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
- Azur Lane Yuudachi/Takao marinesby imelmanReplaces swarm marines with Takao/Yuudachi from Azur Lane. Sooner or later, my stocks will be over and if I survive this ordeal, try to prove my rivals wrong. Art doesn't belong to me, used only for in-game imagery. Oh and the models are fairly high poly, one of which has 200k polygons and the ga...725 downloadsupdated 4 y ago
- Pusheen The Catby [CN]GodLikeAnimation Pusheen the Cat pointing arrow !!!722 downloadsupdated 5 y ago
- Combine Flag Marinesby hy236Add the Combine 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...722 downloadsupdated 8 y ago
- M82A1-Born Beast change sniper 毁灭大炮换射手步枪by 76561198413520989720 downloadsupdated 2 y ago
- Two Arrows (Blue)by BigrandMy arrow (Marine Pointer) Version Blue Enjoy!719 downloadsupdated 9 y ago
- Blue Steel Chainsaw AXby Ax-nowSkin for Chainsaw718 downloadsupdated 6 y ago
- SS2 Auto Shotgun (Devastator Replacement)by Deagledore_69420Replaces the Special Weapons Devastator with the Auto Shotgun from Serious Sam 2. It was orignially a Vindicator skin I used a few years back in old Alien Swarm, but I thought it might be fitting for the Devastator this time around, however the model might be a little small. Check out my other sk...716 downloadsupdated 7 y ago
- Girl Frontline M1918 marineby imelmanReplaces the 1st marine group(Sarge, Wildcat, Faith, Crash)with M1918 from Girl Frontline. 2nd piece of new addon format out of 4 to demonstrate what people will like in the future. Art is not mine, used only for in-game imagery. Model source:714 downloadsupdated 4 y ago
- Battlefield 3 Lens Flareby Minigun SpecialistThis mod changes vanilla lens flare and some lighting effects into Battlefield 3 lens flare style. Original mod:714 downloadsupdated 7 y ago
- Yippie parasites/xenomitesby AstroCatNipThe parasites/xenomites will now make the Yippie and deathscream sounds. credit: -the autistic creature meme sound -asrd group for the blushing parasite714 downloadsupdated 3 y ago
- The Forceby Great Shark 🦈The Force With this installed, you can kill enemies from afar, this is an additional feature for "The Jedi" Challenge. But it can be used in every game or other challenge as well. READ THE NOTE BELOW, IT'S IMPORTANT: NOTE: The Force effect will last permanently in your hosted games no matter if t...712 downloadsupdated 6 y ago
- Generals briefing menu themeby .ProroK.Resound briefing menu =================== Bill Brown & Mikael Sandgren - Command & Conquer: Generals Main Theme710 downloadsupdated 10 y ago
- 猛攻音效替换(你是一波...一波令人措不及防的猛攻)by 76561198963958572玩的是homo的梗,实际音频出自黑雷霆 注意音量以防被臭死(悲) ———————————————————— 2023.5.2更新: 裁剪语音以适应高难度下的连续猛攻(多次猛攻播报叠加泰潮辣) 降低分贝并添加淡出效果(大概降低了5分贝,如觉得小可以在高级音量里将“其他声音”适当提高)708 downloadsupdated 4 y ago
- ASRD OST replacement/ASRD游戏原声音乐包替换ver1.1by 76561198875228325感谢各位玩家的订阅,你们的支持是我最大的动力! 该音乐包替换游戏了原版的部分原声带,音乐包音乐选自alien shooter,halo和scp秘密实验室三个游戏,音乐包替换内容为: 1、主界面音乐 2、任务成功/失败界面音乐 3、选人界面音乐 4、所有有内置的音乐关卡的原音乐(例如第一章节的cargo elevator,timor station这类有内置音乐的关卡) 5、肾上腺素时间音乐 音乐包目前内容还不够完善,本鸽子正在努力更新。欢迎各位玩家在留言提出意见建议,再次感谢你们的支持,祝大家玩的开心:D ———————————————————————— 2022年5月14日下午3:43...707 downloadsupdated 5 y ago
- Gehenna Commanderby 7:76Gehenna students from Blue Archive give the briefing in Korean for the Nam Humanum campaign. It is recommended to use with Himari Commander.706 downloadsupdated 8 mo ago
- Grineer Voice (Wildcat)by ターニャFemale voice skin704 downloadsupdated 9 y ago
- NoTech Challengeby AutoGavyEveryone can be a tech marine, hacking is too easy!704 downloadsupdated 9 y ago
