Man yo he picked a fight with the huge bol from the club. After that it was straight dungeons (or dunbunz) for my dude Mike.
"It's that nigga down in the Dungeon with them playeristic hits" "Ain't no thang but a chicken wing, we havin a smoke down in the Dungeon with the Mary Jane" - OutKast "Ain't No Thang"
The most famous dungeons are the Legend of Zelda ones, where you can earn a new weapon/item/etc. at some point in the dungeon and you usually face a mini-boss (with difficulty between one of a regular enemy's and the boss's)