Here is the full list of all 26 PAC-MAN and the Ghostly Adventures 2 trophies - there are 2 bronze, 18 silver, 5 gold and 1 platinum.
Earn every Trophy in the game
Complete the Lemon Rocket level without losing a life.
Win a Gold Medal on every level.
Beat the high score on all Netherworld (Chapter 5) levels.
Get the Pac Prize score bonus at least once on every level.
Successfully complete all Betrayus Challenges at least once.
Stun 100 enemies with Rubber Pac's Special attack.
Visit every Arcade Zone in the game.
Beat the high score on all Prehistoric Pac-World (Chapter 4) levels.
Freeze 100 enemies with Ice Pac's Special attack.
Beat the high score on all Space (Chapter 3) levels.
Attract and chomp 100 enemies using Metal Pac's magnet tongue.
Beat the high score on all Paclantis (Chapter 2) levels.
Stun 100 enemies with Fire Pac's Special attack.
End a level with six Health (Hearts).
Defeat 5 Stone Monsters as Granite Ball Pac.
Complete the Tutorial and all of the Berry Challenges.
Defeat 200 Blue (Scared) Ghosts.
Beat the high score on all Pacopolis (Chapter 1) levels.
Complete any Spiral Cherry Copter level without losing a life.
Get the number of Pac's Lives up to 50.
Complete any Cyli Hover Board level without losing a life.
Talk to each of Pac's friends between levels at least once.
Read the bios for each of Pac's friends between levels.
Chomp every container in any level.
Grab 200 Pac Pellets in a single level.