Pac-Man, very nearly Puck-Man  was 40 last weekend with a birthday falling between Gen X and the Millennials – which may  explain why the game continues to appeal to both audiences. Developed by Japanese company Namco, Pac-Man sold 400,000 gaming cabinets to arcades around the world and made $3.5 billion in lifetime sales by 1990. ...

This story continues at Pac-Man Turns 40 And Beats Them All

Or just read more coverage at Electronics Weekly