head to head
MonopolyvsReigns
Monopoly leans Variance (Systems & Chaos); Reigns leans Variance (Systems & Chaos).
MonopolyReigns
Axis by axis
Execution0 vs 1
Reigns leans harder on execution: Swiping cards left or right has no skill dimension
Reads3 vs 2
Monopoly leans harder on reads: Trade negotiation against humans rewards judging their desperation
Variance7 vs 7
Even - both lean on variance about the same.
Optimization5 vs 5
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

