Full list of all 44 Suspicious Shuffle: Free For All achievements.
The base game contains 15 achievements, and there is 1 DLC pack containing 29 achievements.
Complete the first Act
Complete the second Act
Complete the third Act
Now that's Shuffling - Earn 3 stars on every level in Act 1
Oh my, now we're REALLY Shuffling - Earn 3 stars on every level in Act 2
Without a doubt, this is Shuffling - Earn 3 stars on every level in Act 3
Nab a skin!
Nab an accessory!
That's thinking with your noggin' - Finish 'Puzzling'
10s across the board! - Finish 'Proper Form'
That's using the ol' peepers - Finish 'Observation'
Just the right amount - Finish 'Kickin It Up a Notch'
New mechanics?! - Finish 'Seeing Red'
Speeding up - Finish 'On The Clock'
Deriving order out of chaos - Finish 'Shuffling'
Proving superiority in the Epilogue Act!