Here is the full list of all 16 Hammerting achievements.
Win the game by completing the 'Righteous Affluence' victory condition.
Slay 100 'Skeletons' and shut down 5 'Abandoned Graveyards'.
Construct 7 of each type of Drill.
Have at least 40 dwarves living in the Mountainhome.
Destroy one of each type of monster lair.
Win the game by completing the 'World Conquest' victory condition.
Craft a 'Star of Mara' gemstone.
Produce 5 units of 'Dwarven Licorice'.
Acquire the Knowledge of 'Myth of the Hoard'.
Produce 5000 metal ingots of any kind.
Harvest one of each type of crop.
Construct at least 500 lengths of track for elevators or railroad.
Discover 1 'Jackpot Mine', 1 'Ancient Dwarven Mound', and 1 'Sacred Well'.
Hold a Hammerting
Build 1 'Foundry', 1 'Quarry', 1 'Smithy', and 1 'Great Hall'.
Have exactly 7 male dwarves, and 1 female dwarf, living in the Mountainhome.