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.

Execution · Practiced Mastery
A kart racer with an adventure structure and three vehicle types, lighter on item chaos than its rivals.

Execution · Practiced Mastery
Tests kart-racing line execution across three vehicle types with item luck on top.
Diddy Kong Racing leans Execution (Practiced Mastery); Diddy Kong Racing DS leans Execution (Practiced Mastery).
Diddy Kong Racing leans a little harder on execution, though the gap is small.
Diddy Kong Racing
Drift boosts across car, hovercraft and plane demand precision.
Diddy Kong Racing DS
Drift boosting across car, hover and plane handling
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Diddy Kong Racing
Multiplayer item duels add mild prediction; AI is scripted.
Diddy Kong Racing DS
AI rivals are scripted; multiplayer prediction stays shallow
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Diddy Kong Racing
Balloon pickups and items inject moderate randomness.
Diddy Kong Racing DS
Balloon item pickups swing race positions
Diddy Kong Racing leans a little harder on optimization, though the gap is small.
Diddy Kong Racing
Vehicle choice, balloon upgrade routes and boss strategies converge.
Diddy Kong Racing DS
Zipper routes and vehicle choice per track are learnable
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.