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.
Score 1,000,000 points! (Score Attack 5 mins)
Beat the Time Trial mode!
Score 2,000,000 points! (Score Attack 10 mins)
Beat the game with every maze visual.
Score 1,500,000 points! (Score Attack 10 mins)
Finish Score Attack (5 Minutes) with no mistakes!
Finish Score Attack (5 Minutes) without using a bomb!
Emit sparks for 1 second!
Play Score Attack (10 Minutes) until the very end!
Score 500,000 points! (Score Attack 5 mins)
Eat 30 ghosts in succession!
Play Score Attack (5 Minutes) until the very end!