ModsAlien 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
- Player Arrow - Blue (animated)by tekLustReplacement for the default player indicator arrow. Animated blue glow version. ------------------------------- Workshop Links: ------------------------------- - Blue Arrows - Green Arrows - Red Arrows - Orange Arrows - Pink Arrows - Purple Arrows - White Arrows -------------------------------9.2k downloadsupdated 8 y ago
- Real Weapon Soundby UKNOUTMaybe is not so real, it just sound more realistic, imo (worth it try out). Weapons with custom sound: M42 Vindicator, Model 35 Shotgun, 22A3-1 Assault Rifle, 22A7-Z Prototype AR, M73 Twin Pistol, K80 PDW, S23A Syn Tek Autogun, IAF ASG, AVK-36 Marksman Rifle, Deagle, AA42 Devastador and Others(In...9.0k downloadsupdated 10 y ago
- Dark Tactical Marinesby o'nite8.9k downloadsupdated 10 y ago
- Need Ammo !by Soulless JeluHave you ever wanted to survive long or to completely destroy all the bugs on the level ? But you don't have enough ammunition . I have a solution for this problem. All the basic ammunition load is increased . The box of ammo has inventory in 60 packs Flamethrower deals a little more damage , but...8.9k downloadsupdated 9 y ago
- AMBER Project Campaignby jhheightOver a year of wait and 400 hours of mapping. AMBER Project is a campaign where you are sent to a huge building to investigate an accident that happened while the company named "AMBER" was studying new organisms that were found in Sahara Desert caves. 4 maps: Information Department Powerhood Rese...8.8k downloadsupdated 4 y ago
- 无限弹药(无友伤)/UNLIMIT AMMO(NO friendly fire)by 76561198324693671在无限子弹的基础上添加了无友伤，方便朋友开黑 Cheers to the wonderful friendship between you and your friends : ) 原mod链接8.7k downloadsupdated 3 y ago
- Puzzle Bundle Campaignby 5564653254Puzzle Bundle is a campaign containing puzzle maps Brainwater Shieldbug Wrangling and Brainwater Warehouse by Nightgunner5, Industrial Jungle by Lycosa, Cube by Toby Kellaway, Red Thing Escape by -210. Check it out if you are up for puzzles! You will need to activate your brain and sometimes be v...8.7k downloadsupdated 10 y ago
- Accident 32 Campaignby jhheightAfter a year of wait and over 600 hours of mapping Accident 32 is a campaign where your crew is set out to investigate the accident of year 2032 and defuse the "chemical bomb" which is the Muon Gem before its too late. 3 maps: Confined Facility J5 Connector Lab Ruins Features unique content: - ne...8.6k downloadsupdated 4 y ago
- First Person + Jumpby 7:76First Person. You can JUMP. High jump mode included.8.5k downloadsupdated 4 y ago
- Turret-HL2by lucasrojasEste addon esta basado en la Turret de Half-Life 2 / This addon is based on the Turret of Half-Life 28.5k downloadsupdated 10 y ago
- Training Range (Updated 11/07/2022)by dilydaly123A shooting range, also a place to get your guns back from the original Alien Swarm (AKA POWER LEVEL). Kick back and relax with some friends. Lemme know if you think anything should be added. If you really wanna level fast, just keep completing the level by running into the map credits room over a...8.5k downloadsupdated 4 y ago
- Blue Archive weapon pack 2by imelmanReplaces various weapons with Blue Archive ones. Model port source:8.4k downloadsupdated 4 y ago
- All Weapons Unlockedby Great Shark 🦈All Weapons Unlocked Marine can use all weapons and offhand items regardless of class restriction. Marine must still have enough level to unlock certain weapons / offhand items that have level requirement. Tip: Use this challenge to have some fun in the game. Marine with skill stats can still ben...8.4k downloadsupdated 6 y ago
- Cataclysmby jhheightCataclysm consists of 2 maps: - Space Port Catastrophe - Train Station Investigation8.4k downloadsupdated 8 y ago
- Survival Bundleby 5564653254This is a collection of 2 survival maps gathered in one addon. List of maps - Killzone by "kh" - Frosty Remake by "Lycosa"8.4k downloadsupdated 7 y ago
- MA37 Assault Rifleby SabreA weapon skin for the Assault Rifle, the MA37 assault rifle from the Halo series. Includes model, texture, sounds, and UI icon.8.4k downloadsupdated 4 y ago
