The Forest of Shadows Add-on for One Deck Dungeon has 18 achievements.
Win a game with the Alchemist in your party.
Win a game with the Druid in your party.
Win a game with the Hunter in your party.
Win a game with the Slayer in your party.
Win a game with the Warden in your party.
Survive the Lair and defeat the Indrax.
Survive the Mudlands and defeat the Mud Golem.
Survive the Realm of Venom and defeat the Poison Elemental.
Survive the Smoldering Ruins and defeat the Fire Giant.
Survive the Vile Roots and defeat the Corrupted Tree.
Fill all the spaces of all the Forest of Shadows hero progression sheets.
Survive each of the 44 unique encounter cards in Forest of Shadows.
Learn each of the 24 unique skills in Forest of Shadows.
Win the Forest of Shadows Gauntlet Mode.
Lose a game by taking damage from running out of poison tokens.
Lose a game by converting poison due to the Poison Snap effect.
Exile all of the dice of any one color.
Win a game using a hybrid deck.