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 match-three game testing efficient board clearing to fund city-building.

Optimization · Pure Optimization
A first-person farming game about wrangling adorable slimes for plorts.
Cradle of Rome leans Optimization (Pure Optimization); Slime Rancher leans Optimization (Pure Optimization).
Cradle of Rome leans a little harder on execution, though the gap is small.
Cradle of Rome
Light click-speed under timers, never decisive
Slime Rancher
Vacuum aiming is gentle.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Cradle of Rome
Solo match-three, no opponent to model
Slime Rancher
Slimes follow scripted behaviors.
Cradle of Rome leans a little harder on variance, though the gap is small.
Cradle of Rome
Board tile drops are random per move
Slime Rancher
Plort prices and slime spawns vary.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Cradle of Rome
Planning matches to collect resources builds the city
Slime Rancher
Ranch layout and economy reward planning.
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.