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

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

Optimization · Pure Optimization
Optimising tower placement, research and economy against scripted alien waves.
Final Fantasy XIII-2 leans Optimization (Pure Optimization); Revenge of the Titans 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.
Revenge of the Titans
Mid-wave building rewards speed but never twitch-defines outcomes
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.
Revenge of the Titans
Titan waves follow set paths without adapting
Final Fantasy XIII-2 leans a little harder on variance, though the gap is small.
Final Fantasy XIII-2
Monster drops and timeline secrets until catalogued.
Revenge of the Titans
Wave compositions are unknown on a first campaign run
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.
Revenge of the Titans
Tech choices, placement and economy are the whole game
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.