Here is the full list of all 20 Regency Solitaire II achievements.
Finish the Collector’s Edition story
Save up 50000 gold without spending it.
Finish Collector’s Edition chapter 6, Hattie's Millinery
Use all 6 powerups in a single hand.
Beat the main game in Hard mode.
Click the More Games button
Beat the game in Normal mode.
Win 6500 gold in a single chapter.
Get a 5x multiplier.
Make a combo of 35 or higher.
Purchase all of the garden and costume upgrades.
Find a seashell.
Reach chapter 6, set in Scotland
Fill up the fan with wildcards/jokers.
Get 10 perfect hands in a chapter.
Win 5000 gold in a single chapter.
Earn 20 stars in a chapter.
Make a combo of 20 or higher.
Get a 2x multiplier.
Make your first combo.