head to head
vs
FaxanaduvsUndertale
Faxanadu leans Optimization (Practiced Mastery); Undertale leans Optimization (Pure Optimization).
FaxanaduUndertale
Axis by axis
Execution5 vs 4
Faxanadu leans harder on execution: Stiff NES melee and jump timing
Reads1 vs 1
Even - both lean on reads about the same.
Variance2 vs 1
Faxanadu leans harder on variance: Cryptic progression unknowable without exploration or guides
Optimization7 vs 7
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.