Reactive Drop is a completely free mod for Alien Swarm. Aims to have Player versus Player (PvP) game modes, add full single player support, enhance co-op part and add new content and features into original game without changing its concept.

Features
- 8 player co-op support
- Single player support for all maps except Deathmatch
- PvP game modes: Deathmatch, Instagib, Gun game, Team Deathmatch
- All Rifle Mod features
- Includes custom maps by third party developers

Download options and changelog
Installation instructions
Feedback
Steam group
Wiki

You need to have Alien Swarm installed in order to play Reactive Drop.

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RSS feed Articles

Team Deathmatch has Arrived

After a long coding, feature implementing and bug fixing the Team Deathmatch game mode is delivered. Currently it can be enabled\disabled on any DM map using console commands:
rd_teamdeathmatch_enable
rd_teamdeathmatch_disable
Or using keyboard keys "0" and "9" respectively, see cfg/deathmatch.cfg for details.
A new console command cl_select_loadout was added and bound to "m" key. It is used to select a marine and weapons for PvP game modes.
HUD and Loadout panel now show only team members.

The implementation of this game mode opens doors for new different team oriented game modes, like team elimination, capture the flag etc. It will probably be possible to allow mappers to create their own custom team vs team oriented scenarios. Something like "one team have to destroy one of 2 objects on a map, other team must stop them", or "one team needs to download critical data from one of 5 computers on a map and escape, other team must prevent this" etc.

General New Features

rd_deathmatch_loadout_allowed console variable controls whether the loadout is allowed for Deathmatch.
Added ladders support.
Added these flags for all alien NPCs, they can be set up using Hammer editor: flammable, teslable, freezable, extrahealth, sizescale, speedscale. These flags will allow mappers to significantly customize gameplay on their maps by creating stronger and faster aliens. It will be possible to create Bosses which will have a lot of HP and will be hard/uncommon to kill. There are plans of implementing a survival game mode, similar to DOW2 The Last Standalone, where marines have unlimited ammo and rechargeable extra items, they can revive the fallen squad mates...

The next step will be a round based team oriented game mode and a new map for this game mode.

This update has been upload to Desura and is currently waiting for approval.

Reactive Drop November Update

Reactive Drop November Update

News 0 comments

Added "Gun Game" mode, DM Desert map, created Steam group for scheduling game play events. Team deathmatch is in progress.

Deathmatch and InstaGib are Ready

Deathmatch and InstaGib are Ready

News 0 comments

Deathmatch and InstaGib game modes are ready for testing.

RSS feed Downloads
Reactive Drop 1.19 Full

Reactive Drop 1.19 Full

Full Version 1 comment

Full latest version. Delete old version. Extract to <path to steam>\SteamApps\sourcemods. Restart Steam. If you updated using patches there is no reason...

Reactive Drop 1.17 to 1.19 Patch 2

Reactive Drop 1.17 to 1.19 Patch 2

Patch 0 comments

This patch adds Silent Corridors campaign and resolves issues with Antlion Guard. Requires 1.17 or higher version installed. Extract this archive into...

Reactive Drop 1.17 to 1.19 Patch

Reactive Drop 1.17 to 1.19 Patch

Patch 2 comments

Adds updated version of Biogen Corporation, restores medgun functionality, improves onslaught hordes, fixes bugs and improves some maps. Requires 1.17...

Reactive Drop 1.17 to 1.18 Patch

Reactive Drop 1.17 to 1.18 Patch

Patch 0 comments

Adds new green skin for Antlion Guard, new map Nest Rapture, new challenge Difficulty Tier 2. Requires 1.17 version installed. Extract this archive into...

Reactive Drop 1.17

Reactive Drop 1.17

Full Version 4 comments

Delete old version. Extract to <path to steam>\SteamApps\sourcemods. Restart Steam. In this version you'll see bug fixes, map improvements, new map Nest...

Reactive Drop 1.13 to 1.16 Patch

Reactive Drop 1.13 to 1.16 Patch

Patch 0 comments

Requires version 1.13 installed. Extract to <path to steam>\SteamApps\sourcemods. Restart Steam. This update adds Antlion Guard from HL2 which spawns...

Comments  (0 - 10 of 16)
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Skulman54
Skulman54

Is DM broken? I can't select my marine.

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geotavros Creator
geotavros

Nothing is broken. You can select any marine in DM. Default key to open selection panel is "m". You can bind another key in keyboard settings in game.

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K☯rrasami
K☯rrasami

I can't select my marine in DeathMatch either, I press "m" and it's not working.

And yeah I'm trying to do this in Singleplayer.

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geotavros Creator
geotavros

Sorry, deathmatch doesn't work yet in singleplayer. If you want to see a DM map you can do this through console command: map dm_desert

Reply Good karma+1 vote
BenLubar
BenLubar

Three wishes:

1. Bots in PvP modes, even if their AI is just "run to nearest marine and fire weapon at them".

2. Up the squad size to 8 to allow me to go on a singleplayer mission with 8 marines.

3. Fix the "playing swarm (mod)" thing when looking at friends playing Reactive Drop.

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geotavros Creator
geotavros

1. Planning to add in next version.
2. This is on the list for future releases.
3. This is Steam's issue. Every mod(that is in sourcemods folder) is now displayed like that. See:
Steamcommunity.com

Reply Good karma+2 votes
K☯rrasami
K☯rrasami

Any chance of adding A Capture The Flag Gamemode?

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geotavros Creator
geotavros

Can be probably done. Are there mappers interested in this game mode?

Reply Good karma+1 vote
Nemesisurvivorleon
Nemesisurvivorleon

Needs bots. Every good multiplayer mod needs bots. There's NEVER someone available to play them with you. Especially not a crowd like would be desirable.

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Setophorae
Setophorae

You could just use the Half Life Dedicated Server to set up your own server, which can allow you to spawn A.I enemies and friendlies.

It also allows control over damage, A.I intelligence, map texturing, etc etc, pretty much endless possibilities.
Though i'd say to set up a permanent server where there are 15-30 enemies and friendlies each, and when one dies, it re-spawns after a few seconds. This is something a lot of Alien Swarm players seek, and if you pulled that off it'd become extremely popular.

Gamegate2k.com
Forums.steampowered.com
Wyrdysm.com

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