Get the "Bad" ending

Decorate Jill's room in the most flamboyant way possible

And thank you for playing

Get Dorothy's ending

Attend a concert

Get ALL the flawless service bonuses

Play a video game

Make sure Jill pays all of her bills

Serving a certain drink to a hacker will bring another hacker to the bar

A certain drink might bring Dana's old friend to the bar.

Chat with Becky behind the bar

Chat behind the bar with a bandaged girl