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:
Recent:
Very Positive - 89% of the 319 user reviews in the last 30 days are positive.
Overall:
Very Positive (4,842 reviews) - 93% of the 4,842 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 (13)

August 10

Alien Swarm: Reactive Drop Update Released


This update includes Swarmopedia, bug fixes and small improvements. Restart Steam to apply.

Changelog
  • Removed 'bolt-action' from Sniper Rifle description
  • Added client.dll to consistency check
  • Fixed player's level isn't visible(is cut) in translated languages during briefing
  • Fixed in-game main menu is cut in translated languages
  • Fixed crash in Level One challenge weapon selection. If More Starting Equipment add-on was installed on client and server doesn't have it client could crash a server by picking a weapon from the add-on weapons.
  • Added a chat message when marine is reserved in lobby. Display a yellow message in text when player can't select a marine in lobby due to marine reservation.
  • Prevented aliens spawning near marines in Operation CleanSweep campaign. Some rangers and boomers appeared in front of marines from air.
  • Adjusted drone spawners at rd-ocs1storagefacility
  • Added rd_techreq and rd_hackall cvars. If rd_techreq is 0 tech will be not required to start
    a mission. Mission will not restart if tech dies. 1 is default. If rd_hackall is 1 all marines can hack doors and computers
  • Fixed title text is cut in Friend Games window. For languages other than English the title text was cut. Also enlarged the same title for Found Public Games window
  • Adjusted main menu items width
  • Fixed rd_cam_marine_yaw_desired
  • Fixed asw_hide_local_marine
  • Added Swarmopedia
  • Added an info message when clicking No Steam menu item. Many players face the No Steam problem. When clicking this menu item we now display a window telling the most common solutions to this problem.
  • Increased net_splitpacket_maxrate to 40000 by default. Only if rd_adjust_sv_maxrate 1. We set it to 40k to combat stutter in player movement when there are a lot of aliens.
  • Don't show language selection in audio settings. Because it cannot hold all of our supported languages, audio language can be choosen in game's properties window in Steam. This is similar to how it works in L4D2
  • Moved main menu items 40 px higher
  • Fixed spelling errors in closecaption_english.txt.
  • Updated Ukrainian and Russian translations
  • Increased width of the title in Create Game window
  • Corrected Workshop Download Progress position. Workshop Download Progress was overlapping with Mission Details button in the briefing screen preventing clicking on this button. Now it is raised higher.
  • Added displaying challenge name in the F9(playerlist) window
  • Fixed remote code execution exploit. https://oneupsecurity.com/research/remote-code-execution-in-source-games
  • Fixed Difficulty Tier 2 challenge Easy is easier than Difficulty Tier 1 Brutal
  • Added immolate_hover_no_ground_fire particle effect.
  • Improved area9800LZ. Change immolate_hover particle to no ground. Add game instructor hints. Prevent aliens from spawning on top of marines' heads.
  • Renamed RES files, remove "_rd" suffix.
  • Updated all translations and closed captions
34 comments Read more

August 3

Translating Alien Swarm: Reactive Drop



We've added all languages to the game's properties window. You can now select game's language using Properties window. However, as with other Source Engine games, this only affects audio and subtitles. Game's interface uses the same language as Steam's interface is in.

If you would like to help to translate Alien Swarm: Reactive Drop please follow this link. All instructions are provided there.
13 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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