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
- Duke's Crosshairby Duke MSimplified, easier to spot, fitting to the ingame-ui styles crosshair replacement. Reloadbar inside crosshair is disabled. Other stuff used in the screenshot: Colorful Marines No Grain Weapon retexture459 downloadsupdated 10 y ago
- 加血条(所有官方挑战)by 76561198375473023add health bar for official challenge454 downloadsupdated 7 y ago
- Source engine weapon packby imelmanReplaces various weapons with ones from various Source engine games, you know, that I did ported to this game. I tried to give every game a fair representation, that is what I could with what I had. Pretty much almost every weapon, regardless of quality of the game in question. Originally made fo...453 downloadsupdated 4 y ago
- r201 change rifle r201换突击步枪by 76561198413520989453 downloadsupdated 2 y ago
- 榴弹音效/Grenade Soundby 76561199017573982偏科技风吧,大概,也许,应该453 downloadsupdated 3 y ago
- Hololive Mumei/Towa Vtubers marinesby imelmanReplaces swarm marines with Hololive virtual youtubers Tokoyami Towa and Nanashi Mumei. Art is not mine, only used to represent in-game images. Notably, this involves 2 high poly models, which surprised me: one is at very least 100k vertexes, which L4D2 couldn't handle, but this...did. Model source:451 downloadsupdated 4 y ago
- Vocaloid Miku/Haku combine soldiersby imelmanReplaces combine soldiers with Yowane Haku/Hatsune Miku from Vocaloid. Model source:451 downloadsupdated 4 y ago
- Alien Shooter soundtrackby imelmanReplaces various music with Alien/Zombie Shooter series themes.451 downloadsupdated 2 y ago
- Middle Fingerby jhheightReplaces the "Be careful" emote with middle finger.450 downloadsupdated 9 y ago
- Flag Marines (Russia)by hy236Add the Russia'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 (French): Flag Marines (India): Flag Marines (Slovakia): Flag Marines (Estonia): Flag Marines (Australia): Flag Marines (Pol...448 downloadsupdated 8 y ago
- scartiger change combatrifle 战斗步枪换cf白虎by 76561198413520989447 downloadsupdated 2 y ago
- HLA weapon packby imelmanReplaces the prototype rifle, minigun and devastator with Half Life Alyx counterparts. Model source:446 downloadsupdated 4 y ago
- <<<搬运皮肤>>> 印花集金红双蝎换pistolby 76561198413520989446 downloadsupdated 21 mo ago
- Blue Archive Hifumi/Serina marinesby imelmanReplaces swarm marines with Serina/Hifumi from Blue Archive. Something that was supposed to be made earlier but now with skills I have, it is possible now. Art doesn't belong to me, used only for in-game imagery. Model source:445 downloadsupdated 3 y ago
- Bunny Hopby chaoSImplement bunny hop like all source engines. Better FOV Save Point Menu First Person Exclusive Convar Keys Speed status display Maps Recommendation : Deswarm DEFRAG Jacob's Rest Campaign Challenge Exclusive Commands : Leader Only bhop_gravity bhop_friction bhop_accelerate bhop_airaccelerate443 downloadsupdated 4 y ago
- ReworkBack Zombies Reviveby 76561198840840830Note : not fully tested so feedbacks are welcome ReworkBack Zombies Revive The aliens are gone. The ZOMBIES are here. Everything unlocked, and a challenge that adapts while you play. COMMANDS (press Y or U to chat, then type) - !control - config menu, lobby leader only. Faction: ZOMBIES (everythi...443 downloadsupdated 1 mo ago
- RUNNING IN THE 90s (Hardcore Edit) Escape Sound Modby JarioRunning In The 90s (Hardcore Edit) By Nice Job Bro0o0o0o0o0o0 replaces the escape music, it's a good meme, I swear.441 downloadsupdated 9 y ago
- Blue and white crystal(It glows)/蓝白色水晶锯(夜光)by 76561199017573982This is a work that accidentally made a mistake in some parameters, but it feels that the actual effect is not bad. 本来不是这个效果的但是嘛,其实看起来还不错就发创意工坊了:D441 downloadsupdated 3 y ago
