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

Optimization · Pure Optimization
Sequel that adds a mother-daughter pair to its impossible-architecture puzzles.

Optimization · Pure Optimization
A zen object-placement game where reading spatial and narrative context determines where each item belongs.
Monument Valley 2 leans Optimization (Pure Optimization); Unpacking 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.
Monument Valley 2
Gentle touch controls, no reflexes
Unpacking
Item placement requires light spatial judgment but no precision
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Monument Valley 2
Nothing opposes you
Unpacking
Solo meditative game with no opponent
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Monument Valley 2
Deterministic authored levels
Unpacking
Item and room combinations are deterministic across playthroughs
Monument Valley 2 leans a little harder on optimization, though the gap is small.
Monument Valley 2
Geometry manipulation puzzles with intended solutions
Unpacking
Understanding acceptable placement rules and story logic guides packing decisions
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.