head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Optimization · Pure Optimization
Tests deductive puzzle-solving through fixed adventure-game logic chains.

Optimization · Pure Optimization
An open-ended needs-and-money system that rewards efficient scheduling.
Secrets of the Ark: A Broken Sword Game leans Optimization (Pure Optimization); The Sims 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.
Secrets of the Ark: A Broken Sword Game
Point-and-click input with generous action timers
The Sims
Clicking menus has no physical ceiling
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Secrets of the Ark: A Broken Sword Game
No opponent of any kind to predict
The Sims
Sims run need-driven scripts, not minds
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Secrets of the Ark: A Broken Sword Game
Puzzle solutions are hidden information until discovered
The Sims
Event rolls add flavour, all quickly mapped
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Secrets of the Ark: A Broken Sword Game
Every puzzle has one fixed solvable answer
The Sims
Need scheduling, career grinding and money loops 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.