Source-checkedQuality of life & UI

Left 4 Invasion: Outer Space!

by CritXPDrinker · for Left 4 Dead 2

INFORMATION The world of Left 4 Dead 2 has been invaded by aliens! They have two goals in their minds! TO DESTROY ALL HUMANS! and annihilate Earth! The future of humanity rests on the shoulders of…

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4 yr agoLast updated
Steam WorkshopSource

About Left 4 Invasion: Outer Space!

From Steam Workshop

INFORMATION The world of Left 4 Dead 2 has been invaded by aliens! They have two goals in their minds! TO DESTROY ALL HUMANS! and annihilate Earth! The future of humanity rests on the shoulders of…

INFORMATION

The world of Left 4 Dead 2 has been invaded by aliens! They have two goals in their minds! TO DESTROY ALL HUMANS! and annihilate Earth! The future of humanity rests on the shoulders of four unlikely heroes of Left 4 Dead!

> If you're trying to play COOP with friends and having trouble, type: sv_consistency 0 into console commands in main menu. <

This code (9147) can be used at the end of campaign to get the secret good ending

FEATURES

> This campaign uses Valves official chapters and redesigns them into a Sci-Fi alien invasion! (The original chapters are untouched)

> Features ten chapters so make sure to bring your friends for this adventure! Though; it's completely solo-able.

> There's five multiple endings! Three are joke endings and two are main endings with one of them being a secret to unlock so get exploring to find out how! (There's also the usual secrets like my previous maps)

CREDITS

Valve - Original chapters CritXPDrinker - Creator NeoLin - UFO's Tsumugi Shirogane - Earth model

!!! RETIRED !!!

Highlights

From source data

Footprint

Rated a light load on a server.

Last update

Its author last shipped an update 4 yr ago.

Left 4 Invasion: Outer Space! on Nxeon

From our catalogue
One-click install
Supported on Nxeon Left 4 Dead 2 servers. We download it from Steam Workshop, place it, and restart the server.
Server load
light
Latest build
2022-07-27, released 2022-07-27

Game versions by loader

LoaderGame versionsNewest
Workshop

From 1 recorded build of Left 4 Invasion: Outer Space!.

What kind of mod it is

From the catalog
Listed on Steam Workshop as “QoL”

Quality of life & UI

Small conveniences, tweaks and interface improvements players notice straight away.

Compatibility

Game
Left 4 Dead 2

Verified at the source

  • ✓Steam WorkshopOfficial listing, checked 2026-11-01Open ↗
  • ✓AuthorCritXPDrinker, as published on Steam Workshop
  • ✓LicenseNot published by the sourceFree

Left 4 Invasion: Outer Space!, answered

Generated from the mod’s own source data.

Is it free?

Yes. Left 4 Invasion: Outer Space! is free to download from Steam Workshop.

How do I add it to my Nxeon server?

Use “Add to a server” on this page, or open NxLabs from your dashboard. We install it, restart your server and switch it on.

NxLabs

Run Left 4 Invasion: Outer Space! on a Left 4 Dead 2 server.

Free to download from Steam Workshop.