Here is the full list of all 12 PAC-MAN Championship Edition DX achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
Finish Score Attack (5 Minutes) without using a bomb!
Score 1,000,000 points! (Score Attack 5 mins)
Beat the Time Trial mode!
Beat the game with every maze visual.
Play Score Attack (10 Minutes) until the very end!
Score 1,500,000 points! (Score Attack 10 mins)
Score 2,000,000 points! (Score Attack 10 mins)
Emit sparks for 1 second!
Eat 30 ghosts in succession!
Play Score Attack (5 Minutes) until the very end!
Finish Score Attack (5 Minutes) with no mistakes!
Score 500,000 points! (Score Attack 5 mins)