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