- Reactive DeFRaG Beginner Campaignby jhheightInspired by Quake 3 Arena CPMA Physics DeFrag and other defrag style games like xonotic and turnt Autohop version of the campaign included, you can just hold jump in that version. RDF Beginner Line RDF Beginner Corners RDF Beginner Slick RDF Beginner Weapons RDF Beginner Strafe RDF Beginner Line...440 downloadsupdated 19 mo ago
- ASBI Classicby OrangeBecause some people try to touch well balanced ASBI played through more than 7 years we have to bring it back WITH RESTORED DRONES ACCELERATION.439 downloadsupdated 9 y ago
- (AS:I) Autogunby AstroCatNipThis is the textureless autogun from the alienswarm infested days. (somewhat restored) Link to the minigun version: All right to the Alien swarm infested assets go to valve and black cat stuidos.433 downloadsupdated 21 mo ago
- ASBI Carnage x2 Challengeby RevenantASBI Carnage x2 Challenge. Carnage always x2432 downloadsupdated 9 y ago
- 榴弹甩尾-尾迹-All Explode Weapon Trailby 76561199352236073图片为智能导弹演示,包含了榴弹,手榴弹,冰冻手雷,步枪下挂榴弹,蜂窝,智能,自动机枪。 A special mod which include all explode weapon's trail。432 downloadsupdated 3 y ago
- Plasma Tracer for Prototype Rifleby DmitriyThis add-on replaces tracer particle for Prototype Rifle to this one, which looks like a blob of plasma. This is more an example for artists than the actual add-on. This add-on overrides particles\asw_tracer_fx.pcf file which contains tracers for all weapons. This file can be opened in Alien Swar...431 downloadsupdated 2 mo ago
- Date A Live Kotori/Tohka marinesby imelmanReplaces swarm marines with Tohka/Kotori from Date A Live series. More stuff not part of stockpile from December. Art is not mine, used only for in-game images. Model source:429 downloadsupdated 4 y ago
- L4D2 Military Sniperby imelmanReplaces marksman rifle with Military Sniper from Left 4 Dead 2.426 downloadsupdated 4 y ago
- Football Specialby OrangeSometime we want to kick a ball. If there is no such thing ally marine is good enough too. Use a melee attack! To prevent real abuse: 1.You can not kick same marine twice within 2.5 seconds 2.You can not kick same marine more than 3 times within 13 seconds Also note: bots are on their own with ra...426 downloadsupdated 8 y ago
- Honkai Impact 3rd Li Sushang/Star Rail Kafka marinesby imelmanReplaces swarm marines with Kafka/Li Sushang from Honkai Star Rail/Impact 3rd respectively. Art doesn't belong to me, used only for in-game images. Model source: The other model was ported by SDF(ASD), source unavalible.425 downloadsupdated 3 y ago
- Blood Moonby trick-masterAttention Commander! We detect a Red Moon in the vicinity of the planet! As you should be aware, the aliens gain abnormal powers during a blood moon, it is not advised to kill them during this period. I repeat, do NOT kill the aliens during a blood moon unless it is a life or death situation! Dur...423 downloadsupdated 6 y ago
- Weapons Balancing 2 (Challenge)by 76561198361189189Weapons Balancing 2 Current Version: v1.7.2 This addon includes a series of improved challenges based on addon "Weapons Balancing". Game mechanics are optimized, more weapons are buffed, marines are able to revive dying teammates, marines have a supply robot carrying ammo, aliens are stronger in...423 downloadsupdated 13 mo ago
- Arknight/Girl Frontline W/Sopmod marinesby imelmanReplaces swarm marines with Girl Frontline M4 Sopmod/Arknight W. Art doesn't belong to me, used only for in-game imagery. Model source:417 downloadsupdated 3 y ago
- Loadoutsby 76561198397429538Introduction It's replacing your default load-out for each marines. No need to waste your time any more. About The Change Check picture or table for details. How Does It Work After the game has launched it loads load-out config file once. It does not reset your changing in briefing. Have Fun! Loa...415 downloadsupdated 4 y ago
