A Portal 1 Modification where you have to fight your own way to more than 15 Evil levels that are developed by a powerful Malware Virus. There are some secrets in some levels. It will help you to save GLaDOS and destroy the powerful Malware Virus... In some interesting ways that Malware Virus won't know what you're doing.
Edited by: Lemoness
Qn: "Why a rocket turret?"
Ans: "Rocket turret was there to stop unauthorized personnel. Because GLaDOS was affected by a 'virus', the defenses/defences are messed up"