head to head
vs
Battle CityvsHammerfight
Battle City leans Execution (Pure Mechanics); Hammerfight leans Execution (Pure Mechanics).
Battle CityHammerfight
Axis by axis
Execution7 vs 8
Hammerfight leans harder on execution: Mouse-swung physics weapons demand genuine motor mastery
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.