Here is the full list of all 19 Shadowhand: RPG Card Game achievements.
Own all ability cards
Beat the game in Normal mode
Beat the game in Very Hard mode
Beat the game in Relaxed mode
Complete Chapter 20
Make a combo of 40 or higher
Win 2000 gold in a single chapter
Get a 5x multiplier
Complete Chapter 15
Complete Chapter 10
Fill all available spare card/joker slots
Get 8 perfect hands in a chapter
Save up 3000 gold without spending it
Earn 20 stars in a chapter
Win 1200 gold in a single chapter
Use three ability cards in a single hand
Complete Chapter 5
Make a combo of 20 or higher
Make your first combo