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.
User reviews:
Overall:
Very Positive (1,724 reviews) - 94% of the 1,724 user reviews for this game are positive.
Release Date: Apr 20, 2017

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Play Alien Swarm: Reactive Drop

 

Recent updates View all (9)

April 27

Alien Swarm: Reactive Drop Hotfix

  • Fixed not all network bandwidth menu items can be selected with mouse
  • Disabled asw_mission_complete console command
  • Fixed Multiplayer menu item is not renamed in the in-game menu
  • Improved Operation Cleansweep: U.S.C. Medusa map.
    • Added a button to call first elevator bottom
    • Clipped lots of stuckable places
    • Fix biomass objective required 6 biomass instead of 8
    • Fix left biomass being ignited through wall

7 comments Read more

April 27

Alien Swarm: Reactive Drop Update Released


This update addresses networking issues when hosting 8 slot lobby. Adds tutorial TRAINING and GUI to turn off the death camera rotation. Orion's Threat achievements.

Networking

  • Double the bandwidth from listen server to clients for an 8 slot game. When hosting an 8 slot game sv_maxrate will automatically be set to 60000. rd_adjust_sv_maxrate cvar may be used to turn this feature off. sv_maxrate is not modified on dedicated servers.
  • Added UI for changing client's network bandwidth limit. Options - Game Settings. 512 kbps is recommended for playing on 8 player servers. This is the bandwidth that online game servers send to you during gameplay. Lower bandwidth rate setting can help avoid packet loss if your internet service provider or routers drop network packets. Insufficient bandwidth rate however can result in delayed network packets, resulting in ping increase and game entities warping in your view.
Note: It is highly recommended that dedicated servers which host 8 slots put sv_maxrate to at least 60000.

Training Tutorial
    Added main menu TRAINING item. Clicking this will load a tutorial map. Use this to learn the basics of the game.

Stats and Achievements
  • Added Orion's Threat and Bonus Missions stats.
  • Added achievements for Orion's Threat campaign

Death Camera
  • Added Death Camera UI into Game Settings window. Players can turn the cinematic camera rotation off. Leaving only the slowdown

Misc
  • Fix bots unable to use Medical Amplifier Gun to heal
  • Removed proxy from 50calmg.vmt
  • Fixed visual artifacts in Video Options window
  • Renamed Options - Multiplayer into Game Settings
  • Corrected main menu navigation using keyboard keys or controller
  • Fixed rd-tft2abandonedmaintenance.bsp didn't have string dictionaries

30 comments Read more

About This Game

Alien Swarm: Reactive Drop extends Alien Swarm, bringing more of everything: maps, aliens, game modes, guns... And most importantly Steam Workshop support.

  • Tactical co-op for up to 8 players with a top-down perspective
  • Steam Workshop support for community maps and challenges
  • New co-operative campaigns
  • Challenges: Modifications of the game, just like Mutations in Left 4 Dead 2
  • PvP: Deathmatch, Gun Game, Instagib, and Team Deathmatch
  • Singleplayer: Play with improved bots on all our official maps
  • New Aliens: HL2 antlion guards and more
  • New Weapons: Desert Eagle, Devastator, and Combat Rifle, with more to come
  • Over 100 Steam achievements
  • Leaderboards: compete with your friends for the fastest mission completion
  • Improved spectating: see hacking minigames and mouse movements in real time

System Requirements

    Minimum:
    • OS: Windows® XP or above
    • Processor: Pentium 4 3.0GHz
    • Memory: 2 GB RAM
    • Graphics: DirectX 9 compatible video card with 128 MB, Shader model 2.0. ATI X800, NVidia 6600 or better
    • DirectX: Version 9.0
    • Storage: 10 GB available space
    • Sound Card: DirectX 9.0c compatible sound card
    Recommended:
    • OS: Windows® XP or above
    • Processor: Intel core 2 duo 2.4GHz
    • Memory: 4 GB RAM
    • Graphics: DirectX 9 compatible video card with 128 MB, Shader model 2.0. ATI X800, NVidia 6600 or better
    • DirectX: Version 9.0c
    • Network: Broadband Internet connection
    • Storage: 10 GB available space
    • Sound Card: DirectX 9.0c compatible sound card
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