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