By Mark Sabbatini So how do the ghosts decide to chase in a two-player game? Programmer Marcin Wichary says he had lots of help translating most elements of Pac-Man's original source code into a playable Google logo that set off a frenzy – and fury – for 48 hours starting March 21. But a drastically different maze, the option of having two people play at once and certain quirks in the ... more.