It is released separately from the other two games and was priced as an expansion. The basic set costs $40 USD and the deluxe set costs $55 to $60. The Collector's Edition costs $80. It has been collected into a battlechest alongside Wings of Liberty. On July 15 2015, Heart of the Swarm was made a standalone title, allowing play without having first purchased Wings of Liberty. It follows Wings of Liberty and precedes Legacy of the Void chronologically and storywise.