Building comparison
head to head
Library of RuinavsPortal
Neither is simply harder - they are hard in different places. Library of Ruina demands more variance; Portal demands more execution.
Library of Ruina
Optimization · Pure Optimization
Story-heavy deckbuilder of clashing dice and floor-by-floor library combat.
Portal
Optimization · Pure Optimization
The portal-gun puzzle game whose solutions are everything.
Library of Ruina leans Optimization (Pure Optimization); Portal leans Optimization (Pure Optimization).
Library of RuinaPortal
Axis by axis
Execution1 vs 4
Portal leans clearly harder on execution.
Library of Ruina
Turn-based card combat, no input precision.
Portal
Portal placement timing modest.
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
No adversary modeling player.
Variance5 vs 0
Library of Ruina leans clearly harder on variance.
Library of Ruina
Dice rolls and draws swing fights moderately.
Portal
Deterministic chambers; no randomness.
Optimization9 vs 8
Library of Ruina leans a little harder on optimization, though the gap is small.
Library of Ruina
Deck construction and clash math is deeply solvable.
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.