head to head
vs
Earth Defense Force: Iron RainvsHalf-Life
Earth Defense Force: Iron Rain leans Optimization (Practiced Mastery); Half-Life leans Execution (Practiced Mastery).
Earth Defense Force: Iron RainHalf-Life
Axis by axis
Execution5 vs 6
Half-Life leans harder on execution: Combat aim and infamous platforming sections
Reads0 vs 0
Even - both lean on reads about the same.
Variance2 vs 2
Even - both lean on variance about the same.
Optimization6 vs 6
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.