Micro madness
Difficulty and terrain were listed at the time of being hidden. So in different seasons DT may change.
Search these caches in the series
GC6Z6QX MM-003 (MICRO MADNESS)
GC6Z6VR MM-004 (MICRO MADNESS)
GC6Z6VX MM-006 (MICRO MADNESS)
GC6Z6W1 MM-008 (MICRO MADNESS)
GC6Z8GE MM-010 (MICRO MADNESS)
GC6Z8GH MM-011 (MICRO MADNESS)
GC6Z8GP MM-013 (MICRO MADNESS)
GC6Z8GV MM-014 (MICRO MADNESS)