head to head
vs
Mega Man 2vsTouhou Luna Nights
Mega Man 2 leans Execution (Practiced Mastery); Touhou Luna Nights leans Execution (Pure Mechanics).
Mega Man 2Touhou Luna Nights
Axis by axis
Execution8 vs 8
Even - both lean on execution about the same.
Reads0 vs 1
Touhou Luna Nights leans harder on reads: Boss patterns are fully scripted danmaku
Variance1 vs 1
Even - both lean on variance about the same.
Optimization6 vs 5
Mega Man 2 leans harder on optimization: weapon-weakness ordering is the classic solve
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.