A playable … logo? That’s exactly what web giant has today, in celebration of the 30th anniversary of Pac-Man’s Japanese release. The doodle (Google’s term for its event and holiday-specific logos) is accessible on its main page and is a full 255-level game complete with a 256th level “kill screen,” just like the original coin-op. The interactive doodle — a first for Google — is the brainchild of senior user experience designer Marcin Wichary, whose earliest exposure to Pac-Man came at age five while traveling across his native Poland with his father, a game technician, to repair arcade machines. Wichary...