Story missions including additional and side missions – all completed
Purchased in the store – all items and costumes
Hero improvements – all pumped
Unpack the archive, into the folder with the game
If you need to make a backup copy of your save, then go along this path:
Killer is Dead – Nightmare Edition: Save Game (Completed and Unlocked – 100%) Free Download
C: \ Program Files (x86) \ Steam \ SteamApps \ common \ Killer is Dead – Nightmare Edition \ KidGame \ SaveData
And copy the file KID.sav to another place
P.s Enjoy your game !