Unholy Heights Easy “Circle Of Life” achievement
Have two monsters live together, and they will eventually “pillow talk.” A faster way is to purchase an Erotic Cake, but it is mainly luck based.
Easy “Great View From Here!” achievement
Successfully complete the “Wanted: Colossus!” quest, then spend $10,000 to add a third floor.
Easy “Moving On Up” achievement
Successfully complete the “Wanted: Gang!” quest, then spend $1,500 to add a second floor.
Easy “On Top Of The World” achievement
Successfully complete the “Wanted: Mighty Magic” quest, then spend $50,000 to add a fourth floor.