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.

Execution · Practiced Mastery
Strategic dismemberment under resource pressure, solved by upgrade planning and practiced limb-aiming.

Execution · Practiced Mastery
Neon top-down massacre where each floor is a one-mistake execution puzzle.
Dead Space (2008) leans Execution (Practiced Mastery); Hotline Miami leans Execution (Practiced Mastery).
Hotline Miami leans a little harder on execution, though the gap is small.
Dead Space (2008)
Precise limb-targeting under Necromorph pressure is the core skill
Hotline Miami
One-hit-death rooms demand flawless fast inputs
Dead Space (2008) leans a little harder on reads, though the gap is small.
Dead Space (2008)
Necromorphs follow fixed approach patterns, not player modelling
Hotline Miami
Enemies are dumb scripted reactors
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Dead Space (2008)
Store stock is deterministic; minor drop variance on kills
Hotline Miami
Slight enemy behavior wobble between restarts
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Dead Space (2008)
Weapon upgrading, power-node routing and stasis timing are optimisable
Hotline Miami
Route planning and mask choice per floor
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.