There are no official "cheat codes" in Hitman World of Assassination
Progression Carryover: If you are moving from Hitman 2 to Hitman 3, use the official carryover site to bring your old unlocks forward instantly. hitman 3 unlock everything cheat
However, depending on your platform and how "legitimate" you want to be, there are three main ways to "cheat" the system: 1. The Modder's Shortcut: "The Peacock Project" (PC Only) There are no official "cheat codes" in Hitman
If you'd like, I can give you the exact mission requirements for a specific item (like the lockpick or poison) or explain how to set up Nexus Mods safely. hitman 3 unlock everything cheat