Building comparison
head to head
Prey (2017)vsUndertale
Neither is meaningfully harder - they pose close to the same test. The widest gap is variance, and it is a single point.
Prey (2017)
Optimization · Pure Optimization
Immersive sim aboard Talos I where build and route choices dominate.
Undertale
Optimization · Pure Optimization
A scripted RPG where pattern-learning and pacifist routing carry you.
Prey (2017) leans Optimization (Pure Optimization); Undertale leans Optimization (Pure Optimization).
Prey (2017)Undertale
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.
Prey (2017)
Wrench and Gloo timing modest.
Undertale
Bullet-hell dodging in scripted patterns
Reads1 vs 1
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Prey (2017)
Typhon AI scripted, not adaptive.
Undertale
NPCs follow fixed dialogue trees, not adaptive
Variance2 vs 1
Prey (2017) leans a little harder on variance, though the gap is small.
Prey (2017)
Mimics and resource spawns randomized.
Undertale
Minimal randomness in encounters
Optimization8 vs 7
Prey (2017) leans a little harder on optimization, though the gap is small.
Prey (2017)
Neuromods, builds, station routing deeply solvable.
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.