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

Optimization · Pure Optimization
An open-ended needs-and-money system that rewards efficient scheduling.

Optimization · Pure Optimization
The expanded sequel adds desert and arctic piñatas to the garden-ecosystem puzzle.
The Sims leans Optimization (Pure Optimization); Viva Piñata: Trouble in Paradise 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.
The Sims
Clicking menus has no physical ceiling
Viva Piñata: Trouble in Paradise
Same gentle gardening controls
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
The Sims
Sims run need-driven scripts, not minds
Viva Piñata: Trouble in Paradise
Creature behavior is rule-based, not adaptive
Viva Piñata: Trouble in Paradise leans a little harder on variance, though the gap is small.
The Sims
Event rolls add flavour, all quickly mapped
Viva Piñata: Trouble in Paradise
New biome visitors still arrive with some chance
Viva Piñata: Trouble in Paradise leans a little harder on optimization, though the gap is small.
The Sims
Need scheduling, career grinding and money loops are solvable
Viva Piñata: Trouble in Paradise
Expanded species web deepens the requirement-solving game
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.