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
The original tomb-crawling platformer, a spatial puzzle solved with careful jumps.
Castlevania: Symphony of the Night leans Optimization (Pure Optimization); Tomb Raider leans Optimization (Practiced Mastery).
Tomb Raider leans a little harder on execution, though the gap is small.
Castlevania: Symphony of the Night
Forgiving action combat
Tomb Raider
Grid-based jumps need deliberate, precise positioning
Castlevania: Symphony of the Night leans a little harder on reads, though the gap is small.
Castlevania: Symphony of the Night
Scripted bosses
Tomb Raider
Wildlife and guardians follow fixed scripts
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Castlevania: Symphony of the Night
Item drops and rare gear
Tomb Raider
First-run trap and secret locations are unknown
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
Tomb Raider
Levels are spatial puzzles with solvable 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.