head to head
vs
Deus Ex: The FallvsUndertale
Deus Ex: The Fall leans Optimization (Pure Optimization); Undertale leans Optimization (Pure Optimization).
Deus Ex: The FallUndertale
Axis by axis
Execution3 vs 4
Undertale leans harder on execution: Bullet-hell dodging in scripted patterns
Reads1 vs 1
Even - both lean on reads about the same.
Variance2 vs 1
Deus Ex: The Fall leans harder on variance: Compact levels hide little.
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.