Building comparison
head to head
Metal Slug 3vsSuper Mario World
Metal Slug 3 asks more than Super Mario World, and the gap is execution.
Metal Slug 3
Execution · Pure Mechanics
Arcade run-and-gun whose one-credit clears demand total spawn memorization and twitch.
Super Mario World
Execution · Pure Mechanics
Precise jump execution across fixed levels with secrets to memorise.
Metal Slug 3 leans Execution (Pure Mechanics); Super Mario World leans Execution (Pure Mechanics).
Metal Slug 3Super Mario World
Axis by axis
Execution9 vs 7
Metal Slug 3 leans clearly harder on execution.
Metal Slug 3
one-hit deaths demand frame-level dodging and aim
Super Mario World
Perfect inputs trivialise every jump, spin and cape flight
Reads0 vs 0
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Metal Slug 3
every enemy wave is scripted
Super Mario World
Scripted Koopas adapt to nothing
Variance2 vs 1
Metal Slug 3 leans a little harder on variance, though the gap is small.
Metal Slug 3
branching paths vary runs slightly
Super Mario World
Levels are fixed; nothing hidden survives one playthrough
Optimization6 vs 4
Metal Slug 3 leans clearly harder on optimization.
Metal Slug 3
memorizing spawns is the path to a one-credit clear
Super Mario World
Secret exits and route knowledge add a modest solvable layer
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.