Here is the full list of all 21 Sunshine Shuffle achievements.
Start the game
Complete the epilogue
Buy the Magazine Item
Read How to Play in its entirety
Play ten hands of poker
Buy your first item
Buy ten items
Buy every original item
Possess 50 unspent Star Tokens
Play a hand containing two cards of the same rank
Play a hand containing two pairs of cards with matching rank
Play a hand containing three cards of the same rank
Play a hand containing three cards of one rank, and two cards of a separate rank
Play a hand containing five sequential ranks
Play a hand containing 5 cards of the same suit
Win a hand of poker for the first time
Bet all your available chips
Lose over 2,000 chips in a single hand
Lose all your chips
Press the 'Loop' button on the boombox
Win a poker tournament for the first time