunyaA mod that replaces the game's Neo Sans font with the Neo Sans Pro font with extended glyph support. This is an updated version of original addon made to work with new UI since original author deleted it for some reason and I couldn't reach him and ask to upload updated version. Addon may not wor...62 downloadsupdated 2 y ago
- Sirenby Nyu4:28 - 4:34 that sound for all hordes thx to Revenant for helping me. IMPORTANT: you need to turn Music Volume on. like 50% horde sounds are music in this game.62 downloadsupdated 9 y ago
- ASRD : Sound packby ターニャmain briefing room : Paralyzed adrenalin :X.U.- scaPEGoat & add sound pack (3 files)62 downloadsupdated 9 y ago
- WB's Tesla Coil timeout warning (EDITED REUPLOAD)by locklannBased on MID's now-deleted tesla coil timeout warning addon. Overhauls the tesla coil's model; the tesla coil's "coil" will gradually change colour giving you a visual cue as to when they are about to run out. I edited the original addon changing the timing a bit; when deployed the first 19 frame...62 downloadsupdated 14 mo ago
- Alternative Horde Musicby Capn Jack SparrowAlternative Horde Music Tracks are from Rengar login screen, Velkoz login screen (both from league of legends) and the third one is Zack Hemsey - Mind Heist (Inception trailer)62 downloadsupdated 5 y ago
- Flag Marines (French)by hy236Add the French'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 (India): Flag Marines (Slovakia): Flag Marines (Estonia): Flag Marines (Australia): Flag Marines (Pol...62 downloadsupdated 8 y ago
- Legacy marinesby AstroCatNipReverts the marines back to their original 2010 alien swarm state, before the december update.62 downloadsupdated 3 y ago
- Swarm Sounds Replacementby 76561198397429538Does not effect any main scripts. I produced the sounds using original shockstinger sounds. Replacement for horde sfx. Buy me a coffee:61 downloadsupdated 4 y ago
- Strinova Cielle/Audrey marinesby imelmanReplaces swarm marines with Audrey/Cielle from Strinova. Art doesnt belong to me, used only for in-game imagery. Model source:61 downloadsupdated 5 mo ago
- GTFO Expedition Failed Themeby CzlopekThis mod replaces the Mission Failed music track with the one from GTFO. It also mutes the initial 4-second sound when you lose.61 downloadsupdated 2 y ago
- WUT?by NyuWUT? dont blame me. (pic stolen, see watermark)60 downloadsupdated 9 y ago
- Borderlands 2 soundtrackby imelmanReplaces various music with ones from Borderlands 2.60 downloadsupdated 3 y ago
- Extra Ammo & Medikidby Gen. 08/15Add more Medi and Ammobags60 downloadsupdated 9 y ago
- 2026 Mortar Model (Drone claws replace nails and teeth)by Risb0This mortar model using claws to match other aliens. This addon is compatible with your custom aliens and claws skin/textures. Enjoy.60 downloadsupdated 4 mo ago
- Better gas particlesby Ax-nowchange the gas particles for better visibility and more information on the duration.59 downloadsupdated 14 mo ago
- Mystia's travelby 76561198375861947a baka loading59 downloadsupdated 3 y ago
- loading かぜなきしby 76561198375861947風吹過,那味道令人懷念的風,令人懷念的風吹過令人懷念的記憶. 鏽蝕的鐵輪,破碎的鐵刃,逝去的信仰,哭泣的風,新生的幻想。59 downloadsupdated 3 y ago
- 恐怖哈吉米(替换准备界面音乐)by 76561198404160403恐怖哈吉米(替换准备界面音乐) 温馨提示:请佩戴耳机调大音量59 downloadsupdated 14 mo ago
- GL no trajectoryby 76561198375861947某藍色夥計的退坑作2 無軌跡榴彈 Don't stand still, keep going. others can't see your efforts, how can they judge yourself? always been so morose. is the most ridiculous. Nothing is insurmountable things Focus on determination 某藍色夥計退坑作 某藍色夥計的遺言 asrd具有使熱心市民變為冷漠市民的能力 gl258 downloadsupdated 4 y ago
- RepirNoASBI E3by 76561198375861947beta now easy version 3 Alien health and speed are very doubled on Difficulty 3 and 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 +1HP/5s High damage not dying directly, pro...58 downloadsupdated 4 y ago
- Packing Penuts v2.5 (Stable)by AstroCatNipThis mod adds packing penutes and props when you break boxes. This affects: -Supply crates -Cartboard boxes -Red barrels Credit: Astrocatnip - building the effects Grimcore - finding a solution to the multiplayer crashes Ben lubar - providing a stabilisation archive58 downloadsupdated 12 mo ago
- vanilla ui soundsby chaoSReplace alien swarm ui sounds58 downloadsupdated 7 y ago
- Grenade Real Collision Challengeby chaoSNow your teammates can also block your grenades, so watch out for anything. Contains additional challenges: ASBI Grenade Real Collision ASBI Grenade Real Collision Carnage 2 Acknowledgements: TickRate Doors by Orange57 downloadsupdated 5 y ago
- Humans Onlyby Great Shark 🦈Only humans can enter. No Bots are allowed. What's the difference with the "No Bot" mod previously created by 7:76? link below: The "No Bot" mod created by 7:76 still allow bots to be added from lobby. But it will kills them at the game start. This will prevent players to choose the character tha...57 downloadsupdated 6 y ago
- Shrek (Fallen Marines)by AstroCatNip"Ogres are like onions!" -Shrek If your or a friendly marine die in infection mode or accident 32s final mission they turn into shrek, easy as. All right are reservt to dreamworks entertainment.57 downloadsupdated 20 mo ago
- Glowing Small Boxby Eternal hopa connman116Reupload of an addon by MID (if i recall correctly ) It makes the the small boxes ( refered to as red box in files) glow57 downloadsupdated 13 mo ago
- Flag Marines (Spain)by hy236Add the Spain'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 (Estonia): Flag Marines (Austral...56 downloadsupdated 7 y ago
- dark lvl oneby Blenderochik56 downloadsupdated 9 y ago
- Cocained Aliens challengeby jhheight56 downloadsupdated 12 mo ago
- 0mshordesoundsby 7656119837586194756 downloadsupdated 2 y ago
- Artillery Rangers challengeby jhheightMarines enter an artillery ranger infested territory where rangers fire high speed explosive projectiles55 downloadsupdated 11 mo ago
- Funky Cops BGM Menuby Funky BaniThis mod replaces the bgm menu by "Let's Boogie" from Funky Cops Enjoy o/55 downloadsupdated 9 y ago
- Sekiro Backgrounds (16:9)by AdelanteReplaces the default backgrounds and some loading screens with Sekiro-themed wallpapers. After installation, restart the game. Заменяет стандартные фоны и некоторые экраны загрузки на тематические обои из Sekiro. После установки перезапустите игру. 将默认背景和一些加载画面替换为《只狼》主题壁纸。 安装后,请重启游戏。 기본 배경과 일부 로딩...55 downloadsupdated 16 mo 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.

