head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Optimization · Pure Optimization
A chilly detective adventure investigating a deserted 1970s Quebec village locked in supernatural ice.

Optimization · Pure Optimization
Uncovering a fixed murder mystery through inventory puzzles and deduction.
Kona leans Optimization (Pure Optimization); Still Life 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.
Kona
Walking, driving, and light survival upkeep
Still Life
Pointing and clicking carries no physical demand
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Kona
No opposition to outwit
Still Life
The killer is a fixed narrative, not an adapting opponent
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Kona
Mystery clues unknown until uncovered
Still Life
The mystery's facts are hidden until uncovered
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Kona
Investigation order and survival management are solvable
Still Life
Inventory puzzles and deduction steps have fixed solutions
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.