This addon contains some shared VScript code that is used by my addons: Left 4 Bots Left 4 Fun Left 4 Grief This addon is mandatory if you have one of the addons listed above. They will not work without this! Centralized User System L4L also contains a cen...

This addon improves the survivor bots behavior to make them more human-like and a bit more useful during the game as well as improving their combat skills. It is a mix of vanilla AI improvements (via game convars changes) and new features added via vscript...

"Even being in a war doesn't prepare you for this..." Info: Formerly known as "Apocalypse Edition". This add-on is now a modular part of the main branch. You can now choose to disable or enable bot tweaks with ease. Behaviors of the infected will now act s...

“Adding the competitive spirit to the apocalypse” CLICK HERE FOR THE NEW L4D BCL PLUGIN CLICK HERE FOR THE L4D1 VERSION! Target Players: EVERYONE These bots are capable of escorting players effectively in easy, normal and advanced difficulties... As for ex...

Important I have not forgotten about this addon, I have been focusing on fixing bugs in my other addon Bot AI Improvements. Now that Bot AI Improvements is in a stable and mostly bug free state. I will resume the Major Update I have planned for this addon....

This add-on changes survivor characters to actively speak their lines. - When another survivor is caught by a special infected, that person's name is called. - When someone hits by the Boomer's vomit, Other survivors call that person's name. - If everyone ...