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
- Invisible Aliens Challengeby jhheightchallenge that makes all aliens invisible asbi version incluided if i missed any aliens tell me224 downloadsupdated 5 y ago
- Demolition Expertby Great Shark 🦈Demolition Expert All Marines are specialized for destruction of the aliens and to blow them into pieces. Marine also issued with mega bomb (offhand item) that can be thrown to enemies. Expect a lot of explosions in this challenge. Tip: Use this mod if you want new playing experience. Ammo will g...223 downloadsupdated 6 y ago
- Trepang2 Musicby AstroCatNip//Erase your light, Take your flight, To a place where you be rememeber, To a place where you be loved.// Credit: All rights to the music belong to the trepang studios, team17 and Brandon McKagan.223 downloadsupdated 23 mo ago
- Re Zero Rem/Ram marinesby imelmanReplaces swarm marines with Ram/Rem from Re Zero. Art doesn't belong to me, used only for in-game images. Model source:222 downloadsupdated 4 y ago
- Nega Swarm (RC)by 76561198397429538𝐍𝐞𝐠𝐚'𝐬 𝐒𝐰𝐚𝐫𝐦 𝐂𝐡𝐚𝐥𝐥𝐞𝐧𝐠𝐞 𝐯2.4.8 "Warning for Players: This challenge includes rapid visual effects and flashing lights that may trigger seizures in individuals with photosensitive epilepsy. Play at your own risk." Overview Nega's Swarm Challenge is a high-intensity, system-driven gameplay overhaul...222 downloadsupdated 5 mo ago
- Aliens Drop Lootby 南方222 downloadsupdated 8 y ago
- LEVEL-5-RAILGUN------超电磁炮(金)-Grenade(Gold)by 76561199352236073某科学的超电磁炮(✧∇✧)!222 downloadsupdated 3 y ago
- Insurgency weapon pack 2by imelmanReplaces various weapons with ones from Insurgency. A pack with second variation.222 downloadsupdated 4 y ago
- OnFire BackFire Challengesby OrangeOnFire forces flamer to be way more pro weapon. Every time you hit an alien it recieves speedboost for some seconds. Yeah the Frenzy. So it is harder to hit and run now. Since we force more teamwork this additionally combined with BackFire to return friendly fire to an attacker. Have fun.220 downloadsupdated 9 y ago
- Hacking crosshair V2 by Ax-nowby Ax-nowSlightly different version of this addon: (None active hacking crosshair is now red)220 downloadsupdated 2 y ago
- Real Weapon Sound: Grenade Launcherby Minigun SpecialistReplaces grenade launcher shoot sound. Sound extracted from this addon: All credits to original author218 downloadsupdated 4 y ago
- Hellion Puzzleby AutoGavy# Hellion Puzzle - A Special Edition separated from ASB² Changes from regular game mode: - Uses Horde Interval and Spawn Settings from ASBI - Disabled slowmotion - Enabled two sided hordes - Harder wire hacks - Reduced Buzzer's attack interval - All buttons and computers require a hack, new-added...218 downloadsupdated 7 y ago
- Redflame GL skinby Ax-nowChange grenade luncher skin color. -add some red and black painting -add red / pink flames at the tip of the cannon217 downloadsupdated 4 y ago
- 191by 76561198413520989217 downloadsupdated 21 mo ago
- M9K weapon pack 2by imelmanAnother early release as a celebration of my community service. Replaces various weapons with M9K ones. Model source:216 downloadsupdated 4 y ago
- AS:I Beta Aliens (2023 fix + No glow)by AstroCatNipReplaces the 90% of the retail aliens with the AS:I closed beta variants. but... ...they only glow as much as black cat games origianlly intented. /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// ! if you d...215 downloadsupdated 3 y ago
- Survival Infestationby Risb0Resist the waves of aliens in biology colony resarch #42 until the satellite sends information about the invaded camp. Credits: -------- -Original author - Models for the alien plants for the purple tree base for the utilitarian space truck fot the outpost building for all the rts typed buildings...214 downloadsupdated 2 y ago
- Blue gasby hangumi-The gas turns color blue -New effect fix Have Fun! :)213 downloadsupdated 21 mo ago
- Antlionguard Glowing Redby DmitriyThis skin makes brown antlion guard glow with red color213 downloadsupdated 6 y ago
- Tesla/Flamer mixupby imelmanA challenge that focuses on 2 utility weapons - tesla cannon and flamer. It boosts them so they can be used as offensive weapons but you sure can handle the hordes coming at you?213 downloadsupdated 2 y ago
- centered mapby 76561198409982067Make the minimap transparent and paste it into the center of the screen notice: Clash with Custom HUD console: asw_scanner_background 0 (Turn off black background) rd_draw_minimap 0 (Make the minimap transparent)213 downloadsupdated 2 y ago
- CSO2 weapon pack 6by imelmanReplaces various weapons with ones from Counter Strike Online 2. A final stockpile pack with leftovers, but also a farewell. Model source:213 downloadsupdated 4 y ago
