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.

Execution · Pure Mechanics
A demolition racing game where causing crashes scores points and your own car degrades realistically.

Execution · Practiced Mastery
A kart racer with an adventure structure and three vehicle types, lighter on item chaos than its rivals.
Destruction Derby 2 leans Execution (Pure Mechanics); Diddy Kong Racing leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Destruction Derby 2
Surviving and steering through wreck-strewn packs takes skill.
Diddy Kong Racing
Drift boosts across car, hovercraft and plane demand precision.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Destruction Derby 2
AI drivers crash by script, not adaptation.
Diddy Kong Racing
Multiplayer item duels add mild prediction; AI is scripted.
Destruction Derby 2 leans a little harder on variance, though the gap is small.
Destruction Derby 2
Pile-ups and damage cascades are highly unpredictable.
Diddy Kong Racing
Balloon pickups and items inject moderate randomness.
Diddy Kong Racing leans a little harder on optimization, though the gap is small.
Destruction Derby 2
Targeting hits for points and protecting the radiator is learnable.
Diddy Kong Racing
Vehicle choice, balloon upgrade routes and boss strategies converge.
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.