Alone in a Cave...
Hide under the blanket. That always works against monsters.
Hop the fence, surely the monsters aren't spry enough to follow!
Throw the mouse and see if the dog will fetch!
Befriend the animals.
Bond with the animals by building a snowman/decoy.
Climb the rocks
Speak to the dog in the language of its people, tell it you would like to form an alliance.
Praise the beasts.
Befriend your animal saviours.
Tempt mouse, the brains of this operation, with packing peanuts.