Alien Swarm: Reactive Drop mods
Alien Swarm: Reactive Drop challenge mods
Everything filed under challenge by its own author, ordered by how much it is used.
281 challenge mods, most downloaded first · newest update 27 Oct 2026
Allchallenge281skin247Sound170Weapons142Marine141campaign116model102prototype rifle89Assault Rifle87heavy rifle82Music80vindicator79Autogun79combat rifle76marksman rifle75bulldog72Weapon70devastator62Deagle59shotgun57HUD53Sounds52Models47Bonus45Grenade Launcher43halo42UI407:7634replacement33ASBI30survival29Texture27Minigun24Config24Blue Archive21Glow19Voice19Space18Dead Space18flag18alien18Railgun17Drone16Particles16marines15animated15Flamethrower14Crosshair14Chainsaw14Meme13Combine13Background12particle12Half Life12rifle12Ammo12Horde11Challenges11blue11warframe11Custom11emote10Adrenaline10Grenade10Textures10Color10aliens10Swarm10faith10Skins9Arrow9 Soundtrack9Emotes9Audio9VGUI9Fun8Glowing8Effect7Starcraft7loading7crash7menu7Barrel7Training7Max Payne6Loading Screen6Anime5fix5Guns5Interface5Red5Gun5Escape5health5Medkit5gunshot5modding5
281 challenge mods
- ASBI Veteranby ModdedMarionetteCurrent Version: Release v2.4 (Local installation's version can be checked via console at mission start by every player) 中文描述 Veterans of dealing with aliens create veterans of dealing with marines. This challenge aims to offer disruptions to the usual meta in addition to the base ASBI without ch...175 downloadsupdated 7 mo ago
- Level 1 + Skill Pointsby AstroCatNipSimple as is: -Level 1 Guns and extras + Custom skill points. -Comes with standard asbi version.172 downloadsupdated 23 mo ago
- Trainingby FrodoInfinite adrenaline to practise harder difficulties - 35% speed(normal adrena) - 50% speed - 75% speed171 downloadsupdated 6 y ago
- Funplayers Modby JoeyMore Hornet Rockets More ammo bags More Tesla Traps More ammo for Amp healing gun More ammo for MTD Rockets More ammo + Damage Flamethrower More ammo Assault Rifle Challenge Added! +More Aliens +Aliens Drop Loot sometimes +Ammo Boxes now fill Secondary Ammunition +Revive Enabled +No FriendlyFire...170 downloadsupdated 7 y ago
- Auto Level Up (Challenge)by 76561198361189189Auto Level Up (Challenge) After setting challenge to "Auto Level Up" and clicking Start Mission, the mission will be completed automatically and marines earn the maximum experience of the mission, and then the mission automatically restart. The progress will stop after finishing a few missions in...170 downloadsupdated 5 mo ago
- Arachnid Swarm (Challenge)by ModdedMarionetteCurrent Version: Beta v3.2 (Local installation's version can be checked via console at mission start by every player) Arachnid Swarm challenge Fight HUGE swarms of Uber Drones with WALLS of sentries... An Alien Swarm experience inspired by Starship Troopers: Extermination. You will be shooting lo...168 downloadsupdated 6 mo ago
- ASRD : RDK_EDF modby ターニャall level do it (only Onslaught )167 downloadsupdated 9 y ago
- ASBI-UNOFFICIALby 南方167 downloadsupdated 8 y ago
- Casual Modby BlankAlien Stats decrease. Aliens spawns increased. Casual weapons and builds for fun!166 downloadsupdated 9 y ago
- Weapon Memory Challengeby jhheightyour weapons randomly change every 5 to 30 seconds (configurable) inspired by short/long memory challenge's which disappeared from workshop original challenge by 7:76 using adrenaline activates a bubble shield, shining your flashlight at aliens at close range ignites them, shooting from railgun p...164 downloadsupdated 3 y ago
- ASRD : Newbe mod (alpha ver)by ターニャ+ options Revive : revive time - 2/s Hp regennator 7/s ammo sat : add more ammo med sat : add more med sat secondry ammo resupply : (rifle granade) biomass ignite from explosions (explpsions weapone attacked ) Fast reloading / add reload bar add more smart bomb , hornet missiles =================...163 downloadsupdated 9 y ago
- One Hit (ALL)by 口鲿v謑笲On the basis of One Hit" -Adjust weapon attack power value+10000. -player have only 1hp. -alien increased 基于One Hit -武器基础伤害调为10000 -玩家只有一点血 -异形增加162 downloadsupdated 5 y ago
