Building comparison
head to head
Legend of GrimrockvsPortal
Legend of Grimrock asks more than Portal, and the gap is variance.
Legend of Grimrock
Optimization · Pure Optimization
Grid-based dungeon crawler about riddles, secret buttons, and square-dancing around monsters.
Portal
Optimization · Pure Optimization
The portal-gun puzzle game whose solutions are everything.
Legend of Grimrock leans Optimization (Pure Optimization); Portal leans Optimization (Pure Optimization).
Legend of GrimrockPortal
Axis by axis
Execution3 vs 4
Portal leans a little harder on execution, though the gap is small.
Legend of Grimrock
Real-time grid strafing around slow monsters
Portal
Portal placement timing modest.
Reads0 vs 0
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Legend of Grimrock
Monsters chase on simple fixed logic
Portal
No adversary modeling player.
Variance2 vs 0
Legend of Grimrock leans clearly harder on variance.
Legend of Grimrock
Secrets hidden until found, then fixed
Portal
Deterministic chambers; no randomness.
Optimization8 vs 8
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Legend of Grimrock
Party builds, riddles, and pressure-plate puzzles dominate
Portal
Pure puzzle-solving optimization.
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.