Building comparison
head to head
Library of RuinavsPortal 2
Neither is simply harder - they are hard in different places. Library of Ruina demands more variance; Portal 2 demands more execution.
Library of Ruina
Optimization · Pure Optimization
Story-heavy deckbuilder of clashing dice and floor-by-floor library combat.
Portal 2
Optimization · Pure Optimization
A first-person puzzle game where seeing the solution is the whole skill.
Library of Ruina leans Optimization (Pure Optimization); Portal 2 leans Optimization (Pure Optimization).
Library of RuinaPortal 2
Axis by axis
Execution1 vs 3
Portal 2 leans clearly harder on execution.
Library of Ruina
Turn-based card combat, no input precision.
Portal 2
Portal placement requires some precision but timing is lenient.
Reads1 vs 0
Library of Ruina leans a little harder on reads, though the gap is small.
Library of Ruina
Scripted enemy decks, no adaptive opponent.
Portal 2
No opponent; puzzles are static.
Variance5 vs 0
Library of Ruina leans clearly harder on variance.
Library of Ruina
Dice rolls and draws swing fights moderately.
Portal 2
Puzzles are deterministic with no randomness.
Optimization9 vs 9
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Library of Ruina
Deck construction and clash math is deeply solvable.
Portal 2
Solving the puzzle's logic IS the entire game.
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.