Building comparison
head to head
Katana ZEROvsMetal Slug X
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.
Katana ZERO
Execution · Practiced Mastery
A neo-noir one-hit-kill action platformer about planning and replaying perfect assassinations.
Metal Slug X
Execution · Practiced Mastery
Memorising enemy spawns then executing pixel-precise dodges for the one-credit clear.
Katana ZERO leans Execution (Practiced Mastery); Metal Slug X leans Execution (Practiced Mastery).
Katana ZEROMetal Slug X
Axis by axis
Execution8 vs 8
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Katana ZERO
One-hit-death slashing and deflects demand precision
Metal Slug X
Dodging dense bullet patterns demands precise reflexes
Reads0 vs 0
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Katana ZERO
Enemies follow fixed placements and behaviours
Metal Slug X
Every enemy wave is a fixed memorisable script
Variance1 vs 1
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Katana ZERO
Rooms are identical on every attempt
Metal Slug X
Nothing meaningful is random once routes are learned
Optimization6 vs 6
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Katana ZERO
Planning the perfect room-clear sequence
Metal Slug X
One-credit clears come from memorising spawns and weapon routes
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.