Building comparison
head to head
The Legend of Zelda: Spirit TracksvsUndertale
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, and it is a single point.
The Legend of Zelda: Spirit Tracks
Optimization · Pure Optimization
A touch-controlled DS Zelda about puzzling through dungeons and driving a train across Hyrule.
Undertale
Optimization · Pure Optimization
A scripted RPG where pattern-learning and pacifist routing carry you.
The Legend of Zelda: Spirit Tracks leans Optimization (Pure Optimization); Undertale leans Optimization (Pure Optimization).
The Legend of Zelda: Spirit TracksUndertale
Axis by axis
Execution4 vs 4
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
The Legend of Zelda: Spirit Tracks
Stylus combat and flute playing are forgiving
Undertale
Bullet-hell dodging in scripted patterns
Reads0 vs 1
Undertale leans a little harder on reads, though the gap is small.
The Legend of Zelda: Spirit Tracks
Phantoms patrol on fixed rules
Undertale
NPCs follow fixed dialogue trees, not adaptive
Variance2 vs 1
The Legend of Zelda: Spirit Tracks leans a little harder on variance, though the gap is small.
The Legend of Zelda: Spirit Tracks
Unknown layouts only until explored
Undertale
Minimal randomness in encounters
Optimization7 vs 7
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
The Legend of Zelda: Spirit Tracks
Rail routing and tower puzzles are the core
Undertale
Learning fixed boss patterns and mercy routes wins
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.