Here is the full list of all 46 Lost Lands: Mahjong achievements.
Investigated location: Fairy Glade
Interactions with meatnaggers
Investigated location: Sunken City
Interactions with limping dragons
Investigated location: Mage Tower
Interactions with spiderlikes
Crystals spent
Investigated location: Floating Isles
Amulets used
Investigated location: Bog
Interactions with ratlings
Interactions with buzzing deaths
Interactions with undead
Interactions with falagars
Investigated location: Ships Graveyard
Investigated location: Dwarf Caverns
Interactions with warrior shadows
Interactions with darkwings
Investigated location: Stronghold
Collections gathered
Investigated location: Forge
Investigated location: Menagerie
Energizers purchased
Interactions with fiery golems
Tools used
Interactions with predacious satyrs
Investigated location: Farm
Interactions with dark heralds
Coins spent
Interactions with snakelizards
Achievements won
Items purchased
Investigated location: Stone Quarry
Time for finding objects expired!
Increased max energy
Quests completed
Interactions with redeyes
Chests opened
Interactions with cave kobolds
Level reached
Energy used
Investigated location: Old Town
Investigated location: Fisherman's Hut
Locations examined
Investigated location: Forest Cabin
Unlocked locations