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

Optimization · Practiced Mastery
Bethesda space RPG with ship and outpost systems.

Optimization · Pure Optimization
A base-building survival game where you pilot a mech, automate defenses, and hold off alien swarms on a hostile planet.
Starfield leans Optimization (Practiced Mastery); The Riftbreaker 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.
Starfield
Shooter and piloting inputs
The Riftbreaker
Mech combat against swarms needs active hands
Starfield leans a little harder on reads, though the gap is small.
Starfield
Scripted NPC AI patterns
The Riftbreaker
Alien waves are programmatic, not adaptive
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Starfield
Procedural planets, loot variance
The Riftbreaker
Wave timing and map resources add some unknowns
The Riftbreaker leans a little harder on optimization, though the gap is small.
Starfield
Ship building, outpost, perk routing
The Riftbreaker
Base layout, tech tree, and defenses dominate survival
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.