Kill Anyone and Unlimited Eagle Vision:
Beat the Game and go back to the story mode.
You can now kill anyone without losing life and use eagle vision even without full life.
Infinite Life Cheat code:
At the main menu press Circle, L2, X, Square, Triangle, R2, L2. This will unlock infinite life
Thanks to Revolution Reader Esho!

Embark on an inspiring mission of human connection beyond the UCA. Sam — with companions by his side — sets out on a new journey to save humanity from extinction. Join them as they traverse a world beset by otherworldly enemies, obstacles and a haunting question: should we have connected?