Here is the full list of all 27 Skat 3D Premium achievements.
Play 50 Hands
Play 100 Hands
Play 250 Hands
Play 1000 Hands
Play 10 Games
Play 25 Games
Play 50 Games
Play 100 Games
Play 100 hands online
Play 500 hands online
Play 1000 hands online
Play 3000 hands online
Achieve a place in highscores
Achieve a place in top 3 highscores
Achieve 1st place in highscores
Declare and win a hand game
Win a Schneider game with 90 or more points
Win a Schwarz game with all tricks
Declare and win an Ouvert game
Declare and win a Grand Hand game
Declare and win a Null game
Declare and win a Null Ouvert game
Take zero tricks in a Ramsch game
Take all tricks in a Ramsch game
Win a Kontra game
Win a Bock game
Win a game with Re announced