A red two player free roam icon will now appear on Denise's porch near the door.
The icon will appear there when she is home and will go on a date.
Although this sounds difficult, there are not that many roads near the Angel Pine area which actually makes it easier to complete.
If the fire truck gets severely damaged, enable the "Health" code.
Successfully complete level 12 of the fire truck missions to make CJ fireproof.
Easily complete fire truck missions Bring a fire truck from another location into Angel Pine, then start the mission.
Two player mode in Bone County Starting at the abandoned airstrip, go west and north onto the road.
Then, enable the "Spawn Jetpack" code and remove the Jetpack. Enable the Jetpack code again, then have player one get it.
Both players can now fly around and do the two player missions this way.
Do so to start two player mode, involving CJ and his girlfriend in a free roam.
For more fun in two player mode, start the two player mission.