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 first-person farming game about wrangling adorable slimes for plorts.

Optimization · Pure Optimization
A tower-defense game mixing snowball action with scripted-wave strategy.
Slime Rancher leans Optimization (Pure Optimization); South Park Let's Go Tower Defense Play! leans Optimization (Pure Optimization).
South Park Let's Go Tower Defense Play! leans a little harder on execution, though the gap is small.
Slime Rancher
Vacuum aiming is gentle.
South Park Let's Go Tower Defense Play!
Snowball aiming adds light action demands
South Park Let's Go Tower Defense Play! leans a little harder on reads, though the gap is small.
Slime Rancher
Slimes follow scripted behaviors.
South Park Let's Go Tower Defense Play!
Enemy waves are scripted, no adaptive opponent
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Slime Rancher
Plort prices and slime spawns vary.
South Park Let's Go Tower Defense Play!
Wave order unknown first time, then fixed
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Slime Rancher
Ranch layout and economy reward planning.
South Park Let's Go Tower Defense Play!
Tower placement and resource management solve each map
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.