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

Optimization · Pure Optimization
Grid-based dungeon crawler about riddles, secret buttons, and square-dancing around monsters.

Optimization · Pure Optimization
A cult-classic vampire RPG won by discipline choice and skill-check routing.
Legend of Grimrock leans Optimization (Pure Optimization); Vampire: The Masquerade - Bloodlines 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.
Legend of Grimrock
Real-time grid strafing around slow monsters
Vampire: The Masquerade - Bloodlines
Janky hybrid combat, low demand
Vampire: The Masquerade - Bloodlines leans a little harder on reads, though the gap is small.
Legend of Grimrock
Monsters chase on simple fixed logic
Vampire: The Masquerade - Bloodlines
Scripted NPCs
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Legend of Grimrock
Secrets hidden until found, then fixed
Vampire: The Masquerade - Bloodlines
Hidden dice under skill checks
Legend of Grimrock leans a little harder on optimization, though the gap is small.
Legend of Grimrock
Party builds, riddles, and pressure-plate puzzles dominate
Vampire: The Masquerade - Bloodlines
Discipline, feeding, build routing central
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.