- Realistic Minigun Sound 2by Minigun SpecialistReplaces minigun sound Credits to this addon, ported from there:704 downloadsupdated 3 y ago
- Newbie Squad (Challenge)by 76561198361189189Current Versionv1.10.5 This is a mod that includes a series of challenges, suitable for novice players to play, experienced players to guide beginners, or transition to more difficult challenges. Mainly changes are: Improve a lot of game rules enhances the experience for novice players. When mari...701 downloadsupdated 2 y ago
- Girl Frontline 2 marinesby imelmanReplaces swarm marines with Girl Frontline 2 characters. A work that is a milestone celebration alongside experimenting on model techniques that made it in the first place. Art doesn't belong to me, used only for in-game imagery. Sarge - Cheeta Wildcat - Vepley Faith - Colphne Crash - Mayling She...697 downloadsupdated 3 y ago
- The Michael rosen voicepackby AstroCatNipThis mod Turns Jaeger to michael rosen.695 downloadsupdated 4 mo ago
- ASBI PROby Eerie-EgASBI PRO Changes from regular ASBI: - Two sided hordes. - Old drones acceleration is back. - Adrenaline disabled. - Hard hacks. - Camera rotation. - Map's weapons requirement removed. - Flamer is tripwired and will kill its owner, but it still could burn biomass and also flamers alt extinguisher...695 downloadsupdated 9 y ago
- Autogun BassBoosted Soundby Minigun SpecialistReplaces Autogun's sound to a bass boosted sound694 downloadsupdated 9 y ago
- 探索地图专用by 76561199473139058这个是探索地图专用系列,里面有很多种挑战让你探索每一张地图693 downloadsupdated 3 y ago
- The Elementsby Great Shark 🦈The Elements! Element of Fire will burn the enemies. The element of ice will freeze the enemies briefly. The element of electricity will stun enemies. The element of light can heal you or amplify your power. Extinguishers is one of the ice element that can freeze enemies. Fist powerup will increa...690 downloadsupdated 6 y ago
- Left 4 Dead 2 UIby imelmanReplaces UI, sounds and soundtrack to one from L4D2.688 downloadsupdated 4 y ago
- Chicken Dropby element109A Ch1ckens Coop remake. 4X Carnage 2X Alien Speed 2X Alien Strength No Reload Unlimited Ammo All players must have challenge installed. Note: Challenge modifies weapon scripts. It must be unchecked in the addon list to join regular online games. If you install this on a dedicated server all playe...681 downloadsupdated 4 y ago
- Emotes MasterBlaze's Editionby BigrandThis is my emotes, enjoy... :D Version 1.0: Added Ammo Emote Added Smile Emote - AWESOME! Added Warning Sign Emote Added Anime Emote - Pacman Facebook Added Go Emote ( Ugly Emote) Added Stop Sign Emote Added Question Emote P.S: autism come to me680 downloadsupdated 8 y ago
- 22A3-1 ''Brutal Assault Rifle''by 76561198400916072Just a recolor i made.. And btw its just called ''Brutal Assault Rifle'' because its red coloured. Yea, just because its red and cuz why not call it by this name? :v680 downloadsupdated 5 y ago
- Explosive Roundsby Great Shark 🦈Marines are now issued with a top secret experimental explosive rounds to blast the aliens away. Note: This Experimental Explosive rounds can also ignite biomass. Tip: Use this mod to help you killing the aliens. Explosive rounds can easily destroy door. Explosive rounds deal more damage to alien...679 downloadsupdated 6 y ago
- Light Machine Gun (LMG)by AstroCatNipThis replaces the autogun with a LMG (a slightly modifyed negev from csgo). -also has custom firing sounds credit:valve677 downloadsupdated 6 y ago
- L4d2 Musicby AstroCatNipReplaces alien swarms music with l4d2s music. works well with:675 downloadsupdated 4 y ago
