Here is the full list of all 25 PAC-MAN™ and the Ghostly Adventures achievements.
Collect at least one Arcade Token in every level.
Complete all levels of the Pineapple Tank arcade mini-game.
Complete all levels of the Pacerchini arcade mini-game.
Complete all levels of the Cherry Copter arcade mini-game.
Complete all levels of the Lemon Rocket arcade mini-game.
Defeat 100 enemies as Metal Pac.
Defeat 100 enemies as Granite Ball Pac.
Defeat 100 enemies as Chameleon Pac.
Increase Pac's maximum Health to 6.
Complete the final level of the game.
Complete all bonus levels.
Unlock Chapter 6.
Unlock Chapter 5.
Increase Pac's total lives to 50 or more.
Defeat 300 Blue (Scared) Ghosts.
Collect enough Globe Energy orbs to unlock the Temple of Mystery.
Defeat 100 enemies as Fire Pac.
Unlock Chapter 4.
Collect enough Globe Energy orbs to unlock the Temple of Ice.
Defeat 100 enemies as Ice Pac.
Unlock Chapter 3.
Chomp 50 recycling bins over the course of the game.
Collect enough Globe Energy orbs to unlock the Temple of Slime.
Unlock Chapter 2.
Complete an entire level without losing a life.