From their announcement:
Patrick and I are glad to post the first campaign for Dead walk Again : "Hope never dies". It can be played with basic DwA rules or with the Left 4 Dead supplement. Each scenario could be played individually but to get the most from this supplement it would be better to play them as series of linked scenarios forming a campaign. Think of a campaign as a novel and each game you play is equivalent to a chapter in that novel. Your characters will develop over time and will have to face the ultimate test in the end.
We hope you will enjoy this new free supplement and you can now download it for free on our Yahoo group.