Building comparison
head to head
Castlevania III: Dracula's CursevsCuphead
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.
Castlevania III: Dracula's Curse
Execution · Pure Mechanics
The hardest NES Castlevania, with branching routes and switchable partner characters.
Cuphead
Execution · Pure Mechanics
A run-and-gun boss rush about dodging scripted patterns with tight inputs.
Castlevania III: Dracula's Curse leans Execution (Pure Mechanics); Cuphead leans Execution (Pure Mechanics).
Castlevania III: Dracula's CurseCuphead
Axis by axis
Execution9 vs 9
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Castlevania III: Dracula's Curse
Brutal platforming and tight whip timing throughout
Cuphead
Tight dodging and parry timing decide every boss.
Reads0 vs 0
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Castlevania III: Dracula's Curse
Scripted enemies and bosses only
Cuphead
Bosses cycle scripted phases; no adaptation to player.
Variance1 vs 1
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Castlevania III: Dracula's Curse
Minor enemy spawn wobble
Cuphead
Minor attack-order shuffling between phases.
Optimization6 vs 6
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Castlevania III: Dracula's Curse
Partner choice, route branching, pattern memory
Cuphead
Loadouts and boss phase order are fully learnable.
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.