head to head
vs
ObservationvsSpiritfarer
Observation leans Optimization (Pure Optimization); Spiritfarer leans Optimization (Pure Optimization).
ObservationSpiritfarer
Axis by axis
Execution2 vs 2
Even - both lean on execution about the same.
Reads0 vs 0
Even - both lean on reads about the same.
Variance2 vs 1
Observation leans harder on variance: Mystery unknown until uncovered
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.