- Dio The World Adrenaline Sound Replacementby OreganoReplaces the adrenaline music with Dio's "The World" freeze time. This is not music, instead basically you're hearing dio count down until adrenaline is finished8.3k downloadsupdated 9 y ago
- M6D Desert Eagleby SabreA weapon skin for the Deagle, the M6D magnum from the Halo series. Includes model, texture, sound, and UI icon.8.3k downloadsupdated 4 y ago
- Jacob's Rest 7 in 2by jhheightNeed more large maps. Campaign consists of 2 maps: 1. Jacobs Rest from Landing Bay to Rydberg Reactor 2. Jacobs Rest from Syntek Residential to Timor Station There are some supplies like ammo, sometimes freeze nades, electrified armor between maps. On first map you only need tech for Landing Bay,...8.2k downloadsupdated 6 y ago
- Ground Zeroby ターニャ8.2k downloadsupdated 9 y ago
- Edgeby BladekillA delightful five map campaign. With a very delightful spaceship map at the end. Play till you die boys! Stay Frosty. Not made by me its by Jester_prince8.2k downloadsupdated 10 y ago
- M60by lucasrojasEste addon esta basado en la M60 arma pesada / This addon is based on the M60 heavy weapon8.2k downloadsupdated 10 y ago
- Operation: Chaos Theoryby RevenantOne mission campaign by Darkpigeon. A bio-weapon is on the loose, and you're the blokes that can stop it8.0k downloadsupdated 9 y ago
- L4D Character Pack (Beta)by EddieboyThe Left 4 Dead cast is here! This massive addon brings all the survivors to Alienswarm as fully playable characters. Build your team by mixing and matching your favorite survivors to face off against a new kind of horde. This includes the following: (Nearly) Full voice replacements for the exist...7.8k downloadsupdated 9 mo ago
- Metrulizer's Crosshairby MetrulizerCrosshair with a detailed ammo circle. Features a more visible quick-load tab and countdown segments. Version 2: Revised for a clearer forward direction. Changed outer ammo circle to solid 3/4 segment. Changed inner partial ring with quick-load tools to full ammo circle. Changed aimed-at-ally des...7.8k downloadsupdated 9 y ago
- Outpost 5 Campaignby 5564653254Outpost 5 is a one mission asw_tilegen based map by larrybrains. This map some funny gameplay elements never seen in other maps.7.8k downloadsupdated 10 y ago
- HD Explosion Decalby EddieboyThis addon replaces the Explosion Decal by a new one in 2K. This is a port from Ellies amazing L4D2 mod. The original mod can be found here:7.7k downloadsupdated 9 y ago
- City 17by Fuzzy "aNIMaL"Stable City 17 campaign 5 Maps: Train Station City Center Tunnel Fountain Citadel Obviously not mine, as the super friendly neighborhood commentators will state, but this is my fav campaign and the easiest way to share it. Had this map for well over 7 years. The recent one I tried was not stable...7.7k downloadsupdated 9 y ago
- M392 Precision Rail Rifleby SabreA skin for the Precision Rail Rifle, the M392 Designated Marksman Rifle from the Halo series. Includes model, textures, sounds, and UI icon.7.7k downloadsupdated 10 y ago
- Dead Temple Campaignby RevenantFive maps campaign created by Xacktar. Your squad has set down in an abandoned temple excavation...What awaits in the dark?7.6k downloadsupdated 9 y ago
- 插件:开关无限备弹,防御塔无限子弹,友军伤害by Nights.R★★只是订阅是无用的★★请下载现面的插件包进行安装★★ 2023-2-17 fix v1.8 download下载: ***/folder/6e9dhdk3v4ab6/ASRD ***=mediafire 度盘:pan点baidu点com/s/1ydVL0ZMltra9altK12TO9g?pwd=fbvp 提取码: fbvp 版本更新: v1.1 修正开关无限机枪塔子弹的一个错误而引起了的游戏关闭 v1.2 修改了提示;添加本地主机127.0.0.1为管理员. v1.3 修正继续后还是在同一张图的bug(移除sourcemod自带的无用插件) v1.4 新增!rsm 开关死亡慢动作 v...7.5k downloadsupdated 10 y ago
- Tears for Tarnorby EzekelDISCLAIMER: I'm adding this to the workshop for historical purposes, as the version of Tears for Tarnor that is included with Reactive Drop is a more recent build than the last publically released version that I put out all those years ago. So for the most up-to-date Tarnor experience, I recommen...7.5k downloadsupdated 10 y ago
