head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is variance, and it is a single point.

Optimization · Pure Optimization
Dystopian border-checkpoint sim where stamping passports fast enough feeds your family.

Optimization · Pure Optimization
A 2D sandbox where preparation and gear tiering carry boss fights.
Papers, Please leans Optimization (Pure Optimization); Terraria leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Papers, Please
Document-checking speed directly pays the rent
Terraria
Boss fights require dodging and aim under pressure.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Papers, Please
Entrants are generated, not adaptive opponents
Terraria
Bosses use scripted attacks; no adaptation.
Papers, Please leans a little harder on variance, though the gap is small.
Papers, Please
Random entrant documents and scripted-event surprises
Terraria
World seeds and loot drops randomized.
Terraria leans a little harder on optimization, though the gap is small.
Papers, Please
Internalizing rulebooks and inspection workflow efficiency
Terraria
Gear progression and arena prep solve every boss.
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.