Building comparison
head to head
Portal 2vsThe Lord of the Rings Online
Neither is simply harder - they are hard in different places. Portal 2 demands more optimization; The Lord of the Rings Online demands more variance.
Portal 2
Optimization · Pure Optimization
A first-person puzzle game where seeing the solution is the whole skill.
The Lord of the Rings Online
Optimization · Pure Optimization
A lore-faithful MMORPG where trait tree builds and fellowship coordination decide raid performance.
Portal 2 leans Optimization (Pure Optimization); The Lord of the Rings Online leans Optimization (Pure Optimization).
Portal 2The Lord of the Rings Online
Axis by axis
Execution3 vs 4
The Lord of the Rings Online leans a little harder on execution, though the gap is small.
Portal 2
Portal placement requires some precision but timing is lenient.
The Lord of the Rings Online
Raid content has limited twitch demand versus action MMOs
Reads0 vs 2
The Lord of the Rings Online leans clearly harder on reads.
Portal 2
No opponent; puzzles are static.
The Lord of the Rings Online
Mostly PvMP monster play; rarely the main loop
Variance0 vs 3
The Lord of the Rings Online leans clearly harder on variance.
Portal 2
Puzzles are deterministic with no randomness.
The Lord of the Rings Online
Loot RNG and deed completion add minor hidden layers
Optimization9 vs 7
Portal 2 leans clearly harder on optimization.
Portal 2
Solving the puzzle's logic IS the entire game.
The Lord of the Rings Online
Trait trees and fellowship manoeuvres are systematically optimised
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.