- C-14 Gauss Rifle (Replace Heavy Rifle)by HaristThe terran marine C-14 Gauss Rifle from StarCraft 2. (**REPLACE HEAVY RIFLE**) -fixed collision (for singleplayer) -low poly (no performance issue) -Sounds NOT included All credits for blizzard7.5k downloadsupdated 8 y ago
- Alien Hordeby GilmoreI felt that Alien Swarm did not live up to it's name, so I created this fun challenge. This challenge adds constant hordes of aliens that will spawn in to attack you, as well as some other additions that will help you manage the constant onslaught of aliens. Features include, - Constant hordes of...7.4k downloadsupdated 10 y ago
- Rifle-Avpby lucasrojasEste addon esta basado en el rifle de AvP / This addon is based on the AvP rifle7.4k downloadsupdated 10 y ago
- Smoke Tracersby HaristThis simple mod replace the standard bullet tracers with some cool new smoke tracers Takes effect for: -Minigun (no more laser tracer, but the bullet still red/orange) -All assault Rifles -Medical SMG -Desert Eagle Also replace muzzleflash Prototype rifle with the standard assault rifle muzzlefla...7.4k downloadsupdated 8 y ago
- Glow aliensby InfernoThis little mod makes all the alien models brighter which can be helpful in dark areas7.4k downloadsupdated 9 y ago
- NO friendly fireby hailtomichiganNO friendly fire. The damage values are set to zero. Setup: just start a lobby and pick NO friendly fire under challenges. Commands used asw_marine_ff_dmg_base 0 asw_marine_ff_dmg_step 0 Because some one asked: """ how to use it? sv_cheats 1 asw_marine_ff_dmg_base 0 asw_marine_ff_dmg_step 0 map x...7.3k downloadsupdated 9 y ago
- MA5B Combat Rifleby SabreA skin for the Combat Rifle, the MA5B assault rifle from the Halo series. Includes model, texture, sound, and UI icon. The assault rifle and combat rifle share the same fire sound, unfortunately.7.3k downloadsupdated 4 y ago
- Standlone Sentryby M@GISTERrevision 1.0 ------------ EN: *Standlone version sentry from Terminator Salvation.7.1k downloadsupdated 10 y ago
- MA5C Assault Rifleby SabreA skin for the Assault Rifle, the MA5C assault rifle from the Halo series. Includes model, texture, sounds, and UI icon. The assault rifle shares its fire sound with the combat rifle, unfortunately.7.1k downloadsupdated 4 y ago
- Outpost 7by BeanRadio contact lost with Output 7. Investigate.7.1k downloadsupdated 6 y ago
- The Gauntlet: Arcticby StralGAUNTLET advanced training simulation, Ref. IAF-WNTR82 --Survival Scenario: Arctic Caught in the middle of a snowstorm, your dropship has descended into unknown grounds. Stranded, what remains of your squad must resort to the defense of a derelict research station so as to repel the tempted Swarm...7.0k downloadsupdated 3 y ago
- SINTek corp.by Rock N RollThis map was found by me on the Internet, its author Target359 did not finish it and abandoned it, I wanted to get in touch with him but he didn't get online for more than half a year, so I decided to finish it. Those who played the original version of the map, they will understand how much the m...7.0k downloadsupdated 8 y ago
- Extermination Campaignby 5564653254This is what have become Tilarus-5 in Reactive Drop. Extermination version 1.5 is a campaign which unites these maps: Midnight Harvest Campaign by Jarhchief Arctic Infiltration by Specur Area 9800 by DK9800 Productions. This campaign was updated. See homepage Cold Catwalks by Hemuuuli / SJ Yanaur...6.9k downloadsupdated 10 y ago
- No Class Ristriction !by Soulless JeluNo more ! Take the Vindicator and Devostator playng as Tech and clear your way to Victory ! Conflict with mods , that changes class weapon . Fully compatible with my second mod .6.8k downloadsupdated 10 y ago
- AK74 and M4 for Assault and Prototype Riflesby BabyforceReplaces the model of the Assault Rifle with the AK74 with a GP-25 attached to it (for more "realism" since the base gun has a grenade launcher) and replaces the Prototype Rifle with a M4 and a M203 attached (Again, for more "realism") Includes custom models, custom icons (took me forever to make...6.8k downloadsupdated 10 y ago
- Alien Retextureby element1096.7k 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.