Building comparison
head to head
Castlevania: Harmony of DissonancevsFallout: New Vegas
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, and it is a single point.
Castlevania: Harmony of Dissonance
Optimization · Pure Optimization
A speedy GBA metroidvania that doubles its castle into two mirrored layouts to untangle.
Fallout: New Vegas
Optimization · Pure Optimization
A faction-driven RPG-shooter where build and route planning shape every ending.
Castlevania: Harmony of Dissonance leans Optimization (Pure Optimization); Fallout: New Vegas leans Optimization (Pure Optimization).
Castlevania: Harmony of DissonanceFallout: New Vegas
Axis by axis
Execution4 vs 4
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Castlevania: Harmony of Dissonance
Fast dashes make combat forgiving.
Fallout: New Vegas
Shooter inputs with VATS assist
Reads0 vs 1
Fallout: New Vegas leans a little harder on reads, though the gap is small.
Castlevania: Harmony of Dissonance
Scripted enemies and bosses.
Fallout: New Vegas
Scripted factions and enemies
Variance1 vs 2
Fallout: New Vegas leans a little harder on variance, though the gap is small.
Castlevania: Harmony of Dissonance
Minor relic and drop luck.
Fallout: New Vegas
Some loot and crit RNG
Optimization7 vs 8
Fallout: New Vegas leans a little harder on optimization, though the gap is small.
Castlevania: Harmony of Dissonance
Twin-castle navigation and spellbook combos carry it.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
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.