Adds new PvP game modes, co-op features and singleplayer support into Alien Swarm without changing its concept.

Report abuse Reactive Drop 1.04
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Apr 9th, 2014
1,046.10mb (1,096,918,417 bytes)
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Full version. Extract archive into sourcemods. Core features are 8 players support, Rifle Mod features, PvP game modes.

First public release of Reactive Drop. Extract to C:\Program Files (x86)\Steam\SteamApps\sourcemods\


This distribution includes content(campaigns) from third party level designers including:
Reduction by Tim Carter,
Research7 by Will Rogers,
Extermination by Jarhchief, Specur, hemuuuli, IBeMad,HappyHiker82, X-ray surgeon, Silver.Fox (Ayanami Fan), DIMEDROLL,
BioGen Corporation by uradzimiru
Call to Cathalu by xentrix74
City 17 by Mixmedia,
Dead City by Daniel101,
Survival Bundle by kh, Lycosa, DIMEDROLL,
Lana's Escape by Hephalistofene
Larnok by Valtteriasd
Operation Cleansweep by Steve76,
Paranoia by Eclipse,
Royal Harvest by PokerFlat
Tears for Tarnor by Ezekel
The Beginning by Kenny_WWE

Installation Instructions

Instructions in English

These instructions are for manual Reactive Drop installation. It is recommended to use Desura application to install and update Reactive Drop. All paths below assume that your Steam is installed into C:\Program Files (x86)\, if not then substitute your own path to Steam folder.

- Delete your previous version by deleting this folder
C:\Program Files (x86)\Steam\SteamApps\sourcemods\reactivedrop
- Extracts archive contents into this folder:
C:\Program Files (x86)\Steam\SteamApps\sourcemods\
- Restart Steam. No need to restart Steam if you already have "Alien Swarm Reactive Drop" in your game Library
- Open Steam -> Library. Find "Alien Swarm Reactive Drop" in the list of your games and run it.
- Ingame:

Use F8 to view scores.

m selectmarine
CTRL rotatecameraleft
ALT rotatecameraright
p rd_instagib_enable
o rd_instagib_disable
8 "rd_default_weapon 10" // set default weapon to railgun
9 "rd_default_weapon 16" // set default weapon to sniper rifle

If you don't see the game "Alien Swarm Reactive Drop" into Steam games Library then you've extracted it to a wrong folder. Make sure you have the GameInfo.txt file in this directory:
C:\Program Files (x86)\Steam\SteamApps\sourcemods\reactivedrop\GameInfo.txt

Инструкции на русском

- Если вы уже устанавливали предыдущие версии мода вам следует удалить их перед установкой новой версии
- Извлеките архив в папку:
C:\Program Files (x86)\Steam\SteamApps\sourcemods\
- Перезапустите Steam. Перезапускать Стим не нужно если у вас уже был установлен этот мод
- Откройте Steam -> Библиотека. Найдите "Alien Swarm Reactive Drop" в списке игр и запустите.
- В игре используйте
"m" для выбора персонажа в Десмаче
F8 что бы просмотреть ваш счет
"CTRL" для вращения камеры вправо (см. deathmatch.cfg)
"ALT " для вращения камеры влево (см. deathmatch.cfg)
"p" для включения режима InstaGib
"o" для выключения режима InstaGib
8 "rd_default_weapon 10" // set default weapon to railgun
9 "rd_default_weapon 16" // set default weapon to sniper rifle

Проблемы и решения

Если вы не видите "Alien Swarm Reactive Drop" в списке игр значит вы извлекли архив не в ту папку. Убедитесь что путь к файлу GameInfo.txt таков:
"путь к вашей папке Steam"\Steam\SteamApps\sourcemods\reactivedrop\GameInfo.txt
Естественно учитывайте расположение вашей папки Steam

v 1.04
- Fixed 8 player support
- Included the latest custom maps in the distribution
- Included all commands for gameplay customization from Rifle Mod. See Rifle Mod page for details
- Decreased punch speed back to normal
- Removed autoaiming onto marines for campaign mode
Version 1.02
- Added respawn countdown displaying in UI
- Added a message that shows a text "Press "Jump" to spawn"
- Added Display current team name into UI
- Added UI button for team changing
- Added ASW_DropExtra console command for dropping your extra item
- Added Links into main menu for feedback thread
- Added A cvar 'rd_deathmatch_loadout_allowed' to allow loadout selection for deathmatch. Set it to 1 to allow weapons' choosing
- Decreased blink recharge time to 5 seconds for Deathmatch
- Decreased minigun bullet spread when marine is crouched
- Decreased vindicator grenade exlode time for PvP game modes
- Enabled all weapons for Gun Game mode
- (currently disabled) Immediate spawn after selecting a marine
- ASW_ClearHouse command now also removes asw_drone_uber
- Added rd_respawn_time for controlling how much time does it take to respawn a player
- Added 2 new entities info_player_start_team1 and info_player_start_team2 for team respawn points
- Added these flags for all alien NPCs, they can be set up using Hammer editor: flammable, teslable, freezable, extra health, sizescale, speedscale
- Fixed Marine rolling angle is incorrect if the camera is rotated
- Fixed Update URL
- Fixed "# frags left" announcement repeats the same words several times
- Fixed crash on jump jet pickup and displaying its in loadout screen
- Fixed the bug when marine picks up an item and respawns with it if killed

- Blocked areas player shouldn't be able to reach in DM Frosty and DM Testlab maps
- Added team spawn points for all maps

Version 1.01

Update Checker
Moving to spawn location on game mode change
Countdown on deathmatch round ending
Sound notice on game mode change and for "N Frags left"
Flamer projectiles now take into account player's movement speed
Marines' chatter from Deathmatch is disabled
Marines now ignite from single flamer hit
Frags counter is decremented if marine was killed by an alien
Round ending music

Wrong weapon is given if frags count is negative

DM Desert

- soundscapes
- clips around the map
- clips in building
- nodegraph
- ladders on cars, platforms, buildings
- fog
- color correction
- metal grates to walk on top
- first spawn point duplicate

Version 1.00

- Game modes: Deathmatch, Instagib, Gun Game
- Implemented up to 32 player support
- Added 8 maps for PvP game modes
- Implemented camera 90 degree rotation

Preview Image
Reactive Drop 1.04
Post comment Comments
theshodan Apr 14 2014 says:

when did this first come out?

+1 vote     reply to comment
geotavros Author
geotavros Apr 15 2014 says:

This is first public release

+1 vote   reply to comment
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Released Apr 9, 2014
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