Let's Build 2 Core (Left 4 Dead 2)

The core to the sequel Let's Build a Rocket. This powerful setup allows players to freeform build their forts and defend their base against zombies! Included are source files and a playable example map. Help make Let's Build maps better by contributing maps, sounds, script, or models!

View Changelog (v1.0 Complete)

Tagged L4D2 Survivors Dusk 3) Hard Player Mode other research

Updated: 10/14/13 • Views: 99,616 • lb2core.vpk (6MB)

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Guest August 2018

here is the full map? nothign to build except buy items thats all on zip i donwloaded few weeks ago

Guest August 2018

cause hte pciture scrennshot during loading game isnt taken from map too

HLDeadMan August 2018

Excuse me, could you tell me how to use this core? If you unzip it through 7zip, there's only a folder with the materials. No maps with examples, prefabs. How to apply this to the Hammer?

HLDeadMan August 2018

done

CriggMerr August 2015

the building part is so hard..

opnm66 August 2014

This is a awsome map. I just would like to see the AI doing somthin.

aittel April 2014

first excuse my bad english
good map with lots of potential
open space. ideal for killing infected away.

unplayable in single player (bots do not load gas)

suggestion
Might put a car between the base and the gas station
similar to the Payload game mode from TF2
the vehicle can charge say 10 gas
it to be automatic push a button goes to the gas station, press a button returns to the base.
It is an idea
the distance between the gas station and the base is too long

Let's Build a Rocket if it could be played in single player mode
NO this map

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By bioshock_kil January 2014

Pros

- good evolution of lets build mechanics -increased difficulty as the tech tree requires points which changes the strategy from your previous lets build map -adds creativity to the barricade system and allows the player to freely choose how to construct their defenses

Cons

-large empty space between the fuel system and generator/tech tree -it is difficult to keep up with the hordes as they become larger the bots struggle to keep up even if you supply weapons, first aid kits etc. -some tech tree items are overpriced such as first aid kits and defibrillators as it is so difficult to bring fuel cans to the generator -bugs include special infected not spawning for long periods of time; barricades are buggy and it is sometimes possible for the player to pick up multiple items which interferes with their placements; recycle bin sometimes fails to recycle; objects often get stuck in ground rendering them useless as you cannot recycle nor place them.

Good map with a lot of potential and i will be looking to play the final product with the "finale", however i think the distance between the gas station and tech tree needs to be reexamined. The large empty spaces also makes the common infected very annoying to run past while trying to mule gas tanks back to the tech tree. I very much enjoyed your original map and am looking forward to seeing where you will go with this sequel!