How do you unlock paxton fettel in fear 3?

In "F.E.A.R. 3," you can unlock Paxton Fettel by completing the game as Point Man, the other playable character. After finishing the game, you will have the option to replay levels, and by doing so, you can unlock Fettel. Additionally, you need to collect specific items and complete certain objectives throughout the game to fully utilize his unique abilities when playing as him. Once unlocked, you can select Fettel in subsequent playthroughs.