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
- Evil AI Recodeby TtosokRecode Final version of Evil Ai. Inspirator : Chompinstomp, pip.pipson Tester: nogilny, QuantumRipple New take on my older challenge Difficuty-Damage: Easy-100% Normal-80% Hard-50% Insane-20% Brutal-1% Via Weapon of mass Easy: 70hp Normal: 50hp Hard: 20hp Insane: 10hp Brutal: 5hp Via Bomb from Fl...96 downloadsupdated 4 y ago
- Level One+One Hit Challengeby RevenantLevel One+One Hit Challenge All In One95 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
- Friendly Fireby element109Friendly fire is real!92 downloadsupdated 4 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
- 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
- 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
- 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
- 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
- ASBI Boundsby jhheightAll credits go to Reit Bounds challenge with added ASBI83 downloadsupdated 4 y ago
- ASRD : RDK_Invasion MODby ターニャ(only Onslaught ) realitic balance no hp regen add more "pero rist" peropero !81 downloadsupdated 9 y ago
- One Hit Reviveby Great Shark 🦈One Hit Revive This mod combines one hit challenge with Instant Revive for new gameplay experience. What's the rules? You die within single hit by aliens, friend can revive you instantly. Healing items/medgun can't be selected in the lobby (you don't need it anyway). Friendly Fire is real, so be...81 downloadsupdated 6 y ago
- Bacon Balanceby trick-masterWrite "+" and "-" to change firerate of the Beacon! Was made for this thread :78 downloadsupdated 5 y ago
- Difficulty Tier 4by AutoGavyneed rd_difficulty_tier supports > 278 downloadsupdated 7 y ago
- HOPEFUL TRY Classic Challengesby SfasteriatIf You Run Out Of Ammo, Try To Use Mortars Shots Against Shieldbugs. (A Custom Hopeful Try Challenge Is Enabled) (More Bonus For Ammo Boxes) (More Bonus For Med Satchels)78 downloadsupdated 4 y ago
- Moar Dakka!by ^^Infinite ammo Infinite secondaries Flashlight Revive Even less friendly fire Gork & Mork approved76 downloadsupdated 3 y ago
- I Like Trains Challengeby jhheight76 downloadsupdated 4 mo ago
- RDK_Survive_S3by ターニャ75 downloadsupdated 9 y ago
- RDF Challengeby jhheightSpeedrun your favorite official map defrag style. Typing !help in chat will tell you everything you need to know. For best experience for other people playing they have to be also subscribed to this challenge. Each map has bronze, silver, gold and author medals you can try to beat, have fun RDF D...68 downloadsupdated 18 mo ago
- Healthpocalypseby imelmanAdds a challenge based around having no meds, other than first aid kits you can equip or find. Has a variant that allows you to loot some from aliens. Naturally this makes medic undesirable, but if you really want their gas grenades...66 downloadsupdated 2 y ago
- RepirNoASBI E3by 76561198375861947beta now easy version 3 Alien health and speed are very doubled on Difficulty 3 and more alien 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, pro...58 downloadsupdated 4 y ago
- Grenade Real Collision Challengeby chaoSNow your teammates can also block your grenades, so watch out for anything. Contains additional challenges: ASBI Grenade Real Collision ASBI Grenade Real Collision Carnage 2 Acknowledgements: TickRate Doors by Orange57 downloadsupdated 5 y ago
- Humans Onlyby Great Shark 🦈Only humans can enter. No Bots are allowed. What's the difference with the "No Bot" mod previously created by 7:76? link below: The "No Bot" mod created by 7:76 still allow bots to be added from lobby. But it will kills them at the game start. This will prevent players to choose the character tha...57 downloadsupdated 6 y ago
- dark lvl oneby Blenderochik56 downloadsupdated 9 y ago
- Cocained Aliens challengeby jhheight56 downloadsupdated 12 mo ago
- Artillery Rangers challengeby jhheightMarines enter an artillery ranger infested territory where rangers fire high speed explosive projectiles55 downloadsupdated 11 mo ago
- Bounds 2.0by trick-masterThis is another take on Bounds challenge from Reit (can be found here : ) In this version, instead of getting damaged when not linked to another, you will instead getting slower and slower until you can't move at all. Stay within range, marine!54 downloadsupdated 5 y ago
- Mapwormby 7:76※ Use this challenge to learn the map or practice specific skills. Enter "/save" in the chat window to save your current location. When you type "/load" in the chat or fire the railgun, you'll be teleported to the saved location. ● Kill enemies automatically ● All Arms Unlock ● Ammunition, Item I...52 downloadsupdated 2 y ago
- RNG mutation C2by bitbitroomsomeone want this no update now coz rq game last update : 2024/12/8 version: 0.6 update : 2025/12/20 r5c2 --> rng mutation c2 update : 2025/12/21 死亡人数过多会触发核弹 触发条件: 8R 5S 7R 4S 6R 3S Too many marine deaths could trigger a nuclear trigger : 5P 3D 4P 2D 3P 2D 1P 2P no trigger version: 0.61 update :...48 downloadsupdated 8 mo ago
- RepirNoASBI N1by 76561198375861947beta now normal version 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 High damage not dying directly, probably item ice grenade have larger range Charging armor 's duration is slower I...47 downloadsupdated 4 y ago
- Fragileby 7:76If you take damage, you die. +2 more hardcore challenge include.44 downloadsupdated 7 y ago
- RepirNoASBI N2by 76561198375861947beta now normal version 2 Alien health and speed are very doubled on Difficulty 2 more alien 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 High damage not dying directly, probably item...44 downloadsupdated 4 y ago
- Riflemod No Reviveby ModdedMarionetteI'm surprised that this doesn't already exist. This is basically the exact same challenge as Riflemod except revive system is disabled. Have fun.43 downloadsupdated 2 y ago
- Hordemixedby hangumi-All alien types of enemies appear -Also includes a Give Me the Power version43 downloadsupdated 5 d ago
- No Racism Challengeby jhheightMarines and aliens get assigned a random color, you can only damage aliens that are the same color as your marine is. No racism! Playing solo is basically the same as normal game38 downloadsupdated 7 mo ago
- ASBI Noobby OlteriASBI without the ASBI spawnset. This is an exact copy of regular ASBI included in the base game, but without extra spawns etc. added by the spawnset normally present in ASBI. This challenge still has all other ASBI features: faster alien movement speed, increased friendly fire, no 1hp protection,...36 downloadsupdated 17 mo ago
- Brutal calibreby OrangeEpic Old Classic by Katsukaze. From the times of ASBI creation36 downloadsupdated 4 mo ago
- Module for host and server (Read Description!)by 76561198397429538HOW IT WORKS This is not a challenge. This is a helper module for leader. It only works when in the lobby. When you need it just change the challenge. Modules includes descriptions. Description will be appear below challenge list. After used module back to your challenge. Enjoy. Feedback is impor...35 downloadsupdated 4 y ago
- Krezi Challengesby ConversationGreetings and Salutations. I am new to this modding stuff. These are a collection of challenges with some adaptations from various other challenges, notably; 32player server - disables leaderboard -for the mapspawn.nut -and console commands - input "sv_mapspawn_nut_exec 1" - leader/lobby host typ...34 downloadsupdated 3 y ago
- Perfect Glass Cannonby 76561199073788338All damage you deal is amplified by 30%. All damage you take is amplified by 60%. Simple Amplified: All marine can hack No death protection Can be ignited by flares or explosion Deluxe Amplified: +Based on Simple version +Hand Grenade is fun +Extinguish can freeze hostile(even cause some dmg) +Mo...33 downloadsupdated 4 y 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.

