FILE - In this file video game image released by Activision, special forces try to repel a Russian invasion of Paris in &quot;Call of Duty: Modern Warfare 3.&quot; The world was reminded of this Thursday, April 19, 2012 when Anders Behring Breivik revealed to an Oslo court that the popular military game and the online role-playing game &quot;World of Warcraft&quot; helped condition him for his bombing and shooting rampage that left 77 people dead last summer in Oslo and at a Labor Party youth camp on Utoya island. (AP Photo/Activision, File)