head to head
vs
Bullet SoulvsMetal Slug 4
Bullet Soul leans Execution (Pure Mechanics); Metal Slug 4 leans Execution (Pure Mechanics).
Bullet SoulMetal Slug 4
Axis by axis
Execution9 vs 8
Bullet Soul leans harder on execution: dense bullet dodging demands precise reflexes
Reads1 vs 0
Bullet Soul leans harder on reads: bullet patterns fixed, not adaptive
Variance1 vs 1
Even - both lean on variance about the same.
Optimization5 vs 5
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.