2 Days Left in Return To 3D Sale - Dialogue System 50% Off Reminder - There are 2 days left in the Asset Store's Return To 3D Sale. The Dialogue System for Unity is 50% off. I previously highlighted a few of the many great 3D games that have been released with the Dialogue System. Just a few of the many exciting Dialogue System-powered 3D games that are in development are: Note: Love/Hate is also 50% off. They make a good pair if you're managing a lot of interaction between characters.