The Unnatural Axe Add-on for Munchkin Digital has 14 achievements.
Equip the Tinfoil Hat and Raincoat at the same time.
As an Orc fighting alone, defeat a monster by 15 or more.
As a Thief, have your Boomdagger come back to you.
Discard an Item worth at least 800 Gold Pieces to Garage Sale.
Defeat the Jabberwock with weapons in both hands.
Defeat a monster with both a Mate and a Mommy.
Defeat the Floating Nose and its Shadow in the same game.
Defeat a Humongous Fungus.
Defeat the Snot Elemental while holding the Blessed Mallet of St. Eeeeeeuuuuuuuuw.
Win the game with any two of the Siege Engine, Slug Thrower, Knight Light, Helm of Peripheral Vision, or Coat of Arms.
As an Orc, accept help from a Dwarf.
Give 10 cards via charity across any number of games.
Play a Trojan Horse to deprive a player of 4 or more treasures.
As an Orc, gain extra levels by defeating monsters by more than 10 10 times across any number of games.