head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Optimization · Practiced Mastery
Horror about photographing ghosts at the last possible second inside a recurring dream manor.

Optimization · Practiced Mastery
Building card decks that out-value scripted bosses in real-time battles.
Fatal Frame III: The Tormented leans Optimization (Practiced Mastery); Kingdom Hearts Re:Chain of Memories leans Optimization (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Fatal Frame III: The Tormented
Fatal Frame shutter timing rewards held-nerve precision
Kingdom Hearts Re:Chain of Memories
Real-time card play needs timing but not twitch mastery
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Fatal Frame III: The Tormented
Ghosts attack on scripted patterns
Kingdom Hearts Re:Chain of Memories
Bosses break cards with scripted, learnable values
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Fatal Frame III: The Tormented
Ghost spawns and dream-house layout surprise first run
Kingdom Hearts Re:Chain of Memories
Card draws within your deck vary each fight
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Fatal Frame III: The Tormented
Camera upgrades and ghost patterns fully converge
Kingdom Hearts Re:Chain of Memories
Deck construction and sleight knowledge dominate outcomes
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.