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.
Beat the Time Trial mode!
Score 1,000,000 points! (Score Attack 5 mins)
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)
Beat the game with every maze visual.
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!
Finish Score Attack (5 Minutes) without using a bomb!
Score 500,000 points! (Score Attack 5 mins)