Finding all 50 Playboy magazines in Mafia II (and the Definitive Edition ) is a major milestone for completionists, as it unlocks the achievement. Unlike other collectibles, these magazines are chapter-specific; if you miss one, you must replay the entire chapter to collect it. Mafia II All Playboy Magazine Locations Guide
Finally, after hours of searching, Vinnie received a cryptic message that led him to an abandoned warehouse on the outskirts of town. The message read: "For those who seek, the truth lies in plain sight, but only to those who know where to look." Mafia 2 All Playboy Pictures Download
(Full list available on the Mafia Wiki)