Here is the full list of all 43 Card Hog achievements.
Remove 25 cards from the deck
Sneeze 3 times in one run
Add 50 cards to the deck
Get 100 item upgrades
Mind control a pile of manure
Kill a wolf with a cleaver throw
Swap mushroom caps
Inspect 50 cards using RMB or SHIFT
Visit 25 shrines
Explore the crashed alien ship
Ride a bull
Defeat Spider Queen
Defeat 500 enemies
Go for more challenge 3 times (loops)
Two hogs are better than one
Upgrade an item to max tier
Defeat boss: Burns
Collect 1000 coins
Use various skills 100 times
Collect 500 coins
Defeat 100 enemies
Defeat 250 enemies
Collect 25 food items
Defeat boss: Slimer
Defeat three bosses in a single run
Defeat boss: Honk
Hit 3 enemies with a single boomerang
Defeat boss: Disco Alien
One goes down, another comes up!
Defeat boss: Mole Miner
Defeat boss: Skullington
Rob 10 graves
Defeat 25 knights
Defeat 5 enemies which killed you before
Survive 10 days in zombie mode
Unlock 25 items of clothing
Defeat The Final Boss