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 · Practiced Mastery
Dimension-hopping spectacle platformer built on the classic arsenal-upgrade loop.

Optimization · Practiced Mastery
A comedic 2D stealth adventure parodying Metal Gear, built on learnable patrols and puzzles.
Ratchet & Clank: Rift Apart leans Optimization (Practiced Mastery); UnMetal leans Optimization (Practiced Mastery).
Ratchet & Clank: Rift Apart leans a little harder on execution, though the gap is small.
Ratchet & Clank: Rift Apart
Dodging, rift-tether mobility, and weapon aim.
UnMetal
Light stealth timing and boss dodging
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Ratchet & Clank: Rift Apart
Scripted enemies and setpieces only.
UnMetal
Guards follow fixed patrol scripts
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Ratchet & Clank: Rift Apart
Unknown encounters on first run.
UnMetal
Some unknown-first-time gags, mapped on replay
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Ratchet & Clank: Rift Apart
Weapon leveling and bolt economy reward planned play.
UnMetal
Routes, item puzzles, and scripted bosses are 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.