head to head
vs
Metal SlugvsTwinBee
Metal Slug leans Execution (Practiced Mastery); TwinBee leans Execution (Pure Mechanics).
Metal SlugTwinBee
Axis by axis
Execution8 vs 8
Even - both lean on execution about the same.
Reads0 vs 0
Even - both lean on reads about the same.
Variance1 vs 2
TwinBee leans harder on variance: Bell power-up juggling adds small randomness, quickly mapped
Optimization6 vs 5
Metal Slug leans harder on optimization: One-credit clears come from memorising routes and spawn patterns
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.