- Homing Missileby Great Shark 🦈Homing Missile Marines are issued with Homing Missiles to help them kill the aliens. The missile are capable to be fired individually, each missile is fast and deadly for the alien. Tip: Use this mod if you want new playing experience. Ammo will grant additional +10 charges for homing missiles. R...159 downloadsupdated 6 y ago
- Restricted Weapons Challengeby OlteriRestrict available weapons for extra challenge. Biomass ignites from explosions and flares. Adds challenges: Restricted Weapons - Ban most weapons to force weaker alternatives. Restricted Weapons ASBI - Ban most weapons to force weaker alternatives. Includes ASBI. Restricted Weapons Railgun Only...159 downloadsupdated 16 mo ago
- Snake Game Challengeby jhheightA working snake game inside Alien Swarm Reactive Drop move with usual movement keys (default WASD) - difficulty changes grid size, easy = 5x5, normal = 7x7, hard = 11x11, insane = 15x15, brutal = 21x21 - onslaught speeds up the snake depending on your current score - hardcore friendly fire speeds...158 downloadsupdated 3 y ago
- GrimCore: CLG: MapWorm++by GrimowyExplore maps quickly and safely! Mapworm++ autokill (toggle) speeding up or slowing down time (toggle) Off/On First Person Mode (toggle) autohax (toggle) jumping (toggle) godmode (toggle) free flashlight (default switch: caps lock) unlimited ammo and extras full arsenal including the hidden one f...153 downloadsupdated 13 mo ago
- Sentry Only Challengeby ||||||||||||||||||||149 downloadsupdated 8 y ago
- New Level One Challengerby 76561198449148877Add more weapon and item from Level One. Revive and Heal regen is on. Hack is simple and faster. Sentry: can be destroyed by marine, alien not attack, infinity ammo.149 downloadsupdated 9 y ago
- Chainsaw Massacare V2by imelmanAdds a challenge focusing on your trusty melee tool - chainsaw. You can only use support weapons like sentries/meds/tesla to help you out beside it, however, explosions ignite biomass, meaning frag grenades are going to help you out in those, but most importantly, chainsaw is buffed in one or two...148 downloadsupdated 2 y ago
- tiaoyueby uncle有了它 可以去试试地图的边缘148 downloadsupdated 3 y ago
- Shared Damage Challengeby jhheightNow you can not only kill someone in particular or yourself with friendly fire, but the whole team at once! The damage you take gets shared between all other marines. Healing items are a little bit restricted. Example: 4 marines alive, you take 40 damage, means all 4 marines take 10 damage. ASBI...145 downloadsupdated 4 y ago
- Exsuse Me!by 7:76When marines collide, they bounce off each other. Be polite.144 downloadsupdated 3 y ago
- [ASBI] Challengesby SfasteriatASBI + Hopeful Try143 downloadsupdated 4 y ago
- 盾酱(树猫)的奇妙冒险(shield bug)by 76561198404160403会瞬移 会飞 会肘击 不许欺负盾酱(树猫)139 downloadsupdated 21 mo ago
- Better Bots, A10 Minigun, Modified Tesla, Reduced FF and Energyby Silver SurferBetter bots and energy challenges are put together. FF is reduced. Modified Minigun: 3,000 RPM, 100 damage and 500 rounds Modified Tesla: 50 damage Modified Chainsaw: 6,000RPM and 1,000 damage138 downloadsupdated 3 y ago
- Classic Top Downby OrangeChallenges with oldschool Alien Swarm camera: Default game Level One One Hit Riflemod ASBI and ASBI PRO (credits to Egur)135 downloadsupdated 6 y ago
- c5 hordesby 76561198413520989134 downloadsupdated 20 mo ago
- save teamby 76561198377136806only one function save your team 只有一个功能救人133 downloadsupdated 4 y ago
- ASBI OnRangeby OrangeRange Matters. Close you get to spawn positions, weakier the drones! +ASBI + Carnage x2 additional challenge131 downloadsupdated 9 y ago
- RDK_Survive S2 (+Queen)by ターニャRDK_Survive S ver + / Queen Spown Aliens +HP 50%128 downloadsupdated 5 y ago
- Combat Medicby Great Shark 🦈Combat Medic All marine is now combat medic in this mod challenge. What's the rules? 1. All marine is made equal, no one can walk faster, has higher hp or anything, all marine is equal (no skill stats). 2. All marine can only use double SMG medgun (this is the challenging part) and Smoke Gas as t...126 downloadsupdated 6 y ago
