head to head
vs
Metal SlugvsSonic Generations
Metal Slug leans Execution (Practiced Mastery); Sonic Generations leans Execution (Practiced Mastery).
Metal SlugSonic Generations
Axis by axis
Execution8 vs 7
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.
Variance1 vs 0
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.