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

Optimization · Pure Optimization
A time-hopping JRPG sequel built on stagger combos, paradigm switching, and collecting tameable monsters.

Optimization · Pure Optimization
A watercolor tactical RPG mixing turn-based command with real-time aiming.
Final Fantasy XIII-2 leans Optimization (Pure Optimization); Valkyria Chronicles 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.
Final Fantasy XIII-2
Real-time paradigm shifts and QTEs need modest timing.
Valkyria Chronicles
Manual third-person aiming inside turns helps
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Final Fantasy XIII-2
Boss behaviours are scripted and learnable.
Valkyria Chronicles
Enemy AI is scripted and exploitable
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Final Fantasy XIII-2
Monster drops and timeline secrets until catalogued.
Valkyria Chronicles
Accuracy rolls and interception fire add noise
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Final Fantasy XIII-2
Paradigm decks, monster builds, and stagger routing are the game.
Valkyria Chronicles
Unit positioning, class use, and turn routing dominate
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.