head to head
vs
DOOM (2016)vsMetal Slug
DOOM (2016) leans Execution (Pure Mechanics); Metal Slug leans Execution (Practiced Mastery).
DOOM (2016)Metal Slug
Axis by axis
Execution8 vs 8
Even - both lean on execution about the same.
Reads1 vs 0
DOOM (2016) leans harder on reads: Demons scripted attack patterns.
Variance1 vs 1
Even - both lean on variance about the same.
Optimization5 vs 6
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.