It is almost certainly a fan concept or mod idea combining Romero's mall setting with a total power-failure scenario. If you encountered the phrase online, it was likely in a forum discussion, a modding proposal, or a misremembered title.
You have limited shotgun shells. Aim for headshots to maximize efficiency [23]. Environment: dawn of the dead blackout
: Quick, 5-10 minute puzzle rooms themed around surviving the apocalypse. It is almost certainly a fan concept or