Complex sentence: The group is notable for cracking "Far Cry 4" days before its release date that was on 18 November 2014 because they acquired the game on 11 November due to a leak by the German Amazon.com.
Split into simpler sentences: The group is also notable for cracking "Far Cry 4", days before "its" official release date on November 18th, 2014. They acquired the game on November 11th, due to a leak by the German Amazon.com.