The Hacker Evolution source code is currently available for $3.99 as part of the Indie Gala charity bundle @ https://www.indiegala.com/charity

From the bundle page: "All proceeds will be redirected through the Romanian Red Cross Organization to 5 orphan children that lost their mother in a tragic fire in Bucharest on October 30, 2015 where 60 people lost their lives and hundreds have been badly injured."

So pick it up and help support a good cause!