Here is the full list of all 27 Black Forest achievements.
built a total of 100 buildings
built a total of 1000 buildings
built a total of 10,000 buildings
you have seen a wolf attack
won a game with exactly one surviving peasant
you have been attacked by a werewolf
won a game on easy
you have taken in a family of refugees
won a game on normal
won a game on hard
won a game with over 100 food in storage
won a game with over 200 food in storage
won a game with over 400 food in storage
won a game with more than 50% of idle time
won a game with less than 5% idle time
built 20 buildings in one game
built 50 buildings in one game
built 100 buildings in one game
win a game on normal or hard with no deaths
won a game on doomed - amazing!
won a game in story mode