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
Investigated location: Floating Isles
Investigated location: Bog
Interactions with ratlings
Interactions with buzzing deaths
Interactions with undead
Interactions with falagars
Investigated location: Ships Graveyard
Interactions with warrior shadows
Investigated location: Dwarf Caverns
Amulets used
Collections gathered
Investigated location: Stronghold
Interactions with darkwings
Investigated location: Forge
Investigated location: Menagerie
Interactions with predacious satyrs
Interactions with fiery golems
Investigated location: Stone Quarry
Investigated location: Farm
Tools used
Interactions with dark heralds
Crystals spent
Coins spent
Interactions with snakelizards
Items purchased
Achievements won
Increased max energy
Quests completed
Interactions with redeyes
Interactions with cave kobolds
Level reached
Investigated location: Old Town
Energy used
Chests opened
Time for finding objects expired!
Energizers purchased
Unlocked locations
Investigated location: Fisherman's Hut
Locations examined
Investigated location: Forest Cabin