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

Optimization · Systems & Chaos
A horror adventure testing careful flag-tracking to dodge scripted bad endings.

Optimization · Pure Optimization
A psychological horror RPG where a shut-in's dream world slowly cracks around a buried truth.
Corpse Party: Blood Drive leans Optimization (Systems & Chaos); Omori leans Optimization (Pure Optimization).
Corpse Party: Blood Drive leans a little harder on execution, though the gap is small.
Corpse Party: Blood Drive
Light chase-evasion sequences barely tax the hands
Omori
Turn-based menus, no dexterity needed
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Corpse Party: Blood Drive
Ghosts follow scripted horror triggers
Omori
Scripted encounters throughout
Corpse Party: Blood Drive leans a little harder on variance, though the gap is small.
Corpse Party: Blood Drive
Wrong-end triggers are hidden until discovered
Omori
Minor drop and emotion randomness
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Corpse Party: Blood Drive
Mapping flag conditions for true endings is the game
Omori
Emotion triangle and follow-ups are easily 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.