- Search For Salvationby legomanasOriginally made for RCI2025, development stopped after PC died and we made Skycrashers instead. The full campaign is finally finished after a year-long hiatus. Contains four missions. -Windy Trail -No Hope -Breach of Protocol -Compromised -???... Or maybe it contains five? I hope you enjoy it. Ma...213 downloadsupdated 2 mo ago
- Ice Ageby 7:76Aliens freeze instead of dying. Finish frozen Aliens with a punch. The surrounding ice will also break at once.212 downloadsupdated 7 y ago
- liudanby 76561198814337563212 downloadsupdated 4 y ago
- ASRD : Minigun_modby ターニャ(only Onslaught )211 downloadsupdated 9 y ago
- GrimCore: UI: Aliens SandStorm 2026by GrimowyCustom UI: Aliens SandStorm 2026 contains video background link to: version without video background expands functionality reduces unnecessary elements Read it! 阅读它! After subscribing or re-enabling the add-on, restart the game twice for everything to work properly. Each update of the add-on may...211 downloadsupdated 3 mo ago
- High Definition Cakeby Ben LubarReplaces the Portal cake model with the Portal with RTX cake model. Original cake model by Valve Corporation; high resolution model by NVIDIA and Lightspeed Studios. Warning: This cake is thirty megabytes. Rydberg Nuclear Reactor (in its entirety) is twenty six megabytes.210 downloadsupdated 4 y ago
- Vtuber Amane Kanata/Himemori Luna marinesby imelmanReplaces swarm marines with Hololive virtual youtubers Himemori Luna/Amane Kanata. Still more to go before completly exhausting my stockpile of addons. Art is not mine, used only for in-game images. Model source:208 downloadsupdated 4 y ago
- Hud Layout 2022 (16:9)by 76561198397429538New Style Hud Layout Bigger minimap. Minimal design for 8 players support. Requirements: Minimum resolution: 1920x1080 (16:9 aspect ratio). Otherwise, 7 or less players will appear in GUI. If you want to use this addon standalone use the command on below: "asw_fast_reload_under_marine" "1" Compit...208 downloadsupdated 4 y ago
- MADLRby sadrexMore Aliens + Drop Loot + Random Map Особенности: Снаряжение добавляет новые эффекты. Переделаны скилы десантников. Переработан урон от оружия. Все оружие и снаряжение доступно вне класса. Добавлен мод Random Map. Офицер: при смерти наносит урон по области. Пулеметчик: убрано снижение скорости пр...208 downloadsupdated 7 mo ago
- Red Flamerby jhheightReplaces orange flamer particles with red flamer particles. Made with this guide:208 downloadsupdated 7 y ago
- Animated Heal Amp Gunby Risb0Animated tank texture (Thunderbolt)208 downloadsupdated 4 y ago
- Touhou Cirno/Daiyousei marinesby imelmanReplaces swarm marines with Daiyousei/Cirno from Touhou series. A stockpile ready to be unfolded. Art doesn't belong to me, used only for in-game images. Model source:208 downloadsupdated 4 y ago
- Tim Swarm: Reactive AEUHHH??by ApparitionThis mod replaces all of the character voices with the infamous grunt. I edited it to match the in-game radio effects so as not to break immersion. Inspired by:207 downloadsupdated 9 y ago
- My Test Add-onby gpgpgpgp1234Test. Test. Test.207 downloadsupdated 9 y ago
- CSO weapon packby imelmanReplaces various weapons with ones from Counter Strike Online/Nexon Zombies/Studio. Model source:207 downloadsupdated 4 y ago
- Alien Swarm Loading Screenby YOJIMBO206 downloadsupdated 9 y ago
- Backfire + Energy Weapons Onslaughtby BigrandThis is a little joke... Credits to Mad Orange ( Backfire ) & Dmitriy ( Energy Weapons Onslaught )206 downloadsupdated 9 y ago
- 除医生的毒烟/A better doctor's poisonby 76561199017573982It looks very clean206 downloadsupdated 3 y ago
- Red Mine Fire And Colorful Vindicator Grenadeby hy236Red mine fire and colorful vindicator grenade. Wish you will like them. Enjoy~ seperation addons: Red mine fire: Colorful vindicator grenade: P.S.:This addon is not compatible with other addons about changing the color of flamethrower fire. Please close those addons before using this addon.(such...205 downloadsupdated 8 y ago
- fps boostby 76561199238794631205 downloadsupdated 4 y ago
- BrainBread 2 weapon packby imelmanReplaces various weapons with BrainBread 2 ones.205 downloadsupdated 4 y ago
- Raising The Bar weapon packby imelmanReplaces various weapons from a Half Life 2 mod Raising The Bar.204 downloadsupdated 4 y ago
- Azure wave Devastator skinby Ax-nowChange color skin of AA42 HAS42 Devastator.204 downloadsupdated 2 y ago
- Payday 2 weapon pack 2by imelmanRepalces various weapons with ones from Payday 2. A pack with leftovers. Model source:204 downloadsupdated 3 y ago
- Arknight Gavial/Tomimi marinesby imelmanReplaces swarm marines with Tomimi/Gavial from Arknight. Art doesn't belong to me, used only for in-game images. Model source:204 downloadsupdated 4 y ago
- Mine! Mine! Mine! Droneby AstroCatNipThis mod turns any sound the drone makes into mine sound of the greedy mine seagulls from finding nemo. Inspired by this l4d2 mod:204 downloadsupdated 19 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.

