Here is the full list of all 18 Not So Middle Ages achievements.
Make all improvements in the Alpine village
Make all improvements in the Baron's castle
Invent all possible devices in Venice
Invent all possible devices in Vienna
Invent all possible devices in Bern
Save up to 500 silver groats
Reach recognition level 50
Build a voltaic pile and recharge your smartphone
Help Austria to become a great empire
Help Venice to become a great empire
Make all the Europe merge to Switzerland
Go back to the future with your beloved one
Get burned at the stake
Bleed to death trying to carve a wooden stethoscope
Try to bargain at the marketplace
Have an intellectual conversation with natural philosopher Georg
Plant heresy seeds into the bishop of Vienna
Get a cat