Clear the game at least once to unlock the following extra options on your options when you start a cleared game:
- Walk/Run - Changes your default movement between running or walking.
- Extra Blood - Less chat, more splat. Self-explanatory.
- Noise Filter - Masks the radio noise if turned off.
- Bloody Footsteps - Travis makes bloody footsteps when moving.
- Torch Projection - Changes the flashlight to emit images of a pentagram, pumpkin, smiloid, soccer ball, etc.