In the early days 20+ years ago, it was EVERY style of beer because at the time you could not buy much in the way of beers that were not an American pilsner style lager. I read the descriptions of beer styles, found a recipe in Charlie Papazian's books, and brewed it. Some I liked, some I just held my nose and drank up. Nowadays I am most interested in English style ales and German dark beers, typically lower alcohol, lower hops, and lower carbonation.

Here is a partial list of what I have brewed in the last few years:
Farmhouse ale
Extra Special Bitters
Irish Red Ale
Stout (both sweet and dry)
Porter
Nut brown ale
German Alt
Oktoberfest/Marzen
Scottish Wee Heavy
90 Schilling

@Canyonrunner Interesting!