head to head
Mario Party 6vsReigns
Mario Party 6 leans Variance (Pure Chaos); Reigns leans Variance (Systems & Chaos).
Mario Party 6Reigns
Axis by axis
Execution4 vs 1
Mario Party 6 leans harder on execution: Day-night minigames test quick hands.
Reads2 vs 2
Even - both lean on reads about the same.
Variance8 vs 7
Mario Party 6 leans harder on variance: Dice, orbs and day-night swings decide boards.
Optimization3 vs 5
Reigns leans harder on optimization: Learning which choice chains balance the four meters is mappable
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

