This Dr. Horrible's Sing-A-Long Blog screencap contains
客厅, 起居室, 前室, 前厅, 客厅里, 前面的房间, 客厅客厅, 家庭房, 巢穴, den, and 书房.
There might also be
客厅, 客厅客厅, 客厅, 客厅里, 早晨室, 早上房间, and 晨间房.
A German 粉丝 has translated the first couple 分钟 of Act I. It's pretty well done I think. All German 粉丝 on this spot 或者 everyone who is interested should have a look ; )