Here is the full list of all 31 Governor of Poker 3 achievements.
Win a hand with a royal flush
Reach level 50
Win 2000 hands in any poker game type
Win a hand with a straight flush
Reach level 40
Win 1000 hands in any poker game type
Reach level 30
Win a hand with four of a kind
Win 500 hands in any poker game type
Unlock 15 saloons
Reach level 20
Unlock 10 saloons
Win 100 hands in any poker game type
Win a badge in any sit n go tournament
Win 50 hands in any poker game type
Win a hand with a highcard
Win a hand with a straight
Play a sit n go poker game
Reach level 10
Win a hand with a flush
Do a rebuy in any poker game
Win a hand with fullhouse
Win 10 hands in any poker game type
Win a hand with three of a kind
Unlock 5 saloons
Reach level 3
Win a hand with two pair
Win 5000 hands in any poker game type
Win 10000 hands in any poker game type
Win 50000 hands in any poker game type
Reach level 60