head to head
vs
Geometry Wars: Retro Evolved 2vsSerious Sam: The First Encounter
Geometry Wars: Retro Evolved 2 leans Execution (Pure Mechanics); Serious Sam: The First Encounter leans Execution (Pure Mechanics).
Geometry Wars: Retro Evolved 2Serious Sam: The First Encounter
Axis by axis
Execution9 vs 8
Geometry Wars: Retro Evolved 2 leans harder on execution: Twin-stick dodging in dense swarms is the core test
Reads0 vs 0
Even - both lean on reads about the same.
Variance2 vs 2
Even - both lean on variance about the same.
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.