Hitman 3 (World of Assassination) , unlocking items and weapons is tied to the game's official servers. To access everything while playing strictly offline, you must use community-developed tools, as the standard offline mode restricts progression, score systems, and item acquisition. Primary Methods to Unlock Everything Offline The Peacock Project (Server Emulator)
If you are searching because you are on console (PlayStation/Xbox): Console offline modes are even stricter. Without a jailbreak (which doesn’t exist for PS5/XSX Hitman 3), you will never unlock everything offline. Console saves are encrypted and tied to your PSN/Xbox Live profile. hitman 3 unlock everything offline exclusive
You're referring to Hitman 3!
. When playing the official game offline, you lose access to your earned gear, starting locations, and the rating system. Hitman 3 (World of Assassination) , unlocking items