Pac-Man (Atari 5200)
A much more faithful port of Pac-Man than what the Atari 2600 got.
At the title screen, press 0722626 ("PACMAN" on a phone keypad) to display the name of James Andreasen, the game's programmer.
A second version of the game was made to fix a bug present on Level 17 and any level after 18. Upon eating a power pill in said levels, the ghosts would stay vulnerable until either the level ended or Pac-Man ate them.