I mean, I already have all the ahievements in Steam and already unlocked everything in the DDLC plus, but I wanna try to unlock again all the images and stuff. Is the a way to do this or I'm f****d?

Originally posted by KirbyLP37:

go into your %appdata%\LocalLow\Team Salvato and just rename the folder in there into something else, upon next starting the game will create a new one

Broooo, thanks dude. It did worked

maybe try reinstalling the game ?
for achievement reset, I'd recommend you to try Sam Achievement Manager (SAM)

go into your %appdata%\LocalLow\Team Salvato and just rename the folder in there into something else, upon next starting the game will create a new one