Alien Swarm: Reactive Drop

Compare Steam page

Co-operative top-down shooter game available for free. An epic bug hunt featuring a unique blend of co-op play and squad-level tactics.

Developer: Reactive Drop Team
Released: 20 Apr 2017
Price: Free to play
Platforms
Steam Deck: Unsupported
Languages: English +13
Controller: Full
Series: Alien Swarm

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Update posts

0 posts

Posts announcing an update, tagged as patch notes or not

Last 90 days · as of 29 Oct, 01:24 UTC

How this is measured

Posts in a game's official Steam news feed that announce an update: tagged as patch notes by the developer, or plainly about a patch or a released update.

News checked every 7 days. Observed since 20 Oct 2026.

An announcement is not a build. Developers can ship updates without a post, or post about several updates at once.
Untagged posts are recognised from their words, so a few updates are missed and a few other posts may be counted. Tagged posts are marked Patch notes on the Updates tab; recognised ones are marked Update.
Older posts are being read back through each game's history, most played games first, so months before October 2026 fill in over the coming days.

Source: Steam Web API, ISteamNews/GetNewsForApp. Full methodology

Announcements

AS:RD Update - April 20, 2026 "Going Up" Update
20 Apr 2026 · Community Announcements
Coming Soon: Steam PvP Fest 2026
6 Feb 2026 · Community Announcements
AS:RD Update - November 1, 2025 "Cone of Fire" Update
1 Nov 2025 · Community Announcements
Alien Swarm: Reactive Drop Hotfix - September 20, 2025 Patch notes
20 Sept 2025 · Community Announcements
Alien Swarm: Reactive Drop Hotfix - September 3, 2025 Patch notes
3 Sept 2025 · Community Announcements
AS:RD Update - September 1, 2025 "Electrical Hum" Update
1 Sept 2025 · Community Announcements
Alien Swarm: Reactive Drop Hotfix - July 22, 2025 Patch notes
22 Jul 2025 · Community Announcements
Alien Swarm: Reactive Drop's 8th Birthday
20 Apr 2025 · Community Announcements
AS:RD Update - April 20, 2025 "Received" Update
20 Apr 2025 · Community Announcements
AS:RD Update - January 1, 2025 "Scavenger" Update
31 Dec 2024 · Community Announcements
AS:RD Update - December 1, 2024 "Invitation" Update
30 Nov 2024 · Community Announcements
AS:RD Update - November 1, 2024 "Tune-Up" Update
1 Nov 2024 · Community Announcements
AS:RD Update - September 1, 2024 "Time's Down" Update
31 Aug 2024 · Community Announcements
Alien Swarm: Reactive Drop Update - August 1, 2024 Update
31 Jul 2024 · Community Announcements
Alien Swarm: Reactive Drop Update - July 15, 2024 Update
14 Jul 2024 · Community Announcements
Alien Swarm: Reactive Drop Update - July 1, 2024 Update
1 Jul 2024 · Community Announcements
Alien Swarm: Reactive Drop Update - June 1, 2024 Update
31 May 2024 · Community Announcements
Alien Swarm: Reactive Drop Hotfix - April 25, 2024 Patch notes
25 Apr 2024 · Community Announcements
Alien Swarm: Reactive Drop Hotfix - April 20, 2024 Patch notes
20 Apr 2024 · Community Announcements
Mapping Competition 2024: "Space Station"
19 Apr 2024 · Community Announcements
Alien Swarm: Reactive Drop's 7th Birthday
19 Apr 2024 · Community Announcements
Alien Swarm: Reactive Drop Hotfix - March 6, 2024 Patch notes
6 Mar 2024 · Community Announcements
Alien Swarm: Reactive Drop Hotfix - March 1, 2024 Patch notes
1 Mar 2024 · Community Announcements
Alien Swarm: Reactive Drop Update - March 1, 2024 Update
1 Mar 2024 · Community Announcements
Alien Swarm: Reactive Drop Hotfix - February 2, 2024 Patch notes
2 Feb 2024 · Community Announcements
Alien Swarm: Reactive Drop Update - February 1, 2024 Update
31 Jan 2024 · Community Announcements
Upcoming changes to Heroes of the Interstellar Armed Forces
25 Jan 2024 · Community Announcements
Alien Swarm: Reactive Drop Update - January 1, 2024 Update
31 Dec 2023 · Community Announcements
Alien Swarm: Reactive Drop Update - December 2, 2023 Patch notes
2 Dec 2023 · Community Announcements
Alien Swarm: Reactive Drop Update - December 1, 2023 Update
1 Dec 2023 · Community Announcements

From the game’s Steam news feed, last checked 29 Oct, 01:24 UTC. An announcement is not a build: games can update without posting. Every public build we saw is on the Builds tab.

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