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
Base-building strategy game about optimizing upgrade economy and raid compositions.

Optimization · Pure Optimization
A turn-based tactics game with Mario and Rabbid characters.
Clash of Clans leans Optimization (Pure Optimization); Mario + Rabbids Sparks of Hope leans Optimization (Pure Optimization).
Mario + Rabbids Sparks of Hope leans a little harder on execution, though the gap is small.
Clash of Clans
Troop drop placement is forgiving
Mario + Rabbids Sparks of Hope
Menu-driven actions, light aim
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Clash of Clans
Base layouts anticipate human attackers' habits
Mario + Rabbids Sparks of Hope
Some AI positioning to anticipate
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Clash of Clans
Matchmaking and unseen traps add uncertainty
Mario + Rabbids Sparks of Hope
Hit chances and spark draws
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Clash of Clans
Army comps, upgrade paths, and attack routing
Mario + Rabbids Sparks of Hope
Team comp, spark synergy, positioning
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.