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