head to head
vs
Mega Man Powered UpvsMetal Slug
Mega Man Powered Up leans Execution (Practiced Mastery); Metal Slug leans Execution (Practiced Mastery).
Mega Man Powered UpMetal Slug
Axis by axis
Execution7 vs 8
Metal Slug leans harder on execution: Dodging dense bullet patterns and precise shots carry every credit
Reads0 vs 0
Even - both lean on reads about the same.
Variance0 vs 1
Metal Slug leans harder on variance: Spawns are nearly deterministic once a stage is learned
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.