Left 4 Dead/Boathouse Finale

Paths

 * One path through the house and open yard behind the house.


 * The rescue zone has a wide open space - you can either beeline to the destination or see if there's some supplies in the buildings (if you are short on them.)

Traps

 * The rescue boat claims to take about "10 minutes" to arrive.
 * A tank arrives when the boat has an eta of 3 minutes, and a second one appears a while after the boat reports an ETA of 2 minutes.
 * When the boat arrives, he uses a loud fog horn to attract your attention, as well as the attention of an additional wave containing a tank.


 * The mounted gun has poor coverage - it doesn't swivel all the way to the left to cover a major angle of attack.