In a heart-stopping moment, Jack activated , a cheat code that revived him with full health. He then dispatched the boss with a well-timed sniper shot, securing his victory.
There is a well-known achievement/trophy titled which requires you to survive 18 bear attacks and kill the bear each time in Story Mode.
According to developer comments and user guides, these codes are entered into a dedicated within the game menu:
This query is a bit of a because "cheat codes" can refer to a few different things. To make sure you get what you're looking for, I’ve broken it down into the most likely categories. Life Hacks ("Cheat Codes for Life")