- Get Awayby 7:76Every time there is a sign for a random marine. After a random time, the surroundings explode. It has a low chance to burn, jump, or heal instead of an explosion. It's safe to stay away from the team once you have a sign. (If there is only one marine left, no sign is made)124 downloadsupdated 21 mo ago
- Sizable HXL1 Challengeby IKittyThis is a mod I have been working on very hard for the past 1 and a half month. So please give it chance by playing it, before judging a mod by its cover and screenshots. I have tested the gameplay and alienspawns over hundreds of times and constantly updated the spawns to suit a nice fun gamepla...122 downloadsupdated 9 y ago
- Nonce Patrolby Mama Freya'All is fair in love and war but diddlin' kiddies, so we've gotta blast the bugs, odd out the evens, and save the children no matter how many of 'em we lose as collateral. Buckle up, Nonce Patrol, we're going in hard and fast then fast and hard.' + Aliens drop Ammo and Medkits + Revive Incapacita...122 downloadsupdated 6 y ago
- RepirNoASBI E2by 76561198375861947beta now easy version 2 but Alien health and speed are doubled on Difficulty 2 A deeper understanding of playing ASBI in the future This challenges increases a lot of fault tolerance on the basis of the original Able to slowly restore HP +1HP/5s High damage not dying directly, probably item ice g...118 downloadsupdated 4 y ago
- OmegaModby OmegaRogueEdit of Weapons Overhaul & Teammate Revive to make stuff OP116 downloadsupdated 7 y ago
- clOWN's Onslaught Challengeby clOWNWhen i was making this challenge i had 3 things in mind. 1.Volitile team play, Keeping everyone on their toes. 2.Varied and constant onslaught spawns. 3. Less Distractions with the UI. There is no indicator besides the minimap when teammates are off screen, also there is no player names so you ca...115 downloadsupdated 9 y ago
- Bouncing Bettyby OrangeThis is a special challenge that adds bouncy to grenade launcher grenades NOTE: Requires custom server.dll on a server. Visit to read more about and install \ find already valid server113 downloadsupdated 5 y ago
- Turbo x2by OrangeCause need even moar fasta. By request. NoHope Challenges approved by iehhgghjejyght !110 downloadsupdated 4 y ago
- StixsworldHD's Mega Challenge Packby StixsmasterHD4kStixsworldHD's Mega Challenge Pack 200 brand-new, hand-crafted challenges for Alien Swarm: Reactive Drop. Weapon-restriction loadouts, alien overhauls, marine condition twists, themed scenarios, deathmatch curveballs, difficulty tiers III–V, infection variants, and dozens of combo presets — all i...110 downloadsupdated 6 mo ago
- The Protector Challenger (v1.38) (Update 15.08.2018)by 76561198449148877A challenge based on the inspiration of Inaka (Chobihige & macalth) and ECCxx (Yinka). Items & ammo: Auto refill when dont use item and don't shoot. All can hack. Alien: Antlion and parasite is the fear. Marine: Officer is protector! Skill of tech is better than normal. .............................108 downloadsupdated 8 y ago
- happy asbiby 76561198375473023you can revive after you are knocked out 120s print special code 'godienoobs' will make all knocked out marine die print revive code of knocked out marine, they will revive behind you107 downloadsupdated 7 y ago
- Vanilla Carnage x2 Challengeby RevenantCarnage always x2107 downloadsupdated 9 y ago
- Marine Swap Challengeby jhheightEvery 10 seconds you randomly swap marines with someone else.105 downloadsupdated 4 y ago
- Invincible attribute of charactersby 76561199027182112Characters will have super invincible attributes!103 downloadsupdated 5 y ago
- Level One+ASBI Challengeby RevenantLevel One+ASBI Challenge All In One102 downloadsupdated 9 y ago
- ASBAby element109Are you an ASBA?101 downloadsupdated 4 y ago
- Alien Swarm 2K4 Settingsby AstroCatNip"The Sigma Campaign wasnt this though."-Sarge/Crash This Recreates the game rules and setting from alien swarm 2k4/ Unreal alien swarm. ///This mod includes: -AS2k4 armoury -Old topdown view as secondary challenge -Reset skill points to 0, choose what you want to skill over the lenght of a campai...100 downloadsupdated 23 mo ago
281 challenge 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.

