head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, and it is a single point.

Optimization · Pure Optimization
A meta deckbuilder where engine-building beats the scripted opponent.

Optimization · Pure Optimization
Story-heavy deckbuilder of clashing dice and floor-by-floor library combat.
Inscryption leans Optimization (Pure Optimization); Library of Ruina leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Inscryption
No reflex demands; turn-based card play.
Library of Ruina
Turn-based card combat, no input precision.
Inscryption leans a little harder on reads, though the gap is small.
Inscryption
Scripted opponents with light bluff moments, not true adaptation.
Library of Ruina
Scripted enemy decks, no adaptive opponent.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Inscryption
Card draws and event choices randomized.
Library of Ruina
Dice rolls and draws swing fights moderately.
Library of Ruina leans a little harder on optimization, though the gap is small.
Inscryption
Deck construction and sacrifice math drive victories.
Library of Ruina
Deck construction and clash math is deeply solvable.
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.