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Alien Swarm: Reactive DropNewsAS:RD Update - November 1, 2025 "Cone of Fire"
In-game event

AS:RD Update - November 1, 2025 "Cone of Fire"

Alien Swarm: Reactive Drop · published 1 Nov 2025, 14:05 UTC · build 20549319

All newsPlayers around this dateRead on Steam

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 "flattened" recoil to work differently when aiming north or south versus east or west.

  • 22A3-1 Assault Rifle:
    Normal spread: 03° (wide) × 03° (tall) → unchanged.
    Crouch spread: 03° × 03° → 01° × 01°.
  • 22A4-2 Combat Rifle:
    Normal spread: 03° × 03° → unchanged.
    Crouch spread: 03° × 03° → 01° × 01°.
  • 22A5 Heavy Assault Rifle:
    Normal spread: 15° × 03° → unchanged.
    Crouch spread: 06° × 03° → 06° × 01°.
  • 22A7-Z Prototype Assault Rifle:
    Normal spread: 03° × 03° → unchanged.
    Crouch spread: 03° × 03° → 01° × 01°.
  • 50CMG4-1:
    Normal spread: 20° × ~2.5° (broken!) → 20° × 10°.
    Crouch spread: 20° × ~2.5° (broken!) → 10° × 05°.
  • IAF Medical SMG:
    Normal spread: 15° × ~2.5° (broken!) → 15° × 03°.
    Crouch spread: 06° × ~1.5° (broken!) → 06° × 01°.
  • IAF Minigun:
    Normal spread: 15° × ~2.5° (broken!) → 15° × 03°.
    Crouch spread: 06° × ~1.5° (broken!) → 06° × 01°.
  • K80 Personal Defense Weapon:
    Normal spread: 03° × 03° → unchanged.
    Crouch spread: 03° × 03° → 01° × 01°.
  • M42 Vindicator:
    Normal spread: 22° × 22° → 22° × 12°.
    Crouch spread: 22° × 22° → 16° × 06°.
  • Model 35 Pump-action Shotgun:
    Normal spread: 22° × 22° → 22° × 12°.
    Crouch spread: 22° × 22° → 16° × 06°.
  • PS50 Bulldog:
    Normal spread: 15° × ~2.5° (broken!) → 15° × 03°.
    Crouch spread: 06° × ~1.5° (broken!) → 06° × 01°.
  • S23A SynTek Autogun:
    Normal spread: 07° × 07° → 07° × 03°.
    Crouch spread: 07° × 07° → 04° × 01°.

Mission Improvements

  • Jacob's Rest: Cargo Elevator: Made the ceiling of the elevator slightly transparent to help with camera rotation.
  • Jacob's Rest: Cargo Elevator: Fixed some flickering on the exit door of the elevator.
  • Jacob's Rest: Deima Surface Bridge: Fixed some drone spawn locations on the bridge that resulted in stuck aliens.
  • Jacob's Rest: Deima Surface Bridge: Improved Onslaught spawning around the end of the bridge.
  • Research 7: Illyn Forest: Removed parasites from out-of-bounds eggs to improve performance. Improved alien navigation around first biomass. Fixed marines may get stuck there as well.
  • Research 7: Jericho Mines: Removed parasites from out-of-bounds eggs to improve performance.
  • Tears for Tarnor: Abandoned Maintenance Tunnels: Fixed aliens getting stuck around the laser.
  • Tears for Tarnor: Oasis Colony Spaceport: Fixed a xenomite spawn location in the control room that wasn't working. Fixed harvester moving to unreachable area near map end.
  • Tilarus-5: Arctic Infiltration: Fixed misleading collisions around the first airlock.
  • Tilarus-5: Communication Center: Fixed some rare crashes and improved visuals.
  • Lana's Escape: Lana's Maintenance: Fixed there sometimes not being enough hackable panels to fix the bridge.
  • Lana's Escape: Lana's Bridge: Minor performance improvements. Improved visuals of out-of-bounds cannon.
  • Paranoia: Hostile Places: Minor visual improvements.
  • Paranoia: High Tension: Fixed some instances of the ground flickering.
  • Paranoia: Crucial Point: Reduced terrain complexity that did not affect gameplay or visuals for slightly faster load time.
  • Nam Humanum: Platform XVII: Fixed onslaught aliens spawning in midair along the platform track.
  • Nam Humanum: Groundwork Labs: Fixed marines after the first eight (in special game modes with more than eight marines) getting stuck at the start.
  • Nam Humanum: Groundwork Labs: Fixed a performance hitch when approaching the central area in multiplayer.
  • Reduction: Fallen City: Fixed a fire near some eggs at the end of the mission being very slow to ignite.
  • DM Desert: Fixed obstacles being tinted dark blue.
  • Reduced networking traffic by optimizing prop_ragdoll on the following maps:
    • Jacob's Rest: Landing Bay
    • Jacob's Rest: SynTek Residental
    • Nam Humanum: Platform XVII
    • Paranoia: Close Contact
    • Paranoia: Crucial Point
    • Research 7: Jericho Mines
    • Tears for Tarnor: Insertion Point
    • Tilarus-5: Arctic Infiltration
    • Tilarus-5: Syntek Hospital

More from Alien Swarm: Reactive Drop

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In-game event20 Apr 2026AS: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 automatically disables high quality realtime shadows on AMD graphics cards that are affected by t…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…Game update20 Sep 2025Alien Swarm: Reactive Drop Hotfix - September 20, 2025A minor update has been released for Alien Swarm: Reactive Drop. · Fixed a client crash in the Traitors game mode. · Added a note in the Swarmopedia about the IAF Medical SMG's increased accuracy while crouching. · Added a description for EC-02 Stun Grenades in the Swarmopedia.