head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Optimization · Pure Optimization
The genre-defining metroidvania with deep RPG systems.

Optimization · Practiced Mastery
A lo-fi survival horror game where strict inventory limits and puzzle knowledge define the mastery curve.
Castlevania: Symphony of the Night leans Optimization (Pure Optimization); Signalis leans Optimization (Practiced Mastery).
Signalis leans a little harder on execution, though the gap is small.
Castlevania: Symphony of the Night
Forgiving action combat
Signalis
Careful aim and kiting in limited inventory combat matter
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Castlevania: Symphony of the Night
Scripted bosses
Signalis
Replika AI follows aggressive scripted loops, not player modelling
Signalis leans a little harder on variance, though the gap is small.
Castlevania: Symphony of the Night
Item drops and rare gear
Signalis
Enemy respawn timing and some item locations add limited uncertainty
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Castlevania: Symphony of the Night
Build crafting and sequence breaks
Signalis
Inventory management, puzzle solutions and route planning are central
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.