Unlock All Ghosts
To unlock all ghosts for use during gameplay, eat each of the ghosts in a level after eating a power pellet. You will now have access to any of the ghosts throughout each level.
Unlock the Apple
To unlock all apples in gameplay, direct Pacman to eat an apple in either levels 5 or 6.
Unlock the Bell
To unlock the bell for use during gameplay, eat a bell in either levels 11 or 12.
Unlock the Cherry
To unlock the cherry for use throughout the rest of the game, eat a cherry during the first level.
Unlock the Galboss
To unlock the Galboss (a galaxian flagship) for use during gameplay, eat a galboss in either levels 9 or 10.
Unlock the Key
To unlock the key for consumption during gameplay, eat a key in level 13.
Unlock the Melon
To unlock the melon for consumption throughout the game, eat one in either levels 7 or 8.
Unlock the Orange
To unlock the orange for consumption during gameplay, eat one in either levels 3 or 4.
Achieve a Perfect Score
To achieve a perfect score for the entire game, eat all ghosts in every one of the levels you play.
Note:
Eating any of the items mentioned above will make the ghosts available for consumption for a finite period of time during the level. This is the only time when the ghosts can be consumed by Pacman. This mode is marked by a change in color and slower movements by the ghosts.