Building comparison
head to head
Legend of GrimrockvsTerraria
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.
Legend of Grimrock
Optimization · Pure Optimization
Grid-based dungeon crawler about riddles, secret buttons, and square-dancing around monsters.
Terraria
Optimization · Pure Optimization
A 2D sandbox where preparation and gear tiering carry boss fights.
Legend of Grimrock leans Optimization (Pure Optimization); Terraria leans Optimization (Pure Optimization).
Legend of GrimrockTerraria
Axis by axis
Execution3 vs 4
Terraria leans a little harder on execution, though the gap is small.
Legend of Grimrock
Real-time grid strafing around slow monsters
Terraria
Boss fights require dodging and aim under pressure.
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
Terraria
Bosses use scripted attacks; no adaptation.
Variance2 vs 3
Terraria leans a little harder on variance, though the gap is small.
Legend of Grimrock
Secrets hidden until found, then fixed
Terraria
World seeds and loot drops randomized.
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
Terraria
Gear progression and arena prep solve every boss.
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.