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
- Go H4rdby Nyuthree horde sound out of this: vocaroo.com/i/s0RSGOupY1mV Go H4rd ________________________ fixed after gayupdate. needs soundvolume on94 downloadsupdated 9 y ago
- workshop.cfg for dedicated serverby DmitriyThis add-on contains workshop.cfg file which includes most custom maps and challenges. It is intended for dedicated servers only. On your dedicated server, create workshop.cfg file with just one line: rd_enable_workshop_item 2098291960 Your server will then use workshop.cfg from this add-on and d...94 downloadsupdated 5 y ago
- Quake Hit Soundby 7:76Quake 3 Arena Hit Sound. Set the Hit Sounds to “Default”.94 downloadsupdated 3 y ago
- CSO weapon pack 3by imelmanReplaces various weapons with ones from Counter Strike Online/Nexon Zombies/Studio. A stockpile of weaponry being released. Model source:94 downloadsupdated 4 y ago
- (EAR PIERCINGLY LOUD EDITION) Running in the 90sby JarioSome guy wanted this, god knows why, download at your own risk, I'm not kidding, it's really loud and really hurts, do not blame me for any negative effects this may cause. You have been warned.93 downloadsupdated 9 y ago
- Evil AI Alphaby TtosokWellcome to my first challenge. It still an demo right now but other said it good enough so i posted it. Tks alot helping from other and my own teacher :P hope you all like it and if there any thought about plz tell me. The challenge is there an AI controling the map try to stop you by spawning f...93 downloadsupdated 4 y ago
- Blue Arrowby 7:76Simple blue arrow93 downloadsupdated 3 y ago
- 1UP!!! meds soundby 76561198375861947meds sound look like a opportunity No matter what you do,the end,you have to take it one step at a time It fills you with determination93 downloadsupdated 4 y ago
- Barrel Warning v2 (Stable)by AstroCatNipThis mod adds a warning icon to explosive barrels. This affects: -Red barrels -yellow barrels Credit: Astrocatnip - building the effects Grimcore - finding a solution to the multiplayer crashes Ben lubar - providing a stabilisation archive93 downloadsupdated 12 mo ago
- Friendly Fireby element109Friendly fire is real!92 downloadsupdated 4 y ago
- GTA 5 Wasted (Mission failure)by AstroCatNipReplaces the mission failed Sound with the gta 5 (wasted) death sound.92 downloadsupdated 14 mo ago
- 替换榴弹音效by 765611996425479487.22觉得声音小,调游戏里面的音频+扬声器配置 音效素材来源于网络 7.27调整了榴弹爆炸的声音大小,如需原版,请联系我。92 downloadsupdated 2 y ago
- I Hate Those : Vanillaby trick-masterTransform all enemies into a specific type Current allowed ennemies are : - Mortar - Buzzer - Shieldbug - Queen - Harvester - Parasite - Shaman - Antlion - Boomer - Ranger - Über Based on this challenge : I added new enemy types, put vanilla settings instead of asb2, and removed parasite + shield...91 downloadsupdated 7 y ago
- Blue Archive Nico/Kazusa colonistsby imelmanReplaces colonists with Kazusa/Nico from Blue Archive. Made thanks to my newly developed skills in HL2/GMOD. Model source:91 downloadsupdated 18 mo ago
- Sin Emergence weapon packby imelmanReplaces the prototype rifle, bulldog and devastator with ones from Sin game.91 downloadsupdated 4 y ago
- Starcraft 2 - Terran Weapon Packby 76561198414561081This isn't my mod, shout out to the original creator, I just removed the sound files. Replaces some of the weapon model with ones from Starcraft 2: Autogun -> C-14 Gauss Rifle Marksman Rifle -> C-10 Canister Rifle Devastator -> Hellfire Shotgun91 downloadsupdated 11 mo ago
- Circuit Breakerby element109Simple Version Here90 downloadsupdated 4 y ago
- Firearm Audio Replacement Packageby RShibbsStraight from Shibbs Tech's advanced southern Wisconsin labs, come the Firearm Audio Replace Package (FARP) for Alien Swarm! Using high tech auditory technology, we've changed the sounds of most of the Marine's ballastic armory, because why not?90 downloadsupdated 8 y ago
- なつきネコloading iconby 76561198375861947loading gif icon90 downloadsupdated 3 y ago
- Nijisanji Ienaga Mugi/Sister Cleaire vtubers marinesby imelmanReplaces swarm marines with virtual youtubers Sister Cleaire/Ienaga Mugi from Nijisanji. Art doesn't belong to me, used only for in-game images. Model source:90 downloadsupdated 4 y ago
- Save Herby 7:76When a lone marine becomes dangerous, a random marine teleports to his side, helping him with hero abilities.90 downloadsupdated 3 y ago
- Pre-alpha Queenby AstroCatNipThe queen baised on its pre beta consept art of alien swarm infested.90 downloadsupdated 4 y ago
- Heal beacon timeout warningby locklannRequested by Swarc; adds a 5 second countdown to the heal beacon.90 downloadsupdated 13 mo ago
- Glow Aliens Patchby AutoGavyAn old update broke the glow aliens addon , causing harvesters and biomass to display weird green lights. This'll fix it.90 downloadsupdated 17 mo ago
- 雨中冒险挑战 - 增强版by 嗑瓜子雨中冒险挑战 - 增强版 Risk of Rain Challenge - Enhanced 新增与调整内容: New and updated features: - 任务失败或任务重启后,背包物品不会丢失,除非手动重置 - Backpack items are preserved after mission failure or restart unless you manually reset the run - 队友倒地后不会立刻死亡,而是进入失能状态;其他队友可以在旁边长按 E 救起 - Marines do not die immediately when downed; th...90 downloadsupdated 6 mo ago