- TF2 Pan (Powerfist)by AstroCatNipReplaces your powerfist with a pan. sounds included-675 downloadsupdated 23 mo ago
- Black Mesa: Marine Deathmatch Announcerby EddieboyThis add-on replaces the deathmatch announcer with a HECU Marine from Black Mesa. NOTE: If the mod isnt working, open console and type in "snd_rebuildaudiocache" without quotations and restart your game when its done loading. You can enable developer console in the Mouse/Keyboard settings.670 downloadsupdated 4 y ago
- [MReanim] - Marine Reanimation Baseby imelmanA animation base based off xdshot's method, this addon allows you to replace marine animations without completely replacing their animation set through individual model slots. As it stands, it has 18 slots, which you can adapt your animations from marine_reanims\marine_anims_slot_001.mdl to marin...665 downloadsupdated 4 y ago
- Bloodhound Skin (RNG)by AstroCatNipAdds 10 differently colored variants to the bloodhound for replayabilty.664 downloadsupdated 2 y ago
- Infinite ammo with reloadingby typical russianKeeps clips but allows reload by default restoring offhand items disabled. lobby leader has access to chat commands: - iar_offhand 1/0 (on/off offhand restoring) - iar_offhand (show current state)663 downloadsupdated 5 mo ago
- CSS marinesby imelmanReplaces swarm marines with Counter Strike Source characters.659 downloadsupdated 4 y ago
- usp change pistol usp换双手枪by 76561198413520989658 downloadsupdated 2 y ago
- Main+Briefing Menu Musicby RevenantMain+Briefing Menu Music. All music from RD directory656 downloadsupdated 9 y ago
- Harr's Custom Configby Har SwastikaThis mod changes stat by modifying the .txt files and in game command. So, you have to play a level with the "Harr's Custom Config" challenge enabled. This mod is not completed yet, so there will be much more update on the way. Most weapons changed to improve their combat performance and their us...656 downloadsupdated 6 y ago
- Blue Archive weapon pack 7by imelmanRepalces various weapons with ones from Blue Archive. A pack to count the equals. Model source:655 downloadsupdated 18 mo ago
- Marine Regenerative Cellsby Great Shark 🦈Marines are injected with super serum of regenerative cells, they are able to regenerate their health overtime. Tip: This mod challenge is useful for people who want a little help and nothing else. It's also suitable for solo run.. Recommended Difficulty: Normal, Hard Note: This is a challenge, t...654 downloadsupdated 6 y ago
- [補檔] removebuzzerblurby 76561198375861947654 downloadsupdated 2 y ago
- RNG Standard Challengeby DmitriyRNG(random number generator) challenge is about randomly placed aliens and biomass around a map which can break the regular rush strategies. Sometimes biomass can completely block your way. No other settings were changed in this challenge except filling maps with random aliens and biomass.650 downloadsupdated 7 y ago
- Blue snow tesla skinby Ax-nowSkin for Tesla cannon Slightly different version of Rock N Roll. - white paints are whiter and metal is blacker - energy is a lighter blue - small yellow labels have also been recolored Original addon:648 downloadsupdated 4 y ago
- Disable Nam Humanum Commander Voice Overby DmitriyDisables all commander etc. voice lines in Nam Humanum campaign. For people who re-play these missions hundreds of times.648 downloadsupdated 4 y ago
- [MReanim] - GMOD animationsby imelmanReplaces marine animations with ones from Garry's Mod. Requires Marine Reanimation Base to work. Replaces slot 1.646 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.

