head to head
vs
999: Nine Hours, Nine Persons, Nine DoorsvsSuper Danganronpa Another 2 ~The Moon of Hope and Sun of Despair~
999: Nine Hours, Nine Persons, Nine Doors leans Optimization (Systems & Chaos); Super Danganronpa Another 2 ~The Moon of Hope and Sun of Despair~ leans Variance (Systems & Chaos).
Axis by axis
Super Danganronpa Another 2 ~The Moon of Hope and Sun of Despair~ leans harder on execution: Trial minigames ask only light timing
Even - both lean on reads about the same.
Super Danganronpa Another 2 ~The Moon of Hope and Sun of Despair~ leans harder on variance: Whodunit information is hidden until each trial reveals it
999: Nine Hours, Nine Persons, Nine Doors leans harder on optimization: Escape-room puzzles and route flowchart are fully solvable
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.