6Aug2025

Accelerator

We’re announcing another update to the custom campaigns on our Coop servers.

We’re thrilled to bring back one last campaign that was fondly remembered by everyone who had the chance to play it—Warcelona!

Unfortunately, the Death Strip campaign has been removed, as many players found it too dark and somewhat boring to complete.

The pool of custom campaigns has been updated. You can check the current lineup by visiting our Steam Collection of custom campaigns, available via the link - https://steamcommunity.com/sharedfiles/filedetails/?id=3534262415.
Steam Workshop: Left 4 Dead 2. A pack of custom campaigns for playing on the CORE-SS Project servers.

https://core-ss.org/l4d2

How Campaign Rotation Works on L4D2 Servers



These campaigns are played in pairs (2 at