Lobbies · prototype · v0.1 · made for gamers

Released April 20, 2017 · Reactive Drop Team
Alien Swarm: Reactive Drop is a FREE and open source cooperative top down shooter. The player plays with other marines against hordes of aliens, in order to complete different objectives. In the game, there are 4 different classes to play, each one consisting of two characters with different statistics including some class restricted weapons. During gameplay, the player will earn experience, that is used to unlock new weapons and items to use in combat. The game combines elements from survival games like Shadow Grounds and Left for Dead.
Steam · 24K reviews · 95% positive
IGDB · out of 100
The Alien Swarm: Reactive Drop Lobby
AS:RD Update - April 20, 2026 "Going Up"
It's time once again for Alien Swarm: Reactive Drop's birthday. We're having a smaller one this year since a lot of our core contributors have been busy with other projects, but we've still got a lot of improvements to share and the usual week of double experience. AMD GPU Driver Crash The game now…
Coming Soon: Steam PvP Fest 2026
Every year, Valentines day is a time to be with friends and loved ones and reflect on your friendship and love. Well, not this year! In 2026, it's all about having simulated gun fights with friends and loved ones. Welcome to Steam PvP Fest 2026. There's nothing more romantic than a space marine dea…
AS:RD Update - November 1, 2025 "Cone of Fire"
Highlights Added a SynTek Residential themed main menu background. The camera feeds that display behind briefing have less static and are less distracting. Many guns are now more accurate while crouching. Weapons Weapon recoil has been changed on several guns. A coding error was previously causing…
via Steam