head to head
vs
Serious Sam: The First EncountervsXeno Crisis
Serious Sam: The First Encounter leans Execution (Pure Mechanics); Xeno Crisis leans Execution (Pure Mechanics).
Serious Sam: The First EncounterXeno Crisis
Axis by axis
Execution8 vs 8
Even - both lean on execution about the same.
Reads0 vs 0
Even - both lean on reads about the same.
Variance2 vs 3
Xeno Crisis leans harder on variance: Room order randomises each run, contents stay mappable
Optimization4 vs 4
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.