Mods / BossAlien Swarm: Reactive Drop mods
Alien Swarm: Reactive Drop boss mods
Everything filed under boss by its own author, ordered by how much it is used.
2 boss mods, most downloaded first · newest update 20 Jun 2026
Allchallenge281skin247Sound170Weapons142Marine141campaign116model102prototype rifle89Assault Rifle87heavy rifle82Music80vindicator79Autogun79combat rifle76marksman rifle75bulldog72Weapon70devastator62Deagle59shotgun57HUD53Sounds52Models47Bonus45Grenade Launcher43halo42UI407:7634replacement33ASBI30survival29Texture27Minigun24Config24Blue Archive21Glow19Voice19flag18Space18Dead Space18alien18Railgun17Particles16Drone16marines15animated15Flamethrower14Crosshair14Chainsaw14Meme13Combine13Ammo12rifle12Half Life12particle12Background12Challenges11warframe11blue11Horde11Custom11Grenade10emote10aliens10Adrenaline10faith10Textures10Swarm10Color10Skins9Audio9Arrow9Emotes9VGUI9 Soundtrack9Fun8Glowing8loading7Barrel7menu7Effect7Training7Starcraft7crash7Max Payne6Loading Screen6Guns5Medkit5Anime5gunshot5Red5Gun5health5Escape5Interface5modding5fix5
- Alien-Commando <V6.34>by 76561198382502117---Welcome Alien Commando--- Players can allocate their character's skill points according to the map needs and their preferences and playing methods, and use the characteristics of each professional group to realize the cooperation between players, so as to complete the target task! Note: due to...5.2k downloadsupdated 4 mo ago
- Xezon Boss Battleby 76561199056155844try to deffeat the boss of Xezons! i tried to make a somewhat sopiler in the picture, i really tried at my best! -R--T-LS -RE --E-D T- -IM508 downloadsupdated 4 y ago
2 boss 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.