If any players want to add to their adventure before the official closing of the challenge, they can. Perhaps to increase amusement or further character development.
Lets look at things so far...
Mount Zoom = Not Done
Bag Endless-fuel = Done - Fixed by magic (Heading to High Pass)
Orth-Tank = Done - They got by with a little help from their friends.
(On Bonus)
Barad-Dash = Done - Slaves used as wheel (South West)
Medul-zoom = Not Done
Minas Mor-go = Not done
Minas Taxi = Done - Porcupines defeated by... cows?