How many people are playing Alien Swarm: Reactive Drop right now?

Alien Swarm: Reactive Drop has 74 players on Steam right now, with a 24-hour peak of 221 and an all-time peak of 9,335 on Apr 2017.

What is the all-time peak player count of Alien Swarm: Reactive Drop?

9,335 concurrent players on Apr 2017.

When was Alien Swarm: Reactive Drop released on Steam?

Alien Swarm: Reactive Drop was released on Steam on 20 Apr 2017.

Status

SteamPeaks

Alien Swarm: Reactive Drop

GameApp ID 563,560by Reactive Drop TeamReleased 20 Apr 2017

WindowsEngine Source

View on SteamSteamCompare

App ID563,560

Release date20 Apr 2017

EngineSource

Install size6.67 GB

TypeGame

Last update6 Sep 2026

Steam DeckUnsupported

DLC0

DeveloperReactive Drop Team

Changenumber38,929,239

PriceFree

Packages1

PublisherReactive Drop Team

SystemsWindows

Followers—

Depots2

Compare this game

Alien Swarm: Reactive Drop

Reactive Drop Team
Released 20 Apr 2017·App 563560

Steam user reviews

Very Positive

94.9%· 23.8K reviews

Recent Very Positive · 85%

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

How it works

Playing now

−13 vs. yesterday

0.8%of peak

All-time peak

9,335

Apr 2017

30 announcements · from Alien Swarm: Reactive Drop’s Steam news feed

All gamesRead every half hour while active

Everything Updates11 Major updates2 In-game events14 Community5

Steam news6 Feb 2026Coming Soon: Steam PvP Fest 2026Every 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 deathmatch. You Deserve a Medal Participate in a Deathmatch skirmish in Alien Swarm: Reactive Drop du…

Alien Swarm: Reactive Drop News · SteamPeaks

Published	Kind	Announcement	Build
19 Apr 2024, 23:07 UTC	Steam news	Alien Swarm: Reactive Drop's 7th Birthday It's Alien Swarm: Reactive Drop's 7th birthday, and that means a week of double experience points from missions, our second annual mapping competition, and the possibility of cake. 2023 in Review Since Alien Swarm: Reactive Drop's 6th birthday last year, the game has gained improved shaders , better weapon readability , additions to Heroes of the Interstellar Armed Forces including mission boun…	—
25 Jan 2024, 18:00 UTC	Community	Upcoming changes to Heroes of the Interstellar Armed Forces Starting in Season 20 (February 2024), Heroes of the Interstellar Armed Forces is gaining two new sources of points. Additionally, we are updating the score multipliers of nearly every mission and many challenges. What's Heroes of the Interstellar Armed Forces? Heroes of the Interstellar Armed Forces (HoIAF) is a monthly competition to complete as many difficult missions as possible on particip…	—