Alien Invasion

Mod Information

Alien Invasion adds a UFO crash encounter to DayZ. A burning saucer comes down like a helicopter crash, a toxic cloud settles over the wreck, and 10-15 Little Green Men are waiting when you get close. Salvage the Montauk plasma rifle from the wreckage, wear a tin foil hat to keep them out of your head, and skin what you kill for Area 51 Steaks and Roswell Hide.

This mod currently adds 1 UFO crash event, 1 creature, 1 plasma rifle, 1 rechargeable magazine, 1 clothing item, 1 food, and the Roswell Hide with 4 items you can make from it.

It does not replace vanilla helicopter crashes, and it has no third-party mod dependencies. It must be loaded on the server and every client.

Installation guide, searchable classnames, and every setting explained: packjc.github.io/alieninvasion

Features

• UFO crash event with green light, fire, mist, wreck particles, and a distant crash sound. It spawns through the Central Economy like a helicopter crash.
• An 18 m toxic gas cloud over every wreck, using DayZ's own contaminated-area rules. NBC gear protects you. It disappears with the wreck.
• Crash salvage: a 35% chance of a Montauk Rifle with a cartridge, plus up to two partly charged spare cartridges.
• Little Green Men with their own voices and footsteps. They claw like infected up close, hit you with a psychic zap from 4-80 m when they can see you, and die in a green burst and a scream. They only appear when a player comes within 300 m, so crash sites nobody visits cost your server nothing.
• Montauk Rifle: a semi-automatic rifle firing green plasma bolts that do double damage to aliens. Every other firearm does 75%.
• Montauk Cartridge: 15 rounds of plasma that can't be unloaded. Combine it with a 9V battery to recharge it.
• Tin Foil Hat: it works. Aliens can't track or zap anyone wearing an intact foil hat unless they're within 3 m.
• Area 51 Steak: cooked steak gives 90 seconds of green night vision. Raw, burnt, or rotten steak gives food poisoning.
• Roswell Hide crafting: tan the hide with garden lime into green Roswell Leather and sew a Roswell Leather Backpack, or tie the hide into a Roswell Hide Courier Bag and turn that into a Roswell Hide Backpack.
• Every number is configurable in $profile:Gebs/alieninvasion.json, in the same Gebs folder Gebsfish uses. The server writes ready-made economy files for you on first start.

Supported Languages

English, Czech, German, Russian, Polish, Hungarian, Italian, Spanish, French, Chinese (Traditional), Japanese, Portuguese, Chinese (Simplified).

Although supported languages are listed, we are in a constant need for updating and adding new translations. If you are a native speaker of any language and would like to contribute please let us know in the discord.

Classnames, Types, Events, Crash Positions

Start the server once and the mod writes everything into $profile:Gebs/mpmissions/:

• alieninvasion-types.xml, alieninvasion-spawnabletypes.xml, and alieninvasion-events.xml: copy them into mpmissions/<your mission>/alieninvasion/ and paste the block from alieninvasion-cfgeconomycore.xml into your cfgeconomycore.xml.
• alieninvasion-cfgeventspawns.xml: crash positions (79 hand-picked sites on Chernarus; other maps reuse their helicopter crash spots). Merge it into cfgeventspawns.xml.
• alieninvasion-mapgroupproto.xml: the wreck's loot points. Merge it into mapgroupproto.xml.

Do not add the old InfectedAlien secondary event; every wreck spawns its own aliens. The files are only rewritten when the mod updates, and your mission folder is never edited for you. Every classname is listed on the website.

Adjust Alien Numbers

In alieninvasion.json, CrashAliensMin and CrashAliensMax set how many aliens each wreck spawns (default 10-15). CrashAliensSpawnDistance is how close a player has to get before they appear (default 300 m); set it to 0 to spawn them with the wreck.

Adjust Crash Loot and Gas

CrashRifleChance is the chance of a Montauk Rifle in the wreckage (default 0.35). CrashSpareCartridgesMax is the number of spare cartridges (default 2). Set CrashGasZone to false to remove the toxic cloud.

Adjust the Psychic Zap

PsychicZapRange is how far aliens can zap you (default 80 m) and PsychicZapCooldown is the seconds between zaps for each alien (default 60). Set PsychicZapEnabled to false to turn it off.

Contributors & Credits

• Geb, creator and author
• The DayZ Modding Community <3

Usage & Terms

Alien Invasion's source is published on GitHub under the GNU General Public License v3.0: github.com/PackJC/alieninvasion. You may study, modify, and share it under that license, as long as you keep the license and credit the original.

Please do not put this mod in a "server pack" or "mod pack". Use a Collection if you want to include it on your server, so your players always get the latest version from this page.

Monetization

You are hereby given monetization approval under the conditions that you follow the DayZ Server Monetization agreement and have obtained permission from Bohemia. Read more here https://www.bohemia.net/monetization

Copyright © Smoky Mountain Software 2022-2026