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 · Pure Optimization
A 2D sandbox where preparation and gear tiering carry boss fights.

Optimization · Pure Optimization
A philosophical JRPG where mech fuel economy, deathblow routing, and ether optimization underpin its scripted encounters.
Terraria leans Optimization (Pure Optimization); Xenogears leans Optimization (Pure Optimization).
Terraria leans a little harder on execution, though the gap is small.
Terraria
Boss fights require dodging and aim under pressure.
Xenogears
Gear AP combos and deathblow inputs require some sequence awareness
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Terraria
Bosses use scripted attacks; no adaptation.
Xenogears
All enemies scripted; no adaptive AI
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Terraria
World seeds and loot drops randomized.
Xenogears
Random encounter rate and minor gear fuel variance present
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Terraria
Gear progression and arena prep solve every boss.
Xenogears
Deathblow combos, Gear fuel economy, and ether investment are solvable systems
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.