Here is the full list of all 16 Zombie Solitaire 2 Chapter 2 achievements.
Zombie broker
Solve all levels!
Get 3 stars in all match3 games!
Win 270 stars!
Collect all sticker of the game!
Solve 12 levels without using the undo-button!
Win 200 stars!
Solve 12 levels without using wildcards!
Solve 50% of all levels!
Win a solitaire level with 17 or more reserve cards!
Win 120 stars!
Win 50 stars!
Remove 12 to 14 cards in a row!
Remove 15 to 17 cards in a row!
Remove 18 or more cards in a row!
Win first level!