Pilsener

Bitterness: medium+
Alcohol: 4-4,5%;
Has characteristic super clear color

Lager

Bitterness: light
Alcohol: 4,5-4,5%;
If you order "a beer", you'll get lager.

Bock

Bitterness: medium
Alcohol: 6-8%;
Ordering an eisbock will get you beer that was frozen.

Indian Pale Ale

Bitterness: deadly serious
Alcohol: 5-9%;
You can just as well eat hopps

Wheat beer

Bitterness: for babies
Alcohol: 4,3-5,6%;
The oldest of them all. Lots of bubbles

Stout

Bitterness: rather strong
Alcohol: 4-5%;
Think the most famous Irish beer