- AS:I Mininglaser/Teslacannonby AstroCatNipReplaces the retail mininglaser/teslacannon with the alien swarm:infested beta version, even comes with custom sounds. All right to the Alien swarm infested assets go to valve and black cat stuidos.89 downloadsupdated 20 mo ago
- Max Payne - Beretta | Twin Pistolsby TrinityChanges the M73 Twin Pistols' sounds into the ones used by the Beretta from Max Payne. - Source Zip88 downloadsupdated 6 y ago
- Miniguns Strike Challengeby DmitriyIn this challenge only Miniguns are allowed to be used as primary weapons. You can also use ammo, sentries and heals. Settings: Freeze grenades and ECA are not allowed, to make parasites and shieldbugs more dangerous. Sentries do not block aliens and can be destroyed by them. Two sided hordes of...88 downloadsupdated 7 y ago
- pririfle-m4a1 M4A1换技术步枪by 7656119841352098988 downloadsupdated 2 y ago
- Arknight Endfield Estella/Laevatin marinesby imelmanReplaces swarm marines with Laevatain/Estella from Arknight Endfield. Art doesnt belong to me, used only for in-game imagery. Model source:88 downloadsupdated 7 mo ago
- MMod x Jakes Beefier Weapon soundsby 76561199224553445Uses sounds from hl2 mmod x Jakes beefier sounds to make the alien swarm weapon stronger.88 downloadsupdated 2 mo ago
- Gray Gasby hangumi-The gas turns color gray. -New effect fix -CAUTION : you may not be able to see well depending on your surroundings. :( Have Fun!87 downloadsupdated 21 mo ago
- Striped Marine Helmetsby legomanasThis add-on gives each marine's helmet a uniquely colored, bright stripe for easy identification. Also, they look cool. Special thanks to AstroCatNip and Grimowy for helping with this add-on.87 downloadsupdated 19 mo ago
- Starcraft Soundpackby 76561198414561081Replaces various soundfiles within the game with those from Starcraft 1, and a few from Starcraft 2. I'll give a more updated description on what was changed later, for now I'm just gonna be happy I finally managed to get this project off the ground. I hope you'll enjoy it. ^^ Update: It would ap...87 downloadsupdated 8 mo ago
- miniworld killing spreeused miniworld killing spree87 downloadsupdated 3 mo ago
- Starcraft 2 Protoss zealot armorby imelmanReplaces heavy armor with Protoss zealot armor from Starcraft 2. Model source:86 downloadsupdated 2 y ago
- Anti Troll Packby FrodoA must have, to stop 99% of all your troll problems - Backfire - Meta Have 1 noob with high ff? He's probably not using a meta weapon? Switching this on meta weapons stay normal ff while noob weapons get backfire - Backfire - Saw/GL Is the noob using a meta weapon? Just use this one - Backfire -...85 downloadsupdated 6 y ago
- poisoned atmoby typical russianin an atmosphere poisoned by alien and radioactive barrels, holes in a brave Space Marine's suit can lead to catastrophic consequences. While injured, you will take some damage until a medic or repair kit repairs the holes in your spacesuit. but if you delay the treatment, then a new alien life w...85 downloadsupdated 5 y ago
- Valve weapon packby imelmanReplaces various weapons with ones from Valve games. A revision of old addons on top of mixing them into a single package of good weaponry. I had multiple candidates for certain slots, but either they are below high model quality, or reserved for a future addon. Plenty of models are remakes of th...85 downloadsupdated 2 y ago
- MGS V Musicby AstroCatNipChanges alien swarm (basic) music and ui sounds with soundtracks from: metal gear solid phantom pain/ground zero. (also some ui sounds) All copy right for the sound go kojima and konami.85 downloadsupdated 4 y ago
- chainsaw small sound(10%)by 76561198375861947no chainsaw sound 🔊🚫 chainsaw small sound(25%) chainsaw small sound(50%) The abandoned seeds give birth to new green shoots. Blooming green shoots、 after all, are sharp deadwood.84 downloadsupdated 4 y ago
- PGR Lucia marinesby imelmanReplaces swarm marines with Lucia from Punishing Gray Raven. Adjusted for new update bone structure. Art is not mine, used only for in-game images. Model source:83 downloadsupdated 4 y ago
- ASBI Boundsby jhheightAll credits go to Reit Bounds challenge with added ASBI83 downloadsupdated 4 y ago
- Salty Allstars Boomstickby Risb0Grenade launcher working with custom skins and glowing bullsh!t. Recommended with: Poland border barrier destroyer tool, free migrants!83 downloadsupdated 19 mo ago
- o rin !(cat dance!)by 76561198375861947probably is explosions Remember it! 5-sided o rin harvester!cat! cat! cat!82 downloadsupdated 4 y ago
- Original Gas Grenade Particle Dark Yellow Color Variationby DmitriyReplaces gas grenade particle to the original one. Changes color to dark yellow instead of original green.82 downloadsupdated 4 y ago
- 自用榴弹包(轨迹,爆炸,音效)by 7656119897783006682 downloadsupdated 12 mo ago
- Gachimuchi soundsby imelmanReplaces various sounds with Gachimuchi ones.81 downloadsupdated 3 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.

