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

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

Optimization · Pure Optimization
The foggy psychological horror landmark where dread, puzzles, and exploration outweigh combat skill.
Papers, Please leans Optimization (Pure Optimization); Silent Hill leans Optimization (Pure Optimization).
Papers, Please leans a little harder on execution, though the gap is small.
Papers, Please
Document-checking speed directly pays the rent
Silent Hill
Combat is deliberately clumsy and forgiving
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
Silent Hill
Monsters follow fixed behaviors
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Papers, Please
Random entrant documents and scripted-event surprises
Silent Hill
First-run fog hides layout and puzzle information
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Papers, Please
Internalizing rulebooks and inspection workflow efficiency
Silent Hill
Routes, puzzles, and endings fully converge on replay
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.