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

Optimization · Light / Casual
A classic point-and-click adventure where solving inventory puzzles is the entire challenge.

Optimization · Light / Casual
A meditative picture-book stroll with pressure-free terrain puzzles.
Grim Fandango Remastered leans Optimization (Light / Casual); Old Man's Journey leans Optimization (Light / Casual).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Grim Fandango Remastered
no physical skill ceiling, point-and-click
Old Man's Journey
Dragging hills around requires no dexterity
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Grim Fandango Remastered
no opponents, puzzle-driven
Old Man's Journey
No opponent exists
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Grim Fandango Remastered
no meaningful randomness
Old Man's Journey
Nothing meaningfully hidden or random
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Grim Fandango Remastered
item and dialogue puzzle logic solvable
Old Man's Journey
Gentle terrain puzzles with obvious 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.