- Vindicator Furyby imelmanChallenge that focuses on Vindicator, a semi auto shotgun that is already known to be a solid choice for officers, but this time, its only gun that can kill efficently in the first place, and when you cannot have flamer to solve problems, it becomes the natural conclusion to conserve fire grenade...410 downloadsupdated 2 y ago
- gl change ba miku gl 榴弹换初音榴弹by 76561198413520989409 downloadsupdated 2 y ago
- Ruski CHAINSAWby NyuRealistic Chainsawsounds, from Revenant. Thanks Revenant Pic related408 downloadsupdated 9 y ago
- Lana's Vents "Maze" Path Guideby ZoleroxAn image that replaces your old "radar" image when playing "Lana's Vents" during the "Lana's escape" campaign. A red line shows you the correct way out of the maze. "Search Zolerox In Steam Workshop For More!"407 downloadsupdated 7 y ago
- Just like old timesby AstroCatNip"Just like old times"-jaeger Is a mod that aims to bring some elements of alien swarm 2k4 and the as:i beta to asrd. -Some marines use their old and unused voicelines. -The standard music has been replaced with 2k4/ut2004 music. -Aliens sound a lot like they did back in 2k4 and look like they did...406 downloadsupdated 3 y ago
- BAGL 芝士榴弹by 76561198413520989替换blue archive芝士角色武器406 downloadsupdated 2 y ago
- Pan-Chan Droneby hangumiJuri's evil(?) creation has invaded the outer planet. Can you stop Pancake's tentacles? -Change the appearance of regular drone and Uber drone to Pan-Chan406 downloadsupdated 8 mo ago
- Fraken Vindicator For The Shotgunby [VI] Benjamin ZurielI wanted a remodel for the normal shotgun. there's none that keeps it to the Alien swarm aesthetic. So I had a go at it. A striped and modified version of the Vindicator for the all-use shotgun, this is literally my first model even though its just a copy from the Vindicator.404 downloadsupdated 6 y ago
- Cake replaces Medkitby ZoleroxReplaces the "personal medkit" with the Anniversary Cake Known Issues: When you join someone elses game, when a player drops the cake it's upside down. It works/drops the correct way up when you host a lobby, However it rolls around (like the flashlight) Credits: "TF2 Swarm Mod Guy" For redoing t...404 downloadsupdated 7 y ago
- Hololive Houshou Marine/Minato Aqua marinesby imelmanReplaces swarm marines with virtual youtubers Minato Aqua/Houshou Marine from Hololive. Another stockpile that I have been promising to release. Art is not mine, used only for in-game imagery. Model source:403 downloadsupdated 4 y ago
- Better Button Hacking Guiby 76561198397429538This addon replaces tiles and door status lights of button hack panel gui. Buy me a coffee:402 downloadsupdated 2 y ago
- MW2 weapon pack 2by imelmanReplaces various weapons with ones from Call of Duty Modern Warfare 2. A pack with leftover weapons. Model source:402 downloadsupdated 4 y ago
- Blue Archive Misaki/Miyu marinesby imelmanReplaces swarm marines with Miyu/Misaki from Blue Archive. Art doesn't belong to me, used only for in-game images. Model source:400 downloadsupdated 4 y ago
- RNG Challenge(4 players)by 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. While testing we found it fun to add a casual tint to this challenge so it has: - Random aliens, biomass an...398 downloadsupdated 7 y ago
- Call of Duty Remastered Hitmarkerby AstroCatNipReplaces the default hitmarker/killmarker with the call of duty one. In memory of those good old 2015 mlg montages.398 downloadsupdated 3 y ago
- Spongebob Death and Reload fail soundby AstroCatNipReplaces the following: Spongebob disapointed = Player Death Spongebob Boo-womp = Failed Reload Credits: All Sound effects right are reserved to Nickelodeon398 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.

