Payday dev Overkill working with Valve on Left 4 Dead-styled collaboration

Newsbrief: Payday: The Heist developer Overkill Software is working on a collaboration with Valve, that it says will be a blend of Payday and Valve's zombie shooter Left 4 Dead. Ulf Andersson, game director at the Stockholm, Sweden-based studio, teased, "We are excited to be able to confirm that an in-depth collaboration between Overkill and Valve is currently in production." While Andersson did not reveal any details regarding the collaboration, he hinted at a zombie-focused project, using words like "infectious" to describe the upcoming effort.