Go in Index.html
Do not use it for malicious intent, or you could be in jail, try them in a virtual machine, or a virus tester like Triage
Level 1 - 4: Newbie
Level 5 - 8: Destructive
Level 9 - 12: Super Destructive
Level 12 - 15: Hyper Destructive
Level 15 - 18: Computer Killer
Level 19 - 22: Computer Destroyer