head to head
vs
Box Boy! + Box Girl!vsCastlevania: Harmony of Dissonance
Box Boy! + Box Girl! leans Optimization (Pure Optimization); Castlevania: Harmony of Dissonance leans Optimization (Pure Optimization).
Box Boy! + Box Girl!Castlevania: Harmony of Dissonance
Axis by axis
Execution3 vs 4
Castlevania: Harmony of Dissonance leans harder on execution: Fast dashes make combat forgiving.
Reads0 vs 0
Even - both lean on reads about the same.
Variance1 vs 1
Even - both lean on variance about the same.
Optimization8 vs 7
Box Boy! + Box Girl! leans harder on optimization: Devising the right box shape per puzzle is the entire test
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.