The Denmark - The Vikings Add-on for Sid Meier's Civilization V has 11 achievements.
Win scenario on Emperor (any civ)
Win as Anglo-Saxon England (any difficulty)
Win as Denmark (any difficulty)
Win scenario on Immortal (any civ)
Win scenario on Deity (any civ)
Win as Norway (any difficulty)
Win as Normandy (any difficulty)
Beat the game on any difficulty setting as Harald Bluetooth
Enter a snow tile with the Norwegian ski infantry
Build a motte and bailey improvement
Pillage 9 Farms on the same turn